From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Thu, 15 Sep 2016 13:03:51 +0000 (-0400)
Subject: pimd: Allow loopbacks to resolve
X-Git-Tag: frr-3.0-branchpoint~64^2~10^2~219
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=690324215e276a2edae4143f1909a04265b4fe04;p=matthieu%2Ffrr.git

pimd: Allow loopbacks to resolve

When doing a rpf check ensure that
if we've considered the RP to be a loopback
allow there to be no neighbor on the other
side.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/pimd/pim_zlookup.c b/pimd/pim_zlookup.c
index d269c04254..636552abd7 100644
--- a/pimd/pim_zlookup.c
+++ b/pimd/pim_zlookup.c
@@ -407,7 +407,7 @@ zclient_lookup_nexthop (struct pim_zlookup_nexthop nexthop_tab[],
 
 	  ifp = if_lookup_by_index_vrf (nexthop_tab[i].ifindex, VRF_DEFAULT);
 	  nbr = pim_neighbor_find (ifp, nexthop_tab[i].nexthop_addr.u.prefix4);
-	  if (!nbr)
+	  if (ifp->info && !nbr && !if_is_loopback (ifp))
 	    {
 	      num_ifindex--;
 	      if (i != num_ifindex)