mpls traffic-eng srlg

Use this command to create a Shared Risk Link Group (SRLG). An SRLG uses secondary backup LSPs or Fast Reroute bypass/detour LSPs that minimize the probability of "fate sharing" with the path of the primary LSP.

Use the no form of this command to remove an SRLG.

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An interface can be part of multiple SRLG groups upto a maximum of 255 SRLG groups.

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Any addition or deletion of SRLG value on an interface will update the SRLG values on the session only after the next re-optimization expiry. It is advised to configure re-optimization configuration on the tunnel to support dynamic update of SRLG values.

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IS-IS supports a maximum of eight risk-groups; configuring more than eight risk-groups is not recommended.

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OSPF supports up to 255 risk-groups.

Command Syntax:

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mpls traffic-eng srlg <0-4294967295>
no mpls traffic-eng srlg <0-4294967295>

Parameters

<0-4294967295>

Risk group number

Command Mode

Interface mode

Example

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#configure terminal
(config)#int eth1 
(config-if)#mpls traffic-eng srlg 1