Disabling Echo Mode On A Router; Disabling Echo Mode On An Individual Interface Or Bundle - Cisco ASR 9000 Series Routing Configuration Manual

Implementing BFD
• BFD with uRPF (IPv4)
• To support rack reload and online insertion and removal (OIR) when a BFD bundle interface has member
You can disable echo mode for BFD on the entire router, or for a particular interface.

Disabling Echo Mode on a Router

To disable echo mode globally on the router complete the following steps:
DETAILED STEPS
SUMMARY STEPS
1. configure
2. bfd
3. echo disable
4. commit
DETAILED STEPS
Command or Action
Step 1
configure
Step 2
bfd
Example:
RP/0/RSP0/CPU0:router(config)# bfd
Step 3 echo disable
Example:
RP/0/RSP0/CPU0:router(config-bfd)# echo disable
Step 4
commit

Disabling Echo Mode on an Individual Interface or Bundle

The following procedures describe how to disable echo mode on an interface or bundle .
links that span multiple racks.
Note BFD echo mode is automatically disabled for BFD on physical interfaces when the
minimum interval is greater than two seconds. The minimum interval does not affect
echo mode on BFD bundle member links. BFD echo mode is also automatically disabled
for BFD on bundled VLANs and IPv6 (global and link-local addressing).
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
Disabling Echo Mode
Purpose
Enters BFD configuration mode.
Disables echo mode on the router.
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