SUMMARY STEPS
1. configure
2. interface tunnel-te interface-number
3. bfd dampening initial-wait milliseconds
4. bfd dampening maximum-wait milliseconds
5. bfd dampening secondary-wait milliseconds
6. commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Configures MPLS Traffic Engineering (MPLS TE) tunnel
interface and enters into MPLS TE tunnel interface
configuration mode.
interface tunnel-te interface-number
Example:
RP/0/RP0/CPU0:router(config)#interface tunnel-te
65535
Step 2
Configures the initial delay interval before bringing up the
tunnel.
bfd dampening initial-wait milliseconds
Example:
Step 3
The initial-wait bring up delay time interval range is 1 to
518400000 milliseconds. Default initial-wait interval is
16000 milliseconds.
RP/0/RP0/CPU0:router(config-if)#bfd dampening
initial-wait 360000
This option brings up the TE tunnel with the
previous signaled bandwidth.
Note
Configures the maximum delay interval before bringing up
the tunnel.
bfd dampening maximum-wait milliseconds
Example:
Step 4
The maximum-wait bring up delay time interval range is 1
to 518400000 milliseconds. Default initial-wait interval is
600000 milliseconds.
RP/0/RP0/CPU0:router(config-if)#bfd dampening
maximum-wait 700000
This option brings up the TE tunnel with the
configured bandwidth.
Note
Configures the secondary delay interval before bringing up
the tunnel.
bfd dampening secondary-wait milliseconds
Example:
Step 5
The secondary-wait bring up delay time interval range is 1
to 518400000 milliseconds. Default secondary-wait interval
is 20000 milliseconds.
RP/0/RP0/CPU0:router(config-if)#bfd dampening
secondary-wait 30000
commit
Step 6
What to do next
Configure periodic LSP ping option.
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
163
Implementing BFD
Configuring BFD Dampening for TE Tunnels
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