diff options
| author | Renato Westphal <renato@opensourcerouting.org> | 2017-09-01 11:44:22 -0300 |
|---|---|---|
| committer | Renato Westphal <renato@opensourcerouting.org> | 2017-09-01 11:44:22 -0300 |
| commit | 5f20552d51647a7ab672b9e7dbdf7de757c9fb29 (patch) | |
| tree | 87820b135d4628bb327bd5becf15d5ddfd1438be | |
| parent | 8ba5bd58aa7bb8de6c18dd4ebddecf142ae4012e (diff) | |
zebra: add an exception for link-local connected routes
Link-local routes are unique in the sense that they all have the same
prefix but have different nexthops (local interfaces). Add an exception
in rib_add() to allows us to keep track of all of them.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
| -rw-r--r-- | zebra/zebra_rib.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index 59b693435d..deb434bd35 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -2472,7 +2472,12 @@ int rib_add(afi_t afi, safi_t safi, vrf_id_t vrf_id, int type, u_short instance, rtnh = re->nexthop; if (nexthop_same_no_recurse(rtnh, nh)) return 0; - else + /* + * Nexthop is different. Remove the old route unless it's + * a link-local route. + */ + else if (afi != AFI_IP6 + || !IN6_IS_ADDR_LINKLOCAL(&p->u.prefix6)) same = re; } |