Cisco Catalyst 3560-X Series, Software Configuration Manual

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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Configuring IP Unicast Routing
Configuring Multi-VRF CE
Configuring Multicast VRFs
Beginning in privileged EXEC mode, follow these steps to configure a multicast within a VRF table. For
complete syntax and usage information for the commands, see the switch command reference for this
release and the
Cisco IOS Switching Services Command Reference, Release 12.4 .
For more information about configuring a multicast within a Multi-VRF CE, see the Cisco IOS IP
Multicast Configuration Guide, Release 12.4 .
Configuring a VPN Routing Session
Routing within the VPN can be configured with any supported routing protocol (RIP, OSPF, EIGRP, or
BGP) or with static routing. The configuration shown here is for OSPF, but the process is the same for
other protocols.
Note To configure an EIGRP routing process to run within a VRF instance, you must configure an
autonomous-system number by entering the
autonomous-system a utonomous-system-number
address-family configuration mode command.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
ip routing Enable IP routing mode.
Step 3 ip vrf vrf-name Name the VRF, and enter VRF configuration mode.
Step 4 rd route-distinguisher Create a VRF table by specifying a route distinguisher. Enter either an
AS number and an arbitrary number (xxx:y) or an IP address and an
arbitrary number (A.B.C.D:y)
Step 5
route-target { export | import | both }
route-target-ext-community
Create a list of import, export, or import and export route target
communities for the specified VRF. Enter either an AS system number
and an arbitrary number (xxx:y) or an IP address and an arbitrary
number (A.B.C.D:y). The
route-target-ext-community should be the
same as the route-distinguisher entered in Step 4.
Step 6
import map route-map (Optional) Associate a route map with the VRF.
Step 7 ip multicast-routing vrf vrf - name
distributed
(Optional) Enable global multicast routing for VRF table.
Step 8 interface interface-id Specify the Layer 3 interface to be associated with the VRF, and enter
interface configuration mode. The interface can be a routed port or an
SVI.
Step 9
ip vrf forwarding vrf-name Associate the VRF with the Layer 3 interface.
Step 10
ip address ip-address mask Configure IP address for the Layer 3 interface.
Step 11 ip pim sparse-dense mode Enable PIM on the VRF-associated Layer 3 interface.
Step 12 end Return to privileged EXEC mode.
Step 13
show ip vrf [ brief | detail | interfaces ]
[ vrf-name ]
Verify the configuration. Display information about the configured
VRFs.
Step 14
copy running-config startup-config (Optional) Save your entries in the configuration file.