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reverse-path-check
Checks if the egress router advertises an adjacency with the router-ID of this router.
Syntax: reverse-path-check {enable | disable}
Description: Reverse path check functionality only uses tunnels if the egress router advertises an adjacency with the router-ID of this node. If the egress router does not advertise an adjacency, the tunnel will not be used. Reverse path check can be enabled in tunnel default, tunnel name, or tunnel parameters command mode.
Use the reverse-path-check enable command to enable reverse path check for this tunnel context.
Use the reverse-path-check disable command to remove a reverse path check specification within this tunnel context.
Factory Default: Disabled.
Command Mode: Traffic engineering parameter-set, traffic engineering tunnel-default, and traffic engineering tunnel-name.
Example: In the following example:
- The mpls te isis command enables MPLS using the IS-IS IGP.
- Entering tunnel name command mode for the test1 tunnel, 192.20.20.20 is configured as the egress for the tunnel.
- Reverse path check is enabled for this tunnel.
router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
router(config)#mpls te isis
router(config-te)#tunnel test1
router(config-te-tunnel)#egress 192.20.20.20
router(config-te-tunnel)#reverse-path-check enable
router(config-te-tunnel)#end
router#
Related Commands: None.
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are
trademarks of Avici Systems Inc.
Source
File Name: TE%20Commands.fm
HTML File Name: TE%20Commands58.html
Last Updated: 12/19/04 at 14:56:07