Cisco Cisco IOS Software Release 12.0(13)S7

This section provides the following examples for configuring and verifying Selective Multicast Virtual 
Route Forwarding (MVRF) downloading on provider edge routers:

Example of Verifying a Selective Multicast Virtual Route Forwarding (MVRF) Configuration

Router#config t

Router(config)#ip multicast-routing distributed

Router(config)ip multicast mdfs download all

Display the interfaces enabled for PIM on a line card for the vrf vpn1.

PE2#sh ip pim vrf vpn1 int co

State: * - Fast Switched, D - Distributed Fast Switched

       H - Hardware Switching Enabled

Address          Interface                FS  Mpackets In/Out

71.0.0.1         Tunnel0                  D   0/0

66.0.0.1         POS1/0.1                 D   0/0

Display the multicast route summary for the vrf vpn1 on the line card in slot on 1.

LC-Slot1#sh ip mds vrf vpn1 sum

 Master lc: 1, number of ifs in master lc: 1 

3 routes

IP multicast MDFS forwarding information and statistics:

Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group

       N - Not MDFS switchable, F - Not all MDFS switchable, O - OIF Null

       V - MVPN packets not MDFS switchable

       R - In-ratelimit, A - In-access, M - MTU mismatch, P - Register set

       C - In-CAR, J - Join SPT, L - Local

       Z - Multicast Tunnel

       Y - Joined MDT-data group, y - Sending to MDT-data group

Interface state: Interface, Next-Hop, Mac header

(*, 227.0.1.1), 

  Incoming interface: Null

  Pkts: 0, uptime: 00:33:19, last used: never, Kbps: 0, fast-flags: DNM

(*, 227.0.1.2), 

  Incoming interface: Null

  Pkts: 0, uptime: 00:33:19, last used: never, Kbps: 0, fast-flags: DNM

(*, 224.0.1.40), 

  Incoming interface: Null

  Pkts: 0, uptime: 00:33:19, last used: never, Kbps: 0, fast-flags: DNML

Display the multicast route summary for the vrf vpn1 on the line card in slot on 6.