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| author | Igor Ryzhov <iryzhov@nfware.com> | 2021-08-26 13:07:55 +0300 |
|---|---|---|
| committer | mergify-bot <noreply@mergify.io> | 2021-08-26 13:42:01 +0000 |
| commit | 013575f52865b8114dd047dbe7fdfdf325c7640c (patch) | |
| tree | d3b6058bbb48cf708ef11d7078fc0bf885cfc5de | |
| parent | 7ed45c9a1751f435357a24099ba788d58e99bdd6 (diff) | |
bgpd: fix update-source for ipv6
There's no IPv6 LL address on loopback/vrf interfaces. So if the user
configures update-source, the session is never going to be established.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
(cherry picked from commit 2ebb354c415590dc28b07ab18b6d8f16c4f7b6aa)
| -rw-r--r-- | bgpd/bgp_zebra.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c index 3f8dc82a44..e2171e03b7 100644 --- a/bgpd/bgp_zebra.c +++ b/bgpd/bgp_zebra.c @@ -837,6 +837,12 @@ bool bgp_zebra_nexthop_set(union sockunion *local, union sockunion *remote, if (direct) v6_ll_avail = if_get_ipv6_local( ifp, &nexthop->v6_local); + /* + * It's fine to not have a v6 LL when using + * update-source loopback/vrf + */ + if (!v6_ll_avail && if_is_loopback_or_vrf(ifp)) + v6_ll_avail = true; } else /* Link-local address. */ { |