-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Justin Shore wrote: > I have a situation with IS-IS that's perplexing me. I have a pair of > core routers connected via an etherchannel. The etherchannel is also a > 1Q trunk. The core routers have both routed connections to other > routers as well as common VLANs w/ HSRP for non-router devices. My > intention was to build and IS-IS adjacency over the native VLAN on the > trunk. However I noticed that both routers are building adjacencies > over 3 different VLANs that are permitted over that trunk. All 3 SVIs > have IS-IS enabled on them. > > I'm assuming that I probably shouldn't have IS-IS enabled on the SVIs > but is redistributing connected interfaces that appropriate solution? > I'm trying to eliminate as much redistribution as possible. Is there a > better way to handle this? I do need L2 between the chassis for the > non-routed links. >
If your IOS version supports it, you could use the "advertise-passive-only" option in IS-IS. http://tools.cisco.com/Support/CLILookup/cltSearchAction.do?Application_ID=CLT&IndexId=IOS&IndexOptionId=123&SearchPhrase=%22passive%22&Paging=25&ActionType=getCommandList&Bookmark=True - -- ========= bep -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGxLdNE1XcgMgrtyYRAhv6AJ9owp4MnlDB+mVZ0vZhNfl6YKuGygCg85PR 7ZJEokvmucUJOBZPlpTKFNw= =E2yQ -----END PGP SIGNATURE----- _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
