PurposeCommand or Action
The default MTU for PIM/GRE MDT is 1376 and
the default value for mLDP/P2MP-TE MDT is 9000
for Multicast VPN.
Note
mdt mtu 1550
Enables multicast routing and forwarding on all new and
existing interfaces.
interface all enable
Example:
RP/0/RP0/CPU0:router(config-mcast-default-ipv4)#
Step 12
interface all enable
commit
Step 13
Specifying the PIM VRF Instance
If you are configuring Protocol Independent Multicast in sparse mode (PIM-SM) in the MVPN, you may also
need to configure a rendezvous point (RP). This task specifies the optional PIM VPN instance.
SUMMARY STEPS
1.
configure
2.
router pim vrf vrf-name address-family {ipv4 | ipv6}
3.
rp-address ip-address [group-access-list-name] [bidir] [override]
4.
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Enters PIM address-family configuration submode and
configures the PIM VRF for either an IPv4 or IPv6 address
family.
router pim vrf vrf-name address-family {ipv4 |
ipv6}
Example:
RP/0/RP0/CPU0:router(config)# router pim vrf
Step 2
vrf_A address-family ipv4
Configures the PIM rendezvous point (RP) address:
rp-address ip-address [group-access-list-name]
[bidir] [override]
Step 3
•
group-access-list-name = Specifies an access list of
groups to be mapped to a given RP.
Example:
RP/0/RP0/CPU0:router(config-pim-vrf_A-ipv4)#
•
bidir = Specifies a bidirectional RP.
rp-address 10.0.0.0
•
override = Specifies that a static RP configuration should
override auto-RP and the bootstrap router (BSR).
Cisco IOS XR Multicast Configuration Guide for the Cisco CRS Router, Release 5.2.x
104
Implementing Multicast Routing on Cisco IOS XR Software
Configuring Multicast VPN
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