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bgpd: Do not suppress conditional advertisement updates if triggered

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If we have a prefix-list with one entry, and after some time we append a prefix-list
with some more additional entries, conditional advertisement is triggered, and the
old entries are suppressed (because they look identical as sent before).

Hence, the old entries are sent as withdrawals and only new entries sent as updates.

Force re-sending all BGP updates for conditional advertisement. The same is done
for route-refresh, and/or soft clear operations.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2023-10-20 11:59:59 +03:00
parent 627888864d
commit 2d8e859585
1 changed files with 1 additions and 0 deletions
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bgpd/bgp_conditional_adv.c
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@ -90,6 +90,7 @@ static void bgp_conditional_adv_routes(struct peer *peer, afi_t afi,
addpath_capable = bgp_addpath_encode_tx(peer, afi, safi); addpath_capable = bgp_addpath_encode_tx(peer, afi, safi);
SET_FLAG(subgrp->sflags, SUBGRP_STATUS_FORCE_UPDATES);
for (dest = bgp_table_top(table); dest; dest = bgp_route_next(dest)) { for (dest = bgp_table_top(table); dest; dest = bgp_route_next(dest)) {
dest_p = bgp_dest_get_prefix(dest); dest_p = bgp_dest_get_prefix(dest);
assert(dest_p); assert(dest_p);