Jody Lemoine CD 🇨🇦

@ghostinthenet.bsky.social

1 month ago

Two coffees later it dawned on me that I was pinging from the device anchoring the pseudowire, so IPv6 was fragmenting at source. A packet capture showed the fragmentation headers •and• the missing MRRU attribute in the L2TPv3 pseudowire setup. Should have started there. #NetEng #ThereAreDays 2/2

Jody Lemoine CD 🇨🇦

@ghostinthenet.bsky.social

5 months ago

After two weeks of banging my head against this multicast routing lab, I finally found the problem. The default TTL for •all• multicast packets on Linux is 1. Of course, I overlooked the simple stuff in my troubleshooting, as one does. #NetEng #Multicast #Troubleshooting #LessonLearned #ThereAreDays