[quagga-dev 1018] Re: PATCH: Do not ignore metric when reading kernel routing table (Linux/rt_netlink)

Hasso Tepper hasso at estpak.ee
Tue Apr 6 13:08:19 BST 2004

Krzysztof Oledzki wrote:
> Hello,
> After two nights of adding printf(...) to quagga code I have just
> found the reason why zebra daemon is not able to remove some (but
> not all!) of the old routes on Linux/rt_netlink. I have noticed
> that if I kill ripd and zebra (SIGKILL) and start zebra again it
> prints lot of:
> ZEBRA: netlink-cmd error: No such process, type=RTM_DELROUTE(25),
> seq=XXX, pid=0
> messages. Zebra tries to remove old routes installed by itself but
> since it ignores metric of received routes from kernel, it is only
> able to remove routes with metric=0 (very unlikely with RIP). This
> patch fix the netlink_routing_table() function from the
> rt_netlink.c file. With this patch zebra is able to remove all my
> old (left after kill -9) "proto zebra" routes.
> Massage to the zebra/ChangeLog file:
> 2004-03-29 Krzysztof Oledzki <oleq at ans.pl>
> 	* Do not ignore metric when reading kernel routing table
> 	  on Linux with rt_netlink interface.

Commited. Thanks.

Hasso Tepper
Elion Enterprises Ltd.
WAN administrator

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