route withdrawals are not sent upon protocol removal

Ondrej Zajicek santiago at crfreenet.org
Mon Jun 4 12:45:09 CEST 2018


On Thu, May 31, 2018 at 03:42:12PM +0100, Thomás S. Bregolin wrote:
> Hello,
> 
> 
> bird (all versions) does not send BGP route withdrawals when a protocol is
> removed, only when the filter changes or the protocol is disabled. Is this
> intentional? If not, could it be a configurable option to send route
> withdrawals upon protocols being removed?

Hello

Do you mean route withdrawals for routes received from that removed protocol?
Send to other peers? This should not be an issue - when a protocol is removed
or disabled, all its routes are removed and withdrawals should be sent to
other protocols.


> I am having an issue where the peers keep stale routes that were removed
> from bird but were not withdrawn via update messages.

Do you see these stale routes on routes on routers directly connected
with (now removed) session, or on their neighbors?

-- 
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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