August 2005 - Bird-users

"RTD_NETWORK: variable expected." in filtering according to dest
by Martin Kraus 25 Aug '05

25 Aug '05

hi, i'd like to filterout routes to local networks when exporting routes from bird to kernel table.( when playing around with it, bird once updated local network routes in kernel and that broke down ospf, which stopped sending hello packets) i hoped to use dest=RTD_NETWORK but i get following: bird> show route where dest=RTD_NETWORK RTD_NETWORK: variable expected. i could use bird> show route where dest!=RTD_ROUTER 212.71.177.40/29 dev eth2 [direct1 Aug19] (240) dev eth2 [ospf1 Aug19] I (150/10) to get what i need, but it will break in the future if i get routes with other dests. any idea what i'm doing wrong? i don't see anything wrong with it, besides that it doesn't work:) thanks mk -- První pravidlo provozu životních cest: Většina dobře prošlapaných cest nikam nevede. -- Murphy

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RIP interoperability
by Adrian Wooster 16 Aug '05

16 Aug '05

First off - I'm really impressed with bird so far. Its size and simplicity for what we are doing was a dream. I have around 20 boxes all using bird, and happily sharing multicast RIP information - excellent! I have a Zyxel router configured to issue RIP2m and a Linux box using Quagga also using RIP2, which are happy to interact with each other. The bird routers don't see the Quagga/Zyxel updates, and vice versa. As Quagga and Zyxel are completely different vendors and are happy to communicate with each other, it feels like the issue is with bird. Is there something I need to do in the bird configuration to make them update non-bird RIP2m routers? sample bird config: > # Configure logging > log syslog all; > > protocol direct { > # interface "-eth*", "*"; # Restrict network interfaces it works > with > } > > protocol kernel { > # learn; # Learn all alien routes from the kernel > persist; # Don't remove routes on bird shutdown > scan time 5; # Scan kernel routing table every 20 > seconds > # import none; # Default is import all > import all; > export all; # Default is export none > # kernel table 5; # Kernel table to synchronize with > (default: main) > } > > # This pseudo-protocol watches all interface up/down events. > protocol device { > scan time 2; # Scan interfaces every 10 seconds > } > > protocol static { > route 0.0.0.0/0 via 10.1.200.247; #default gateway > } > > # RIP > protocol rip { > period 15; > interface "*" {mode multicast; }; > honor always; > authentication none; > import all; > export all; > } > Regards, Adrian

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stability of bird
by Martin Kraus 13 Aug '05

13 Aug '05

hi, i've got stability issues with bird. i talked with feela, he told me there are some problems with stability, that bird crashes once in about 3 weeks, however, tonight it crashed on me about 5 times and finaly tore down my central router, which, needless to say, really #@&!!@??#@!!*&# annoyed me:) is anyone using successfully bird in production environment at least on a small network (what i need for now is really just two routers running bird, two routers running gated and couple of other routers throught static routing) or are these stability issues affecting everyone? what i remember is that bird crashed hard when using show route filter { if net ~ .... etc. through birdc, than it crashed when adding a static route and configure/restart static1. i also noticed, that the ospf module just stops sending out helo packets from time to time, and only thing that helps is a complete restart of bird. i didn't have time to simulate the errors and see when and what exactly does it do. i'm also no programmer, i saw debugger once 5 years ago so i'm not much help there either. i would just like to know if there is a way to get bird working reliably to some extent or if it's still just beta for fun only. have a nice weekend martin kraus

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Static route aggregation for BGP announcement
by Anand Buddhdev 11 Aug '05

11 Aug '05

Hi everyone, I've recently setup bird 1.0.11 on a Linux system. I've defined my static routes likes this: protocol static { route x.y.z.0/27 via "eth3"; route x.y.z+1.0/24 via "eth2"; route x.y.z+2.0/24 via "eth2"; route x.y.z+5.0/25 via "eth2"; route x.y.z+5.128/26 via "eth2"; route x.y.z+5.192/28 via "eth2"; route x.y.z.0/20 drop; } I have a /20 allocation from the RIPE NCC, which is x.y.z.0/20 I have configured my BGP as follows: protocol bgp { local as MYASN; neighbor a.b.c.d as REMOTE-AS; path metric 1; # Prefer routes with shorter paths (like Cisco) source address e.f.g.h; # local address TCP connection export where source=RTS_STATIC; import all; } This works, and I see x.y.z.0/20 advertised, if I look through a looking glass router. However, what I am not clear about is this: does bird actually export _all_ the static routes I have defined? And are they simply not visible because my upstream is filtering them? Or is bird actually clever enough to see that x.y.z.0/20 is an aggregate of all the other routes, and only advertises the one route? And what do other users recommend? Is my setup ok, or is it better if I change the export line to actually export only the one prefix? Regards, Anand

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routing problem
by noname 06 Aug '05

06 Aug '05

Hello! I'm trying to solve a problem... I have two ethernet devices, ngeth0 and ngeth1, which are in the same network and both have the same gateway. I need to direct packets coming from definite ips through ngeth0 and from other adresses through ngeth1. If there was two different networks/gateways it could be done with ipfw, but now I need two routing tables, one with default route going through ngeth0 and enother with default route going through ngeth1. There is iproute2 for linux which does the thing. But how can it be done in FreeBSD 5.4? Can the Bird help? I've tried to read user's guide for the Bird, but it is quite hard to understand it. There should be some practical examples. Can somebody give some hints on this subject? Best regards, Nikolai Koudelia

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mailing-list archives
by asd dg 05 Aug '05

05 Aug '05

is there any way to browse the archives of this mailing list?

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