From nobody@FreeBSD.org Mon Sep 28 08:56:50 2009 Return-Path: Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5E18D106566C for ; Mon, 28 Sep 2009 08:56:50 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 4741A8FC12 for ; Mon, 28 Sep 2009 08:56:50 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id n8S8unb0071085 for ; Mon, 28 Sep 2009 08:56:49 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id n8S8undZ071084; Mon, 28 Sep 2009 08:56:49 GMT (envelope-from nobody) Message-Id: <200909280856.n8S8undZ071084@www.freebsd.org> Date: Mon, 28 Sep 2009 08:56:49 GMT From: Nikolai Saoukh To: freebsd-gnats-submit@FreeBSD.org Subject: DHCP server replies rejected, ARP entry lost before max_age X-Send-Pr-Version: www-3.1 X-GNATS-Notify: >Number: 139204 >Category: kern >Synopsis: [arp] DHCP server replies rejected, ARP entry lost before max_age >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-net >State: patched >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Sep 28 09:00:11 UTC 2009 >Closed-Date: >Last-Modified: Sat Mar 12 17:39:39 EST 2011 >Originator: Nikolai Saoukh >Release: 8.0-RC1 >Organization: >Environment: FreeBSD Hell.otdel-1.org 8.0-RC1 FreeBSD 8.0-RC1 #1: Sat Sep 26 19:03:52 MSD 2009 nms@otdel-1.org:/usr/obj/usr/src/sys/HELL i386 >Description: Dhclient is unable to renew the lease. Inspection with tcpdump tcpdump -i fxp0 -s 0 -vvvv -n -l host 192.168.254.254 revealed that dhcp server replies were rejected (udp port xxxx unreachable). Tcpdump log also shows unexpected arp requests (more often the max_age). The tcpdump log is in attachment. >How-To-Repeat: For interface with DHCP set in /etc/dhclient.conf interface "fxp0" { send dhcp-lease-time 600; } just to save wait time and watch. >Fix: none Patch attached with submission follows: 12:31:27.189717 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46 12:31:27.189746 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28 12:31:32.360981 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:31:32.362066 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:32.363174 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:31:32.364324 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:31:32.365544 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:32.366649 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:31:32.368011 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:31:32.369236 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:32.370279 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:31:32.371234 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:31:52.372127 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:31:52.373479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:52.375042 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:31:52.376780 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:31:52.378543 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:52.380356 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:31:52.382256 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:31:52.384259 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:31:52.385643 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:31:52.387353 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:32:12.382450 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:32:12.383530 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:12.384630 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:32:12.385789 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:32:12.386994 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:12.388095 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:32:12.389266 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:32:12.390472 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:12.391497 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:32:12.392479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:32:30.101619 IP (tos 0x0, ttl 64, id 53471, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.68: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 274, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 275 RB Option 59, length 4: 500 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:32:30.101666 IP (tos 0x0, ttl 64, id 5721, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 68 unreachable, length 36 IP (tos 0x0, ttl 64, id 53471, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.68: [|bootp] 12:32:32.393275 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:32:32.394359 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:32.395458 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:32:32.396589 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:32:32.398103 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:32.399197 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:32:32.400321 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:32:32.401639 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:32.403322 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:32:32.404291 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:32:35.092185 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46 12:32:35.092211 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28 12:32:51.403469 IP (tos 0xc0, ttl 1, id 24463, offset 0, flags [none], proto IGMP (2), length 28) 192.168.254.254 > 224.0.0.1: igmp query v2 12:32:52.404186 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:32:52.405275 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:52.406380 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:32:52.407489 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:32:52.408646 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:52.409744 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:32:52.410735 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:32:52.411728 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:32:52.413034 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:32:52.414330 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:33:00.373480 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA)) 192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2 12:33:12.414835 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:33:12.415915 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:12.417013 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:33:12.418167 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:33:12.419393 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:12.420494 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:33:12.421663 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:33:12.422885 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:12.423949 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:33:12.424914 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:33:32.425406 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:33:32.426482 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:32.427581 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:33:32.428737 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:33:32.429951 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:32.431052 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:33:32.432221 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:33:32.433428 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:32.434453 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:33:32.435431 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:33:52.436143 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:33:52.437220 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:52.438320 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:33:52.439480 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:33:52.440689 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:52.441782 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:33:52.442948 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:33:52.444167 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:33:52.445184 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:33:52.446220 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:34:12.446879 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:34:12.447957 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:12.449055 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:34:12.450206 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:34:12.451423 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:12.452521 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:34:12.453691 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:34:12.454919 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:12.455949 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:34:12.456936 