Configuring Multicast Vrf Routing - Cisco 7604 Configuration Manual
Ios software configuration guide
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Chapter 25
Configuring IPv4 Multicast VPN Support
To display information about the multicast routing table and tunnel interface for a particular MVRF, use
the show ip mroute vrf command. The following example shows typical output for a MVRF named
BIDIR01:
Router# show ip mroute vrf BIDIR01
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
Outgoing interface flags: H - Hardware switched
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 228.1.0.1), 00:16:25/stopped, RP 10.10.10.12, flags: SJCF
Incoming interface: Tunnel1, RPF nbr 10.10.10.12, Partial-SC
Outgoing interface list:
(6.9.0.100, 228.1.0.1), 00:14:13/00:03:29, flags: FT
Incoming interface: GigabitEthernet3/1.3001, RPF nbr 0.0.0.0, RPF-MFD
Outgoing interface list:
Router#
In this example, the show ip mroute vrf command shows that Tunnel1 is the MDT tunnel interface
Note
(MTI) being used by this VRF.
Configuring Multicast VRF Routing
These sections describe how to configure multicast routing to support MVPN:
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BGP should be already configured and operational on all routers that are sending or receiving multicast
Note
traffic. In addition, BGP extended communities must be enabled (using the neighbor send-community
both or neighbor send-community extended command) to support the use of MDTs in the network.
OL-4266-08
L - Local, P - Pruned, R - RP-bit set, F - Register flag,
T - SPT-bit set, J - Join SPT, M - MSDP created entry,
X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
Y - Joined MDT-data group, y - Sending to MDT-data group
GigabitEthernet3/1.3001, Forward/Sparse-Dense, 00:16:25/00:02:49, H
Tunnel1, Forward/Sparse-Dense, 00:14:13/00:02:46, H
Enabling IPv4 Multicast Routing Globally, page 25-16
Enabling IPv4 Multicast VRF Routing, page 25-16
Configuring a PIM VRF Register Message Source Address, page 25-16
Specifying the PIM VRF Rendezvous Point (RP) Address, page 25-17
Configuring a Multicast Source Discovery Protocol (MSDP) Peer, page 25-17
Enabling IPv4 Multicast Header Storage, page 25-18
Configuring the Maximum Number of Multicast Routes, page 25-18
Sample Configuration, page 25-19
Displaying IPv4 Multicast VRF Routing Information, page 25-20
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Configuring MVPN
25-15
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