BIRD - Config Support for RFC 3107 - Carrying Label Information in BGP

[Thiruvazhiyan Lakshmanan]

Hi Ondrej,
Thanks for the reply! How about incoming labels coming from 3107 neighbor? Can BIRD program the kernel table with mpls label for next-hop loopback?

Regards, 
Thiruvazhiyan L


-----Original Message-----
From: Ondrej Zajicek [mailto:santiago at crfreenet.org] 
Sent: Wednesday, May 23, 2018 3:07 PM
To: LAKSHMANAN, THIRUVAZHIYA; Thiruvazhiyan Lakshmanan
Cc: bird-users at network.cz
Subject: Re: BIRD - Config Support for RFC 3107 - Carrying Label Information in BGP

On Wed, May 23, 2018 at 06:02:30PM +0000, LAKSHMANAN, THIRUVAZHIYA wrote:
> In the BIRD 2.0 user guide, I see the support for RFC 3107 - Carrying
> Label information in BGP. We want to configure a VM with BIRD agent
> working like a PE for adding MPLS labels for IPv4 and IPv6 unicast
> routes. Do we have this configuration supported now, and can I get any
> sample working configuration for this please.

Hi

Unfortunately BIRD support for MPLS is currently limited. Can be used as
a BGP route reflector, or can configure static MPLS routes (with static
labels) and announce them. But no automatic route labeling.

For example, see this config:

https://gitlab.labs.nic.cz/labs/bird/blob/int-new/doc/bird.conf.example2
(although static routes there are VPN routes, it is analogous).

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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