BIRD 3.0alpha1

Maria Matejka maria.matejka at nic.cz
Fri Apr 28 10:30:03 CEST 2023


Hello Marek,

this looks fishy. We haven't yet had an opportunity to properly test the 
Netlink at FreeBSD so thank you for reporting, this is indeed a bug.

As soon as we get to spin up the newest FreeBSD, we'll look into it and 
try to debug.

Thank you for your report!
Maria

> Dear BIRD Developers,
> 
> I have tested the Netlink flavor of FreeBSD port. At a glance there are 
> at least 2 problems:
> 
> 1. Memory (resident) usage at the init is about 125% of BIRD 2.13, 
> moreover it's constantly growing and after 30 min it was about 300% of 
> shown by BIRD 2.13.
> 
> 2. Some routes are not learned correctly, for example:
> 
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Invalid route x.y.140.0/22 
> withdrawn
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Invalid route x.y.160.0/22 
> withdrawn
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Invalid route x.y.184.0/22 
> withdrawn
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Invalid route y.y.184.0/24 
> withdrawn
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Malformed bgp_unknown_0x15 
> attribute - conflicting flags (e0, expected 80)
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Malformed bgp_unknown_0x15 
> attribute - conflicting flags (e0, expected 80)
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Malformed bgp_unknown_0xff 
> attribute - conflicting flags (e0, expected 80)
> Apr 27 20:20:23 rtr bird[40469]: bgp_rmsk_v4: Malformed bgp_unknown_0xff 
> attribute - conflicting flags (e0, expected 80)
> 
> It came out, that in BIRD 2.13 at least some of these problematic routes 
> have special attributes, for example:
> 
> BGP.ff [t]: 00 00 07 db 00 00 00 01 00 01 00 0a ff 08 00 00 00 00 ea 44 
> 42 79
> 
> Thanks for giving the opportunity to test !
> 
> Cheers
> 


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