tests: Add new pim mrib tests

Test mrib overrides and rpf lookup mode changes.

Signed-off-by: Nathan Bahr <nbahr@atcorp.com>

tests/topotests/pim_mrib/r1/frr.conf

@@ -0,0 +1,28 @@
+!
+hostname r1
+password zebra
+log file /tmp/r1-frr.log
+!
+!debug pim nht
+!debug pim nht detail
+!debug pim nht rp
+!
+interface r1-eth0
+ ip address 10.0.0.1/24
+ ip igmp
+ ip pim
+!
+interface r1-eth1
+ ip address 10.0.1.1/24
+ ip igmp
+ ip pim
+!
+ip forwarding
+!
+ip route 10.0.2.0/24 10.0.0.2 50
+ip route 10.0.3.0/24 10.0.1.3 50
+!
+router pim
+ rpf-lookup-mode mrib-then-urib
+ rp 10.0.0.1 224.0.0.0/4
+!

tests/topotests/pim_mrib/r2/frr.conf

@@ -0,0 +1,28 @@
+!
+hostname r2
+password zebra
+log file /tmp/r2-frr.log
+!
+!debug pim nht
+!debug pim nht detail
+!debug pim nht rp
+!
+interface r2-eth0
+ ip address 10.0.0.2/24
+ ip igmp
+ ip pim
+!
+interface r2-eth1
+ ip address 10.0.2.2/24
+ ip igmp
+ ip pim
+!
+ip forwarding
+!
+ip route 10.0.1.0/24 10.0.0.1 50
+ip route 10.0.3.0/24 10.0.2.4 50
+!
+router pim
+ rpf-lookup-mode mrib-then-urib
+ rp 10.0.0.1 224.0.0.0/4
+!

tests/topotests/pim_mrib/r3/frr.conf

@@ -0,0 +1,28 @@
+!
+hostname r3
+password zebra
+log file /tmp/r3-frr.log
+!
+!debug pim nht
+!debug pim nht detail
+!debug pim nht rp
+!
+interface r3-eth0
+ ip address 10.0.1.3/24
+ ip igmp
+ ip pim
+!
+interface r3-eth1
+ ip address 10.0.3.3/24
+ ip igmp
+ ip pim
+!
+ip forwarding
+!
+ip route 10.0.0.0/24 10.0.1.1 50
+ip route 10.0.2.0/24 10.0.3.4 50
+!
+router pim
+ rpf-lookup-mode mrib-then-urib
+ rp 10.0.0.1 224.0.0.0/4
+!

tests/topotests/pim_mrib/r4/frr.conf

@@ -0,0 +1,29 @@
+!
+hostname r4
+password zebra
+log file /tmp/r4-frr.log
+!
+debug pim nht
+debug pim nht detail
+debug pim nht rp
+debug zebra rib detail
+!
+interface r4-eth0
+ ip address 10.0.2.4/24
+ ip igmp
+ ip pim
+!
+interface r4-eth1
+ ip address 10.0.3.4/24
+ ip igmp
+ ip pim
+!
+ip forwarding
+!
+ip route 10.0.0.0/24 10.0.2.2 50
+ip route 10.0.1.0/24 10.0.3.3 50
+!
+router pim
+ rpf-lookup-mode mrib-then-urib
+ rp 10.0.0.1 224.0.0.0/4
+!