Cisco IE-4000 Software Configuration Manual page 898

Configuring IP Unicast Routing
Configuring Multi-VRF CE
DETAILED STEPS
Command
1. configure terminal
2. interface interface-id
3. no bfd echo
4. exit
5. bfd slow-timer [milliseconds]
6. end
7. show bfd neighbors detail
8. copy running-config
startup-config
To reenable echo mode on the switch, enter the bfd echo global configuration command.
EXAMPLE
The following example disables echo mode between BFD neighbors:
Switch# configure terminal
Switch(config)# interface Ethernet 0/1
Switch(config-if)# no bfd echo
Configuring Multi-VRF CE
Virtual Private Networks (VPNs) provide a secure way for customers to share bandwidth over an ISP backbone network.
A VPN is a collection of sites sharing a common routing table. A customer site is connected to the service-provider
network by one or more interfaces, and the service provider associates each interface with a VPN routing table, called a
VPN routing/forwarding (VRF) table.
The switch supports multiple VPN routing/forwarding (multi-VRF) instances in customer edge (CE) devices (multi-VRF
CE). With multi-VRF CE, a service provider can support two or more VPNs with overlapping IP addresses.
Note: The switch does not use Multiprotocol Label Switching (MPLS) to support VPNs. For information about MPLS VRF,
refer to the MPLS: Layer 3 VPNs Configuration Guide, Cisco IOS Release

Information About Multi-VRF CE, page 895

Default Multi-VRF CE Configuration, page 896

Multi-VRF CE Configuration Guidelines, page 896

Configuring VRFs, page 897

Configuring VRF-Aware Services, page 898

Configuring a VPN Routing Session, page 903

Configuring BGP PE to CE Routing Sessions, page 904

Displaying Multi-VRF CE Status, page 905
Purpose
Enter global configuration mode.
Enter a BFD interface and enter interface configuration mode.
Disable BFD echo mode on the interface. It is enabled by default,
but can be disabled independently on BFD neighbors.
Return to global configuration mode.
(Optional) Configure a BFD slow-timer value. The range is from
1000 to 30000 milliseconds. The default is 1000 milliseconds.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
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