Re: IS-IS Error (FRR)

2020-04-20 Thread Mark Tinka
On 20/Apr/20 16:26, adamv0...@netconsultings.com wrote: > > Interesting, so it is an MTU problem after all, I take it there’s no > way to adjust the BPF (Berkeley Packet Filter) limit to let the 6020B > sized PSNPs through? > Probably could - but I'd prefer solutions that don't mess with the bas

RE: IS-IS Error (FRR)

2020-04-20 Thread adamv0025
Subject: Re: IS-IS Error (FRR) So we've been discussing this on Slack. It seems the packet handlers for IS-IS in FRR and how they work on FreeBSD is not completely optimized (not an issue on Linux). FRR-based IS-IS on FreeBSD is sending PSNP's that are 6,020 bytes large. However, Fre

Re: IS-IS Error (FRR)

2020-04-18 Thread Mark Tinka
;> >> *From:*NANOG *On Behalf Of *Mark Tinka >> *Sent:* Friday, April 17, 2020 11:05 AM >> *To:* nanog@nanog.org >> *Subject:* IS-IS Error (FRR) >> >>   >> >> Hi all. >> >> I'm almost there getting IS-IS to work without issue. I'm now

RE: IS-IS Error (FRR)

2020-04-18 Thread adamv0025
Just shooting in the dark, Isn’t the PSNP padded to some ISIS defined max MTU and that somehow fails due to mismatch on em0 L2 MTU? adam From: NANOG On Behalf Of Mark Tinka Sent: Friday, April 17, 2020 11:05 AM To: nanog@nanog.org Subject: IS-IS Error (FRR) Hi all. I'm almost

IS-IS Error (FRR)

2020-04-17 Thread Mark Tinka
Hi all. I'm almost there getting IS-IS to work without issue. I'm now faced with the following error log: 2020/04/17 10:02:01 ISIS: IS-IS bpf: could not transmit packet on em0: Input/output error 2020/04/17 10:02:01 ISIS: [EC 67108865] ISIS-Snp (1): Send L2 PSNP on em0 failed This repeats every