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ionosphere80/gist:ec83d0955c79b05ea381

Created January 23, 2016 02:22
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MTU experiments using Linux bridge - capture of SSH hanging
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gistfile1.txt
Neutron public network router interface, bridge end of veth pair:
01:12:42.301951 00:1a:64:f1:e8:39 > fa:16:3e:2b:c1:fd, ethertype IPv4 (0x0800), length 66: (tos 0x0, ttl 64, id 9271, offset 0, flags [DF], proto TCP (6), length 52)
10.100.52.45.35745 > 10.100.52.104.22: Flags [.], cksum 0xe492 (correct), ack 443, win 219, options [nop,nop,TS val 22115912 ecr 612449], length 0
01:12:42.302257 00:1a:64:f1:e8:39 > fa:16:3e:2b:c1:fd, ethertype IPv4 (0x0800), length 2034: (tos 0x0, ttl 64, id 9272, offset 0, flags [DF], proto TCP (6), length 2020)
10.100.52.45.35745 > 10.100.52.104.22: Flags [P.], cksum 0xab78 (correct), seq 44:2012, ack 443, win 219, options [nop,nop,TS val 22115912 ecr 612449], length 1968
01:12:42.505665 00:1a:64:f1:e8:39 > fa:16:3e:2b:c1:fd, ethertype IPv4 (0x0800), length 338: (tos 0x0, ttl 64, id 9273, offset 0, flags [DF], proto TCP (6), length 324)
10.100.52.45.35745 > 10.100.52.104.22: Flags [P.], cksum 0xebe0 (correct), seq 2012:2284, ack 443, win 219, options [nop,nop,TS val 22115963 ecr 612449], length 272
Neutron public network router interface, namespace end of veth pair:
01:12:42.301953 00:1a:64:f1:e8:39 > fa:16:3e:2b:c1:fd, ethertype IPv4 (0x0800), length 66: (tos 0x0, ttl 64, id 9271, offset 0, flags [DF], proto TCP (6), length 52)
10.100.52.45.35745 > 10.100.52.104.22: Flags [.], cksum 0xe492 (correct), ack 443, win 219, options [nop,nop,TS val 22115912 ecr 612449], length 0
01:12:42.505676 00:1a:64:f1:e8:39 > fa:16:3e:2b:c1:fd, ethertype IPv4 (0x0800), length 338: (tos 0x0, ttl 64, id 9273, offset 0, flags [DF], proto TCP (6), length 324)
10.100.52.45.35745 > 10.100.52.104.22: Flags [P.], cksum 0xebe0 (correct), seq 2012:2284, ack 443, win 219, options [nop,nop,TS val 22115963 ecr 612449], length 272
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