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:34:32.457577 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:34:32.458652 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:32.459753 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:34:32.460910 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:34:32.462120 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:32.463218 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:34:32.464385 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:34:32.465614 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:32.466630 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:34:32.467681 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:34:52.468397 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:34:52.469471 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:52.470576 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:34:52.471721 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:34:52.472932 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:52.474040 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:34:52.475206 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:34:52.476436 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:34:52.477466 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:34:52.478479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:34:56.479014 IP (tos 0xc0, ttl 1, id 24464, offset 0, flags [none], proto IGMP (2), length 28) 192.168.254.254 > 224.0.0.1: igmp query v2 12:34:57.867786 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA)) 192.168.254.254 > 239.255.255.250: igmp v2 report 239.255.255.250 12:34:59.857859 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA)) 192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2 12:35:12.479087 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:35:12.480164 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:12.481262 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:35:12.482419 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:35:12.483629 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:12.484728 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:35:12.485903 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:35:12.487131 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:12.488161 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:35:12.489660 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:35:32.489900 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:35:32.490986 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:32.493439 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:35:32.494644 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:35:32.495804 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:32.497015 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:35:32.498166 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:35:32.499428 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:32.500440 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:35:32.501635 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:35:52.500590 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:35:52.501699 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:52.504126 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:35:52.505319 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:35:52.506479 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:52.507688 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:35:52.508830 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:35:52.510110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:35:52.511126 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:35:52.512319 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:36:12.511285 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:36:12.512754 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:12.513867 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:36:12.515097 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:36:12.516254 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:12.517341 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:36:12.518635 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:36:12.519791 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:12.520845 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:36:12.521843 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:36:32.522018 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:36:32.523093 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:32.524196 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:36:32.525354 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:36:32.526565 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:32.527666 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:36:32.528839 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:36:32.530096 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:32.531756 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:36:32.532725 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:36:52.532790 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:36:52.533864 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:52.535543 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:36:52.536854 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:36:52.538018 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:52.539110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:36:52.540357 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:36:52.541587 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:36:52.542749 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:36:52.544051 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:37:01.542779 IP (tos 0xc0, ttl 1, id 24465, offset 0, flags [none], proto IGMP (2), length 28) 192.168.254.254 > 224.0.0.1: igmp query v2 12:37:03.152448 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA)) 192.168.254.254 > 224.0.0.2: igmp v2 report 224.0.0.2 12:37:03.922519 IP (tos 0xc0, ttl 1, id 0, offset 0, flags [DF], proto IGMP (2), length 32, options (RA)) 192.168.254.254 > 239.255.255.250: igmp v2 report 239.255.255.250 12:37:05.135842 IP (tos 0x0, ttl 64, id 5766, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.36294 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:05.142032 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46 12:37:05.142052 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28 12:37:05.142519 IP (tos 0x0, ttl 64, id 53472, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.36294: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 281 RB Option 59, length 4: 506 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:05.142547 IP (tos 0x0, ttl 64, id 5767, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 36294 unreachable, length 36 IP (tos 0x0, ttl 64, id 53472, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.36294: [|bootp] 12:37:09.143794 IP (tos 0x0, ttl 64, id 5771, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.65502 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 4, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:09.149353 IP (tos 0x0, ttl 64, id 53473, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.65502: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 4, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 280 RB Option 59, length 4: 505 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:09.149383 IP (tos 0x0, ttl 64, id 5772, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 65502 unreachable, length 36 IP (tos 0x0, ttl 64, id 53473, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.65502: [|bootp] 12:37:12.543487 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:37:12.544521 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:12.545621 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:37:12.546773 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:37:12.547989 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:12.549088 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:37:12.550259 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:37:12.551476 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:12.552503 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:37:12.553507 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:37:20.151729 IP (tos 0x0, ttl 64, id 5780, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.46821 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 15, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:20.159215 IP (tos 0x0, ttl 64, id 53474, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.46821: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 15, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 278 RB Option 59, length 4: 503 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:20.159249 IP (tos 0x0, ttl 64, id 5781, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 46821 unreachable, length 36 IP (tos 0x0, ttl 64, id 53474, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.46821: [|bootp] 12:37:27.159680 IP (tos 0x0, ttl 64, id 5785, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.48276 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 22, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:27.165351 IP (tos 0x0, ttl 64, id 53475, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.48276: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 22, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 263 RB Option 59, length 4: 488 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:27.165385 IP (tos 0x0, ttl 64, id 5786, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 48276 unreachable, length 36 IP (tos 0x0, ttl 64, id 53475, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.48276: [|bootp] 12:37:32.554198 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:37:32.555282 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:32.556379 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:37:32.557538 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:37:32.558753 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:32.559847 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:37:32.561015 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:37:32.562240 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:32.563256 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:37:32.564236 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:37:49.167544 IP (tos 0x0, ttl 64, id 5792, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.53846 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 44, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:49.173118 IP (tos 0x0, ttl 64, id 53476, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.53846: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 44, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 279 RB Option 59, length 4: 504 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:49.173150 IP (tos 0x0, ttl 64, id 5793, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 53846 unreachable, length 36 IP (tos 0x0, ttl 64, id 53476, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.53846: [|bootp] 12:37:52.564979 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:37:52.566062 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:52.567158 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:37:52.568315 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:37:52.569527 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:52.570629 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:37:52.571801 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:37:52.573035 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:37:52.574062 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:37:52.575075 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:37:56.175501 IP (tos 0x0, ttl 64, id 5801, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.31133 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 51, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:37:56.181071 IP (tos 0x0, ttl 64, id 53477, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.31133: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 51, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 274 RB Option 59, length 4: 499 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:37:56.181103 IP (tos 0x0, ttl 64, id 5802, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 31133 unreachable, length 36 IP (tos 0x0, ttl 64, id 53477, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.31133: [|bootp] 12:38:01.174155 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.254.213 tell 192.168.254.254, length 46 12:38:01.174183 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.254.213 is-at 00:0c:f1:6b:45:37, length 28 12:38:12.575750 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 335) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 307 12:38:12.576996 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:38:12.578095 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 407) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 379 12:38:12.580149 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 399) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 371 12:38:12.582264 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:38:12.583407 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 383) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 355 12:38:12.584654 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 415) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 387 12:38:12.585836 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 344) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 316 12:38:12.586811 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 403) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 375 12:38:12.588110 IP (tos 0x0, ttl 4, id 0, offset 0, flags [DF], proto UDP (17), length 397) 192.168.254.254.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 369 12:38:17.183378 IP (tos 0x0, ttl 64, id 5809, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.213.51209 > 192.168.254.254.67: [udp sum ok] BOOTP/DHCP, Request from 00:0c:f1:6b:45:37, length 300, xid 0xa1b8ce4b, secs 72, Flags [none] (0x0000) Client-IP 192.168.254.213 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Lease-Time Option 51, length 4: 600 Client-ID Option 61, length 7: ether 00:0c:f1:6b:45:37 Hostname Option 12, length 4: "Hell" Parameter-Request Option 55, length 8: Subnet-Mask, BR, Time-Zone, Classless-Static-Route Default-Gateway, Domain-Name, Domain-Name-Server, Hostname END Option 255, length 0 PAD Option 0, length 0, occurs 25 12:38:17.189244 IP (tos 0x0, ttl 64, id 53478, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.51209: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0xa1b8ce4b, secs 72, Flags [none] (0x0000) Client-IP 192.168.254.213 Your-IP 192.168.254.213 Server-IP 192.168.254.254 Client-Ethernet-Address 00:0c:f1:6b:45:37 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: ACK Server-ID Option 54, length 4: 192.168.254.254 Lease-Time Option 51, length 4: 600 RN Option 58, length 4: 273 RB Option 59, length 4: 498 Subnet-Mask Option 1, length 4: 255.255.255.0 BR Option 28, length 4: 192.168.254.255 Default-Gateway Option 3, length 4: 192.168.254.254 Domain-Name-Server Option 6, length 4: 192.168.254.254 Hostname Option 12, length 4: "Hell" END Option 255, length 0 PAD Option 0, length 0, occurs 2 12:38:17.189277 IP (tos 0x0, ttl 64, id 5810, offset 0, flags [none], proto ICMP (1), length 56) 192.168.254.213 > 192.168.254.254: ICMP 192.168.254.213 udp port 51209 unreachable, length 36 IP (tos 0x0, ttl 64, id 53478, offset 0, flags [none], proto UDP (17), length 328) 192.168.254.254.67 > 192.168.254.213.51209: [|bootp] >Release-Note: >Audit-Trail: Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Wed Sep 30 16:11:04 UTC 2009 Responsible-Changed-Why: I'm going to make a guess that this is ARP-related, based on a comment in the PR. http://www.freebsd.org/cgi/query-pr.cgi?pr=139204 From: Nikolai Saoukh To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/139204: [arp] DHCP server replies rejected, ARP entry lost before max_age Date: Sat, 10 Oct 2009 13:25:46 +0400 > I'm going to make a guess that this is ARP-related, based on a comment > in the PR. After some inspection I think the problem is in /sbin/dhclient. Patch in PR bin/96018 introduced unicast REQUESTs. That requests are sent from random port (not from bootpc (68)), thus defeating bpf filter in dhclient for replies. Moreover when there are two or more interfaces on the same network, that requests can be transmitted from another interface (with different ethernet address). IP packet with the same IP number (but changed ethernet address) confuse ARP machinery. See also PR ports/139405. IMHO, category, severity, ... of this PR should be edited. From: Nikolai Saoukh To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/139204: DHCP server replies rejected, ARP entry lost before max_age Date: Thu, 22 Oct 2009 16:57:52 +0400 Looks like recent changes in CURRENT fixed the problems. This PR can be closed after MFCs. State-Changed-From-To: open->patched State-Changed-By: eadler State-Changed-When: Sat Mar 12 17:39:38 EST 2011 State-Changed-Why: committed in head http://www.freebsd.org/cgi/query-pr.cgi?pr=139204 >Unformatted: