ripng on sit tunnel interface

Ondrej Zajicek santiago at crfreenet.org
Thu Jan 11 15:24:41 CET 2024


On Thu, Jan 11, 2024 at 06:35:42PM +0500, Ivan wrote:
> Hello.
> I am using bird 1.6 on Linux.
> If I run the ripng protocol on the sit tunnel interface, until an IPv6
> LinkLocal address is assigned to the interface, the ripng protocol does not
> start (does not receive or send messages). Even if a static unicast IPv6
> address is assigned to the sit interface.
> 
> Can ripng in bird 1.6 implementation use an interface with static unicast
> address but without LinkLocal ?

Hello

No, BIRD requires link-local IPv6 address on both sides for RIPng - it is
not active on ifaces without link-local address, and it ignores RIP
packets with source address that is not link local. This is required by
RIPng RFC (RFC 2080).

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
"To err is human -- to blame it on a computer is even more so."


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