March 2011 - Bird-users - Mailing Lists

Bird and loopback addresses
by Ruben Laban 08 Mar '11

08 Mar '11

(resending with proper from address) Hello, It seems that bird ignores any interfaces / ip addresses which have a subnet mask of 255.255.255.255. This seems to apply to both BGP as OSPF. An interface configured with A.B.C.D/E (E<32) seems to be picked up just fine, whereas configuring it A.B.C.D/32 and a route to A.B.C.D/E does not result in the interface to be picked. I'm quite sure I'm missing something trivial here, but I can't seem to figure out what exactly. Regards, Ruben Laban

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BUG in nest/rt-fib.c
by fredrik danerklint 06 Mar '11

06 Mar '11

I've compile bird6 with --enable-debug --enable-ipv6 and I got this when running: 04-03-2011 20:17:38 <BUG> fib_get() called for invalid address; len: 127 bits_per_ip_address: 128 ip_is_prefix: 0 This is from ospf protocol. -- //fredan

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Newbie question - create filter for prefixes to export and also modify bgp next hop
by Mathias Wolkert 03 Mar '11

03 Mar '11

Hi As said, I'm new to BIRD and struggling a bit with the config syntax. I'll try to explain what I want to do. I have a few prefixes, lets say 10.1.1.0/24, 10.2.2.0/24, 10.3.3.0/24. I want to announce these (and only these) in a BGP session, but with a modified next hop. How would I do this? Any help is much appreciated. /Tias

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Malformed AS_PATH workaround
by Alexander Shikoff 02 Mar '11

02 Mar '11

Hello, one of participants of our IXP trying to build BGP session with Route-server running bird v. 1.2.4. The problem is that customer uses BGP on Alcatel-Lucent OS-6850. It seems that this switch requires first-as matching peer-as and no way to change its behavior. We're using next configuration for peers: protocol bgp PEER { passive; local as MyASN; neighbor x.x.x.x as PeerASN; rs client; import where bgp_in([ ... ]); export where bgp_out(PeerASN); } Is there a way to keep "rs client" functionality, but add MyASN to as-path? If I create separate export filter with prepends, will it work? Thanks in advance! -- MINO-RIPE

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