Change bgp_med and "soft reload"

[Alexander V. Chernikov]

On 09.01.2013 20:03, 3.listas at adminlinux.com.br wrote:
> Hi,
> 
> I am evaluating use of BIRD on my network. In my environment I need to
> change the bgp_med parameter without causing major impact on established
> BGP sessions. But the changes in parameter bgp_med only take effect
> after a "bird restart service".
> 
> I tried with birdc unsuccessfully:
>   reload in bgp
>   reload out bgp
>   restart bgp
>   configure soft bird-BGP_MED.conf
>   configure bird-BGP_MED.conf

'configure' and
'reload out qualquer_nome_para_bgp' should work.

> 
> My config:
> 
> /etc/bird.conf:
> 
> log syslog { debug, trace, info, remote, warning, error, auth, fatal,
> bug };
> debug protocols all;
> router id 192.168.100.1;
> 
> include "/etc/bird-static.conf";
> include "/etc/bird-BGP_MED.conf";
> 
> protocol kernel {
>   export all;
>   scan time 20;
> }
> 
> protocol device {
>   scan time 10;
> }
> 
> protocol bgp qualquer_nome_para_bgp {
>   description "My BGP test Bird Router in LabRouter";
>   local as 65111;
>   source address 192.168.101.1;
>   neighbor 192.168.101.2 as 65000;
>   export filter {
>     if source = RTS_STATIC then {
>       bgp_med = BGP_MED;
>       accept;
>     }
>     reject;
>   };
>   import all;
> }
> 
> /etc/bird-static.conf:
> 
> protocol static um_nome_qualquer {
>   route 192.168.100.0/24 via 192.168.101.1;
> }
> 
> /etc/bird-BGP_MED.conf:
> 
> define BGP_MED=200;
> 
> How do I change the parameter bgp_med without losing the BGP session?
> Thanks


-- 
WBR, Alexander