DM: IRB IP not configured for external l2_l3 VNs

[amit surana]

2 issues:

1. IRB interface IP address configuration is missing for external l2_l3 VNs.
2. Redundant terms are configured in firewall filter (for redirecting traffic from inet.0 to the right VRF).

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/13926
Submitter: Suresh Balineni (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/13926
Committed: http://github.org/Juniper/contrail-controller/commit/78df4e2498db8ea007d4d0f72bfb7e89b48fc4ea
Submitter: Zuul
Branch: R2.20

commit 78df4e2498db8ea007d4d0f72bfb7e89b48fc4ea
Author: sbalineni <email address hidden>
Date: Fri Sep 18 22:14:21 2015 -0700

DM: irb ip address allocation is required for external VN if fwd mode is l2_l3

And redundant filter terms should be removed for l2_l3 VN.

Change-Id: I6135781b082e81102116e3146b4f92e805f26335
Closes-Bug: #1497486

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/13932
Submitter: Suresh Balineni (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/13932
Committed: http://github.org/Juniper/contrail-controller/commit/99c218dc74dc3ad8299d80334dc48424cb0cecd5
Submitter: Zuul
Branch: master

commit 99c218dc74dc3ad8299d80334dc48424cb0cecd5
Author: sbalineni <email address hidden>
Date: Sun Sep 20 21:37:13 2015 -0700

DM: irb ip address allocation is required for external VN if fwd mode is l2_l3

- redundant filter terms should be removed for l2_l3 VN.
- irb interface has to be present for l3 vrf

Change-Id: I950ffb035be0a4a15a02133c24a618d3d972eb86
Closes-Bug: #1497486
Closes-Bug: #1497465