Chapter 40
Configuring IP Unicast Routing
User Interface for PING
Beginning in privileged EXEC mode, follow these steps to configure VRF-aware services for ping. For
complete syntax and usage information for the commands, refer to the switch command reference for
this release and the Cisco IOS Switching Services Command Reference, Release 12.2.
Command
ping vrf vrf-name ip-host
User Interface for SNMP
Beginning in privileged EXEC mode, follow these steps to configure VRF-aware services for SNMP. For
complete syntax and usage information for the commands, refer to the switch command reference for
this release and the Cisco IOS Switching Services Command Reference, Release 12.2.
Command
Step 1
configure terminal
Step 2
snmp-server trap authentication vrf
Step 3
snmp-server engineID remote host vrf
vpn-instance engine-id string
Step 4
snmp-server host host vrf vpn-instance
traps community
Step 5
snmp-server host host vrf vpn-instance
informs community
Step 6
snmp-server user user group remote host
vrf vpn- instance security model
Step 7
end
User Interface for HSRP
HSRP support for VRFs ensures that HSRP virtual IP addresses are added to the correct IP routing table.
Beginning in privileged EXEC mode, follow these steps to configure VRF-aware services for HSRP. For
complete syntax and usage information for the commands, refer to the switch command reference for
this release and the Cisco IOS Switching Services Command Reference, Release 12.2.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
no switchport
Step 4
ip vrf forwarding vrf-name
Step 5
ip address ip- address
OL-9775-08
Purpose
Display the ARP table in the specified VRF.
Purpose
Enter global configuration mode.
Enable SNMP traps for packets on a VRF.
Configure a name for the remote SNMP engine on a switch.
Specify the recipient of an SNMP trap operation and specify the VRF
table to be used for sending SNMP traps.
Specify the recipient of an SNMP inform operation and specify the VRF
table to be used for sending SNMP informs.
Add a user to an SNMP group for a remote host on a VRF for SNMP
access.
Return to privileged EXEC mode.
Purpose
Enter global configuration mode.
Enter interface configuration mode, and specify the Layer 3 interface to
configure.
Remove the interface from Layer 2 configuration mode if it is a physical
interface.
Configure VRF on the interface.
Enter the IP address for the interface.
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
Configuring Multi-VRF CE
40-81