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-rw-r--r--bgpd/bgp_mpath.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/bgpd/bgp_mpath.c b/bgpd/bgp_mpath.c
index 1709c244..d07830d1 100644
--- a/bgpd/bgp_mpath.c
+++ b/bgpd/bgp_mpath.c
@@ -626,25 +626,32 @@ bgp_info_mpath_aggregate_update (struct bgp_info *new_best,
/*
* Bail out here if the following is true:
* - MULTIPATH_CHG bit is not set on new_best, and
+ * - No change in bestpath, and
* - ATTR_CHANGED bit is not set on new_best or any of the multipaths
*/
- attr_chg = 0;
- if (CHECK_FLAG (new_best->flags, BGP_INFO_ATTR_CHANGED))
- attr_chg = 1;
- else
- for (mpinfo = bgp_info_mpath_first (new_best); mpinfo;
- mpinfo = bgp_info_mpath_next (mpinfo))
- {
- if (CHECK_FLAG (mpinfo->flags, BGP_INFO_ATTR_CHANGED))
+ if (!CHECK_FLAG (new_best->flags, BGP_INFO_MULTIPATH_CHG) &&
+ (old_best == new_best))
+ {
+ attr_chg = 0;
+
+ if (CHECK_FLAG (new_best->flags, BGP_INFO_ATTR_CHANGED))
+ attr_chg = 1;
+ else
+ for (mpinfo = bgp_info_mpath_first (new_best); mpinfo;
+ mpinfo = bgp_info_mpath_next (mpinfo))
{
- attr_chg = 1;
- break;
+ if (CHECK_FLAG (mpinfo->flags, BGP_INFO_ATTR_CHANGED))
+ {
+ attr_chg = 1;
+ break;
+ }
}
- }
- if (!CHECK_FLAG (new_best->flags, BGP_INFO_MULTIPATH_CHG) && !attr_chg)
- {
- assert (bgp_info_mpath_attr (new_best));
- return;
+
+ if (!attr_chg)
+ {
+ assert (bgp_info_mpath_attr (new_best));
+ return;
+ }
}
bgp_attr_dup (&attr, new_best->attr);