I would recheck the configuration of the port since you typically need to explicitly enable ISIS on the interface.
Aaron On Jan 18, 2008 9:49 AM, Oliver Boehmer (oboehmer) <[EMAIL PROTECTED]> wrote: > Agree with Rubens. If you absolutely need to run IS-IS on a Vlan where > you also have hosts which you don't have control over (which is a very > bad idea), enable IS-IS authentication.. > > oli > > Rubens Kuhl Jr. <> wrote on Friday, January 18, 2008 3:29 PM: > > > IS-IS is carried by OSI, not IP; you should try finding the ethertype > > it's using (maybe 00FE or FEFE) and use a MAC ACL to filter the OSI > > traffic. > > > > Converting to an IP routerport without IS-IS attached would achieve > > better isolation, is it possible on this scenario ? We strongly prefer > > to use routerports on connections to customers/peers/upstreams, and > > even there we filter IP multicast traffic. > > > > > > Rubens > > > > > > > > On Jan 18, 2008 9:39 AM, Ulysses Maciel da Costa > > <[EMAIL PROTECTED]> wrote: > >> Hi, > >> > >> > >> I have a vlan in my router's switchport, and I receive a link from > >> other company. Last week my network goes down. I analyze my network > >> and saw a lot of IS-IS packets. By the way, my routes inside this > >> vlan are static. I've tried to create an ACL inside my vlan to block > >> these IS-IS packets attached with his ports(2042,2043), without > >> success. > >> > >> > >> > >> Someone could help me to do an efficient ACL to block this traffic? > >> > >> > >> > >> > >> > >> _______________________________________________ > >> cisco-nsp mailing list cisco-nsp@puck.nether.net > >> https://puck.nether.net/mailman/listinfo/cisco-nsp > >> archive at http://puck.nether.net/pipermail/cisco-nsp/ > >> > > _______________________________________________ > > cisco-nsp mailing list cisco-nsp@puck.nether.net > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/