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bgpd: recheck leak nexthop validity

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When leak_update() rechecks an existing path, it considers nothing to
update if the attributes and labels are not changed. However, it does
not take into account the nexthop validity.

Perform a leak update if the nexthop validity has changed.

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert 2024-11-05 15:53:43 +01:00
parent 779077bf56
commit bb986e96dc
1 changed files with 5 additions and 3 deletions
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8
bgpd/bgp_mplsvpn.c
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@ -1193,9 +1193,11 @@ leak_update(struct bgp *to_bgp, struct bgp_dest *bn,
return NULL;
}
if (attrhash_cmp(bpi->attr, new_attr) && labelssame
&& !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) {
if (attrhash_cmp(bpi->attr, new_attr) && labelssame &&
!CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED) &&
leak_update_nexthop_valid(to_bgp, bn, new_attr, afi, safi, source_bpi, bpi,
bgp_orig, p,
debug) == !!CHECK_FLAG(bpi->flags, BGP_PATH_VALID)) {
bgp_attr_unintern(&new_attr);
if (debug)
zlog_debug(