Netlink: File exists

[Ondrej Filip]

On 2.2.2010 19:57, Chris Webb wrote:
> Hi. I'm experimenting with bird as a replacement for a quagga install, and
> tried the following very simple config:
> 
>   router id 91.203.57.1;
> 
>   protocol device {
>   }
> 
>   protocol direct {
>   }
> 
>   protocol kernel {
>     import all;
>     export all;
>   }
> 
>   protocol bgp {
>     local as 44934;
>     neighbor 84.45.39.149 as 25577;
>     import all;
>     export all;
>   }
> 
> with bird-1.2.0 running on a (relatively old) linux 2.6.23.9 kernel.
> 
> This seems to work fine, apart from the message "bird: Netlink: File exists"
> appearing in syslog every minute. My routing table before starting bird
> looks like this
> 
>   # ip route show
>   84.45.39.148/30 dev eth1  proto kernel  scope link  src 84.45.39.150 
>   91.203.56.0/23 dev eth0  proto kernel  scope link  src 91.203.57.1
>   default via 84.45.39.149 dev eth1 
> 
> in case this is related to bird being unable to overwrite the existing
> static routes?
> 

Could you start birdc and type:
echo all
debug all all
and send me the output?

> Also, I needed 
> 
>   sysctl net.core.rmem_max=524284
> 
> before starting quagga to avoid netlink "recvmsg overrun" messages and
> occasional loss of prefixes. Am I right in assuming that bird will need the
> same thing for the same reason?

I am not sure.

			Ondrej

> 
> Cheers,
> 
> Chris.
>