Configuring Make Before Break Delay And Delete - Cisco ASR 9000 Series Configuration Manual

Implementing Layer-3 Multicast Routing on Cisco IOS XR Software
Command or Action
Step 8
mldp
Example:
RP/0/RSP0/CPU0:router(config-ldp)# mldp
Step 9 address-family ipv4
Example:
RP/0/RSP0/CPU0:router(config-ldp-mldp-af)#
address-family ipv4
Step 10
forwarding recursive
Example:
RP/0/RSP0/CPU0:router(config-ldp-mldp-af)#
forwarding recursive
Step 11
make-before-break delay {seconds}
Example:
RP/0/RSP0/CPU0:router(config-ldp-mldp-af)#
make-before-break delay 60
Step 12
commit
Example Configuration Example of MBB for LFA FRR
mpls ldp
log
neighbor
nsr
graceful-restart
!
mldp
address-family ipv4
forwarding recursive
make-before-break delay 60
!
!

Configuring Make Before Break Delay and Delete

By default, MBB is set to 10 seconds. You can configure different MBB timing to determine when the merge
node starts to accept the new label.
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 6.0.x
MLDP Loop-Free Alternative Fast Reroute
Purpose
Enters the MLDP sub mode under the LDP sub
mode.
Enters the Address Family sub mode under the
MLDP sub mode.
Enables LFA FRR.
Sets the make-before-break delay to the specified
number of seconds.
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