- Bird-users - Mailing Lists

RIP-1 (RFC 1058) support, ipaddress/netmask prefixes questions
by birdie＠sigint.cs.purdue.edu 06 Mar '02

06 Mar '02

According to the docs, RIP version 1 is not supported, but looking at proto/rip/rip.c, it looks like it is. Which is correct? Also, the docs say that "ipaddress/netmask" (which I take to mean e.g. 10.0.1.0/255.255.255.0) is a valid form for prefixes, but filter/config.Y doesn't appear to allow it. (But hey, my yacc's pretty rusty.) BTW, kudos to the BIRD team. BIRD rains mucho guano on gated zebras.

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broadcast and multicast RIP on the same interface?
by birdie＠sigint.cs.purdue.edu 06 Mar '02

06 Mar '02

Is there any reason why broadcast and multicast RIP can't be run on the same interface? I haven't read the RFCs, but we'd only be using this in a student lab setting with the multicast interface in mode "quiet", so I think it should be okay. Here's a patch to bird-1.0.5 to allow this: *** proto/rip/rip.c.orig Wed Aug 23 01:53:49 2000 --- proto/rip/rip.c Wed Mar 6 09:48:04 2002 *************** *** 770,789 **** if (c & IF_CHANGE_UP) { struct iface_patt *k = iface_patt_match(&P_CF->iface_list, iface); struct object_lock *lock; if (!k) return; /* We are not interested in this interface */ lock = olock_new( p->pool ); #ifndef IPV6 ! lock->addr = ipa_from_u32(0xe0000009); /* This is okay: we ! may actually use ! other address, but ! we do not want two ! rips at one time, ! anyway. */ #else ! ip_pton("FF02::9", &lock->addr); #endif lock->port = P_CF->port; lock->iface = iface; lock->hook = rip_real_if_add; --- 770,788 ---- if (c & IF_CHANGE_UP) { struct iface_patt *k = iface_patt_match(&P_CF->iface_list, iface); struct object_lock *lock; + struct rip_patt *PATT = (struct rip_patt *) k; if (!k) return; /* We are not interested in this interface */ lock = olock_new( p->pool ); + if (!(PATT->mode & IM_BROADCAST) && (iface->flags & IF_MULTICAST)) #ifndef IPV6 ! lock->addr = ipa_from_u32(0xe0000009); #else ! ip_pton("FF02::9", &lock->addr); #endif + else + lock->addr = iface->addr->brd; lock->port = P_CF->port; lock->iface = iface; lock->hook = rip_real_if_add;

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Any activity here
by Paul P Komkoff Jr 05 Feb '02

05 Feb '02

Hello. Is anybody active here and supporting/planning/etc. further work on bird ? -- Paul P 'Stingray' Komkoff 'Greatest' Jr // (icq)23200764 // (irc)Spacebar PPKJ1-RIPE // (smtp)i@stingr.net // (http)stingr.net // (pgp)0xA4B4ECA4

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New to list
by Lauro, John 27 Jan '02

27 Jan '02

Hello, I just joined this list. Is there an archive available?

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Re: your mail
by Martin Mares 08 Jan '02

08 Jan '02

Hello! > In kernel 2.4.17, the config option for RTNETLINK was removed and it > was claimed to be set ON. However, on my 2.4.16 router, upgrading to > 2.4.17 caused a total loss of routing. Bird was running, but could no > longer communicate with the neighbors. Does it see any network interfaces? Have a nice fortnight -- Martin `MJ' Mares <mj(a)ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth Quote of the day: '

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Re: BGP anouncing with two peers.
by Damjan 24 Dec '01

24 Dec '01

> > Please, if you get the answers, could you send me a copy ? Hello, I've succeded in making Bird BGP work. I'm now using it to anounce my ISP's ip address pool to the world, through two peers. Also I prepend the routes I anounce so part of my IP's are routed through one peer, and the other part through the other peer. Curently I'm only anouncing (exporting) BGP routes, I don't import nothing. Next thing I'll do is try to manipulate my router's two routing tables when a BGP session is broken, so that I can get automatic switchover of the uplink too. This will require a different Bird configuation and I'll do it once I get more familiar with Bird's scripting language. This is the configuration I used, atached. If you have any questions feel free to ask me. -- Damjan Georgievski | Дамјан Георгиевски Skopje, Macedonia | Скопје, Македонија

