Created
March 18, 2025 18:53
-
-
Save trozet/ce52ac04afb0f78636af4def56947699 to your computer and use it in GitHub Desktop.
tcpdump ovnk pod -> nodeport, ETP=local on server side
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| root@ovn-worker2 ~]# tcpdump -i any 'port 80 or port 30973' -nneev | |
| tcpdump: WARNING: any: That device doesn't support promiscuous mode | |
| (Promiscuous mode not supported on the "any" device) | |
| dropped privs to tcpdump | |
| tcpdump: listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes | |
| 18:51:34.072883 genev_sys_6081 P ifindex 8 0a:58:64:58:00:03 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 63, id 17095, offset 0, flags [DF], proto TCP (6), length 60) | |
| 10.244.0.3.45952 > 172.18.0.2.30973: Flags [S], cksum 0x3355 (correct), seq 800905722, win 65280, options [mss 1360,sackOK,TS val 1346754696 ecr 0,nop,wscale 7], length 0 | |
| 18:51:34.073256 ovn-k8s-mp0 In ifindex 6 0a:58:0a:f4:01:01 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 62, id 17095, offset 0, flags [DF], proto TCP (6), length 60) | |
| 10.244.0.3.45952 > 172.18.0.2.30973: Flags [S], cksum 0x3355 (correct), seq 800905722, win 65280, options [mss 1360,sackOK,TS val 1346754696 ecr 0,nop,wscale 7], length 0 | |
| 18:51:34.073271 ovn-k8s-mp0 Out ifindex 6 0a:58:0a:f4:01:02 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 61, id 17095, offset 0, flags [DF], proto TCP (6), length 60) | |
| 10.244.1.2.45952 > 169.254.0.3.30973: Flags [S], cksum 0x3469 (correct), seq 800905722, win 65280, options [mss 1360,sackOK,TS val 1346754696 ecr 0,nop,wscale 7], length 0 | |
| 18:51:34.073740 5a3f1f71bd56639 Out ifindex 12 0a:58:0a:f4:01:01 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 60, id 17095, offset 0, flags [DF], proto TCP (6), length 60) | |
| 10.244.1.2.45952 > 10.244.1.6.80: Flags [S], cksum 0x4b1e (correct), seq 800905722, win 65280, options [mss 1360,sackOK,TS val 1346754696 ecr 0,nop,wscale 7], length 0 | |
| 18:51:34.073756 5a3f1f71bd56639 P ifindex 12 0a:58:0a:f4:01:06 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 60) | |
| 10.244.1.6.80 > 10.244.1.2.45952: Flags [S.], cksum 0x181e (incorrect -> 0x3288), seq 1220991992, ack 800905723, win 64704, options [mss 1360,sackOK,TS val 2055240581 ecr 1346754696,nop,wscale 7], length 0 | |
| 18:51:34.073990 ovn-k8s-mp0 In ifindex 6 0a:58:0a:f4:01:01 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto TCP (6), length 60) | |
| 169.254.0.3.30973 > 10.244.1.2.45952: Flags [S.], cksum 0x1bd3 (correct), seq 1220991992, ack 800905723, win 64704, options [mss 1360,sackOK,TS val 2055240581 ecr 1346754696,nop,wscale 7], length 0 | |
| 18:51:34.073996 ovn-k8s-mp0 Out ifindex 6 0a:58:0a:f4:01:02 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto TCP (6), length 60) | |
| 172.18.0.2.30973 > 10.244.0.3.45952: Flags [S.], cksum 0x1abf (correct), seq 1220991992, ack 800905723, win 64704, options [mss 1360,sackOK,TS val 2055240581 ecr 1346754696,nop,wscale 7], length 0 | |
| 18:51:34.074221 genev_sys_6081 Out ifindex 8 0a:58:64:58:00:02 ethertype IPv4 (0x0800), length 80: (tos 0x0, ttl 61, id 0, offset 0, flags [DF], proto TCP (6), length 60) | |
| 172.18.0.2.30973 > 10.244.0.3.45952: Flags [S.], cksum 0x1abf (correct), seq 1220991992, ack 800905723, win 64704, options [mss 1360,sackOK,TS val 2055240581 ecr 1346754696,nop,wscale 7], length 0 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment