Here is tcpdump output while pinging another linux machine on the network, the output of `ping` is in another attached file: 01:30:24.885979 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:24.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:25.885902 > arp who-has 192.168.1.4 tell 192.168.1.1 (0:90:27:13:cb:52) 01:30:25.886191 < arp reply 192.168.1.4 is-at 0:20:78:14:80:f (0:90:27:13:cb:52) 01:30:25.886258 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:25.886603 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:26.885952 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:26.886324 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:27.885967 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:27.886339 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:28.885998 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:28.886381 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:29.885983 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:29.886365 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:30.885980 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:30.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:31.885978 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:31.886360 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:32.885986 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:32.886365 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:33.885973 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:33.886349 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:34.885995 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:34.886373 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:35.885985 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:35.886363 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:36.885989 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:36.886371 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:37.885938 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:37.886303 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:38.885969 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:38.886344 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:39.885983 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:39.886362 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:40.885988 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:40.886368 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:41.885969 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:41.886344 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:42.885989 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:42.886365 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:43.885987 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:43.886364 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:44.885984 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:44.886361 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:45.885947 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:45.886318 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:46.885990 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:46.886371 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:47.885989 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:47.886364 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:48.885982 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:48.886365 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:49.885962 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:49.886339 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:50.885987 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:50.886366 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:51.885983 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:51.886365 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:52.885975 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:52.886345 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:53.885974 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:53.886349 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:54.885931 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:54.886298 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:55.885968 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:55.886345 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:56.885932 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:56.886297 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:57.885961 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:57.886333 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:58.885970 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:58.886349 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:30:59.885978 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:30:59.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:00.885960 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:00.886335 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:01.885976 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:01.886361 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:02.885978 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:02.886362 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:03.885961 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:03.886335 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:04.885990 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:04.886368 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:05.885978 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:05.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:06.885981 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:06.886364 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:07.885930 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:07.886297 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:08.885963 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:08.886338 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:09.885974 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:09.886357 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:10.885964 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:10.886339 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:11.884826 < arp who-has 192.168.1.1 tell 192.168.1.4 01:31:11.884870 > arp reply 192.168.1.1 (0:90:27:13:cb:52) is-at 0:90:27:13:cb:52 (0:20:78:14:80:f) 01:31:11.885948 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:11.886300 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:12.885981 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:12.886360 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:13.885981 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:13.886359 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:14.885961 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:14.886335 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:15.885989 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:15.886371 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:16.885899 > arp who-has 192.168.1.4 tell 192.168.1.1 (0:90:27:13:cb:52) 01:31:16.886148 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:16.886189 < arp reply 192.168.1.4 is-at 0:20:78:14:80:f (0:90:27:13:cb:52) 01:31:16.886498 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:17.885968 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:17.886342 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:18.885970 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:18.886350 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:19.885959 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:19.886331 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:20.885977 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:20.886357 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:21.885931 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:21.886300 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:22.885965 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:22.886342 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:23.245699 B arp who-has 192.168.1.1 tell 192.168.1.176 01:31:23.245754 > arp reply 192.168.1.1 (0:90:27:13:cb:52) is-at 0:90:27:13:cb:52 (0:10:a4:d0:f4:6a) 01:31:23.245875 < 192.168.1.176.1338 > 192.168.1.1.445: S 2373847473:2373847473(0) win 16384 (DF) 01:31:23.245960 > 192.168.1.1.445 > 192.168.1.176.1338: R 0:0(0) ack 2373847474 win 0 01:31:23.716083 < 192.168.1.176.1338 > 192.168.1.1.445: S 2373847473:2373847473(0) win 16384 (DF) 01:31:23.716182 > 192.168.1.1.445 > 192.168.1.176.1338: R 0:0(0) ack 1 win 0 01:31:23.885970 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:23.886350 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:24.216867 < 192.168.1.176.1338 > 192.168.1.1.445: S 2373847473:2373847473(0) win 16384 (DF) 01:31:24.216998 > 192.168.1.1.445 > 192.168.1.176.1338: R 0:0(0) ack 1 win 0 01:31:24.885976 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:24.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:25.885959 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:25.886334 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:26.885975 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:26.886356 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:27.492685 B arp who-has 192.168.1.1 tell 192.168.1.8 01:31:27.492736 > arp reply 192.168.1.1 (0:90:27:13:cb:52) is-at 0:90:27:13:cb:52 (0:8:c7:a2:0:f6) 01:31:27.885974 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:27.886355 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:28.245890 > arp who-has 192.168.1.176 tell 192.168.1.1 (0:90:27:13:cb:52) 01:31:28.246054 < arp reply 192.168.1.176 is-at 0:10:a4:d0:f4:6a (0:90:27:13:cb:52) 01:31:28.885962 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:28.886337 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:29.885978 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:29.886356 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:30.885974 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:30.886357 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:31.885962 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:31.886339 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:32.205548 > 192.168.1.1.domain > 192.168.1.176.1342: 26 2/6/6 CNAME gwyn.tux.org., A 207.96.122.8 (309) 01:31:32.495890 > arp who-has 192.168.1.8 tell 192.168.1.1 (0:90:27:13:cb:52) 01:31:32.496185 < arp reply 192.168.1.8 is-at 0:8:c7:a2:0:f6 (0:90:27:13:cb:52) 01:31:32.885957 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:32.886330 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:33.046161 > 192.168.1.1.domain > 192.168.1.176.1342: 26 2/4/4 CNAME gwyn.tux.org., A 207.96.122.8 (230) 01:31:33.046399 < 192.168.1.176 > 192.168.1.1: icmp: 192.168.1.176 udp port 1342 unreachable 01:31:33.885963 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:33.886337 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:34.885977 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:34.886356 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:35.885976 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:35.886354 < 192.168.1.4 > 192.168.1.1: icmp: echo reply 01:31:36.885976 > 192.168.1.1 > 192.168.1.4: icmp: echo request 01:31:36.886358 < 192.168.1.4 > 192.168.1.1: icmp: echo reply