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How to use bgp_next_hop
by Christian Lyra 17 Dec '01

17 Dec '01

Hi all I'm using bird to receive full route from one AS (A) and export to another AS (B). But I need to change the the next_hop information so the routers at the AS B send his packets to my router and not to my bird machine. I tried something like filter export { bgp_next_hop.add(xxx.yyy.zzz.www); accept; }; but didnt work... the daemon dies after a few seconds! thanks in advance! Christian Lyra

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13 Dec '01

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Re: OSPF bug?
by Ondrej Feela Filip 10 Dec '01

10 Dec '01

On Sat, 8 Dec 2001, Mark Glines wrote: > On Fri, Dec 07, 2001 at 06:15:49 +0100, Ondrej Feela Filip wrote: > > Hi! > > I'm sorry that I'm answering so late. I'm quite busy now. (But good news > > is, that one company will pay for my upgrades of Bird, so I'll have more > > time for it.) > > Thats excellent news, I'm very happy to hear it! > > Thank you for your corrected patch, I'd forgotten about the ipaddr debug > abstraction. > > I'm still having a few problems with Bird, and I hope to find some > spare time and and fix them. On my list are: > * MD5 authentication for OSPF Is it important for you? Or shall I rather fix bugs? > * speed up OSPF startup/syncup time ? Could you explain it to me? What's your 'tick' time? > * per-interface authentication settings for RIP (rather than global) OK, Pavel, could you have a look at it? > * occasionally it never syncs up with an OSPF peer :-( Yes, it sometimes happens. Did you find when and where it comes? > * if it has intermittant contact with an OSPF peer and can't finish > negotiation (e.g. through a crappy wireless link that drops half the > packets), it may never come up with a routing table via the Full > peers it DOES know of So it means that BIRD often does DOWN/FULL(UP) action with some peer? > * sometimes it syncs up with its OSPF peers properly yet decides not to > set any routes? ?? > * theres an annoyingly large period of down time between when it clears > the kernel's routing table and creates a new one How long is it? > > I'm sure a couple of these problems are merely config, but some seem like > bugs. Hopefully I'll get to spend some more time on it soon. Great! > > Feela

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OSPF bug?
by Mark Glines 07 Dec '01

07 Dec '01

Hi! We've been attempting to use bird 1.0.5 on our test network, but OSPF didn't seem to be propogating correctly. Rather, it was talking amongst its peer routers properly, and propogating routes correctly, but forgetting to set the gateways (which kinda defeats the purpose). For instance, we have one machine (test1, 192.168.0.254) which is directly attached to 192.168.0.0/24 (obviously) and 192.168.1.0/24, as well as our uplink to the internet. Another machine (192.168.0.60) is directly attached to 192.168.0.0/24 (obviously), 192.168.4.0/24 and 192.168.7.0/24. Once they had flooded LS's and entered OSPF "full" mode with eachother, test1's routing table looked like: test1:~# ip route XXX.XXX.XXX.XXX/27 dev eth0 proto kernel scope link src XXX.XXX.XXX.XXX 192.168.7.0/24 dev eth2 proto bird 192.168.4.0/24 dev eth2 proto bird 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.254 192.168.0.0/24 dev eth2 proto kernel scope link src 192.168.0.254 default via XXX.XXX.XXX.XXX dev eth0 proto bird I rooted around in the source for a while, and managed to make it work. Attached is the patch (which also includes a small documentation fix). This patch makes bird set gateways properly: test1:~# ip route XXX.XXX.XXX.XXX/27 dev eth0 proto kernel scope link src XXX.XXX.XXX.XXX 192.168.7.0/24 via 192.168.0.60 dev eth2 proto bird 192.168.4.0/24 via 192.168.0.60 dev eth2 proto bird 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.254 192.168.0.0/24 dev eth2 proto kernel scope link src 192.168.0.254 default via XXX.XXX.XXX.XXX dev eth0 proto bird Since this seems like such a silly bug and is so unlikely to be overlooked (because it rendered bird's OSPF mostly useless), I have to ask if we configured something wrong, or managed to mess something else up. Please also find attached one of our config files (they all look pretty similar to this). What happened? I'd love to hear your comments. Thanks for your time, Mark

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