Cisco Cisco IOS Software Release 12.0(13)S7
MPLS Safe Label Reuse After Router Restart
How to Configure MPLS Safe Label Reuse Parameters
8
Cisco IOS Release 12.0(32)SY
DETAILED STEPS
Reenabling MPLS Safe Label Reuse
Perform the following task to reenable MPLS safe label reuse after a router restart. You might want to
reenable the MPLS Safe Label Reuse feature if after disabling the feature you judge that your network
might be susceptible to temporary unsafe label reuse and that the risk is not acceptable.
reenable the MPLS Safe Label Reuse feature if after disabling the feature you judge that your network
might be susceptible to temporary unsafe label reuse and that the risk is not acceptable.
Prerequisites
You must be using Cisco IOS Release 12.0(32)SY or a later release that supports the MPLS Safe Label
Reuse After Router Restart feature.
Reuse After Router Restart feature.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
mpls label restart
4.
no unsafe
5.
end
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter your password if prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
mpls label restart
Example:
Router(config)# mpls label restart
Enters mpls-label-restart configuration mode to configure
parameter settings that govern MPLS label usage following
a router restart.
parameter settings that govern MPLS label usage following
a router restart.
Step 4
unsafe
Example:
Router(mpls-label-restart)# unsafe
Disables the mechanism that prevents unsafe MPLS label
reuse after a router restart.
reuse after a router restart.
Step 5
end
Example:
Router(mpls-label-restart)# end
Exits to privileged EXEC mode.