Full Scale lab 3 Multicast 6.1

Mehdi

Hi Guys,

I am not sure if I am missing something here or not.any assistance appreciated .

XR2 cannot see RP (10.0.0.1 on R1)  through BSR and the output is empty on XR2 ??

R8 can see RP via the GRE Tunnel back to R7.full pim adjacency is established bothway between  XR2 and R8 in vrf ONE.no sign of RPF failure on XR2 as RP 's adress is learnt via bgp only through the interface btw XR2 and R8.

 

       R7<---PIM over GRE---->R8 <---PIM ---->XR2 <---PIM -->R6

 

 

R8#show ip pim vrf ONE neighbor 

PIM Neighbor Table

Mode: B - Bidir Capable, DR - Designated Router, N - Default DR Priority,

      P - Proxy Capable, S - State Refresh Capable, G - GenID Capable

Neighbor          Interface                Uptime/Expires    Ver   DR

Address                                                            Prio/Mode

10.7.8.7          Tunnel78                 00:03:35/00:01:36 v2    1 / S P G

 

10.8.20.20        FastEthernet0/0.820      00:05:17/00:01:29 v2    1 / DR G

R8#show ip pim vrf ONE rp mapping 

PIM Group-to-RP Mappings

 

Group(s) 224.0.0.0/4

  RP 10.0.0.1 (?), v2

    Info source: 10.0.0.1 (?), via bootstrap, priority 0, holdtime 150

         Uptime: 00:10:51, expires: 00:01:36

RP/0/3/CPU0:XR2#show pim neighbor 

10.0.0.20*                   Loopback0              00:34:34  00:01:44 1 (DR) B P

10.6.20.6                    GigabitEthernet0/4/0/0.620 00:33:34  00:01:36 1      P

10.6.20.20*                  GigabitEthernet0/4/0/0.620 00:34:33  00:01:18 1 (DR) B P

10.8.20.8                    GigabitEthernet0/4/0/0.820 00:33:51  00:01:22 1      P

10.8.20.20*                  GigabitEthernet0/4/0/0.820 00:34:33  00:01:31 1 (DR) B P

RP/0/3/CPU0:XR2# show pim rpf hash 10.0.0.1  

Table: IPv4-Unicast-default

Multipath RPF selection is disabled.

RPF next-hop neighbor selection result:

    GigabitEthernet0/4/0/0.820,10.8.20.8

 

 

RP/0/3/CPU0:XR2#show pim range-list

 

config SSM Exp: never Learnt from : 0.0.0.0

 

  232.0.0.0/8 Up: 1w0d

Mud

EDIT: woops, didn't catch one of your outputs before posting. 

Mehdi

I configured thd full lab from scratch.this time worked for some reason ,

apedersen

I did exprience that the XR has some issue with learning the BSR, due to past configued labs, holding the old BSR information, my work-a-round where to increase the priority of the BSR advertiment to a high value, 100 or above then the BSR would learn them without any issue.

Regarding this specific task, when i hit the issue first time i did a reload of R8 after configured it all, when R8 came back up XR2 learn the BSR.

-Anders, CCIE #42544 (SP)

Alessio

Did you write down the static mroute on R8 pointing to XR2 and R6 where the BSR Router is?

 

R8:

ip mroute vrf ONE 10.0.0.1 255.255.255.255 Tunnel 78

 

Take care

Alessio