[PATCH,RFC] Allow exchanging LOCAL_PREF with eBGP peers.

[Job Snijders]

No, your example with the existing variable is perfect. Thanks!

Kind regards,

Job

On 18 Feb 2017, 17:34 +0100, Lennert Buytenhek <buytenh at wantstofly.org>, wrote:
> On Sat, Feb 18, 2017 at 05:20:15PM +0100, Job Snijders wrote:
>
> > Hi,
>
> Goedemiddag!
>
>
> > Can you make the LOCAL_PREF something that can be matched on? Example:
> >
> > if ! bgp_path.local_pref = 80 then {
> > bgp_local_pref = 100;
> > }
> >
> > This way one can limit the influence of the adjacent neighbor to either
> > 80 or 100 (default).
>
> You can match against the existing variable and change it:
>
> protocol bgp peer_a {
> ebgp localpref rx;
> import filter {
> if bgp_local_pref = 12349 then {
> print "changing it";
> bgp_local_pref = 54321;
> }
> accept;
> };
> [...]
> }
>
> ===
> 2017-02-18 18:28:35 <TRACE> a: Got UPDATE
> 2017-02-18 18:28:35 <INFO> changing it
>
>
> bird> show route all
> 0.0.0.0/0 via 172.17.76.1 on eth0 [a 18:28:35] * (100) [AS1i]
> Type: BGP unicast univ
> BGP.origin: IGP
> BGP.as_path: 1
> BGP.next_hop: 172.17.76.1
> BGP.local_pref: 54321
> ===
>
> Are you asking for a variable that records the received LOCAL_PREF that
> is separate from bgp_local_pref?
>
>
> Cheers,
> Lennert
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