Comment 8 for bug 1478662

Reviewed: https://review.opencontrail.org/12774
Committed: http://github.org/Juniper/contrail-vrouter/commit/163b8c0213c133f6ba43ce8ef2456ff3fdbf5fd2
Submitter: Zuul
Branch: R2.20

commit 163b8c0213c133f6ba43ce8ef2456ff3fdbf5fd2
Author: Divakar <email address hidden>
Date: Fri Jul 31 19:45:06 2015 +0530

Flooding Garp packet from fabric interface

In the allowed address pair scenario, to trap the Garp packets from VM,
the route is marked with T flag. But if the Gratuitous packet is from
fabric interface the packet needs to be given to VM's rather getting
trapped to Agent. Right now for all Garp packets, the route flag is
considered and if T is set, it is trapped to agent. This is leading to
Garp not getting flooded to VM's.

As a fix, Garp packets from fabric are always flooded.

Change-Id: I3731ae74df92c03edc0c95502d5984455992179c
closes-bug: #1478662