topic Re: ISIS ACL in Network Security https://community.cisco.com/t5/network-security/isis-acl/m-p/686429#M1026169 <HTML><HEAD></HEAD><BODY><P>The ISIS protocol use protocol identifier of 0x83, it is a layer 2 identifier. IS-IS does not run over IP. You would need to use an ACL in the 200-299 range, matching on the L2 Protocol type. </P><P></P><P>You might look into the CLNS filters to do this.... 'clns filter-expr' and 'clns filter-set'.</P><P></P><P>Refer this link:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/ps6350/products_command_reference_chapter09186a0080449b9a.html#wp1018279" target="_blank">http://www.cisco.com/en/US/products/ps6350/products_command_reference_chapter09186a0080449b9a.html#wp1018279</A></P><P></P></BODY></HTML> Mon, 19 Feb 2007 19:46:02 GMT sbilgi 2007-02-19T19:46:02Z ISIS ACL https://community.cisco.com/t5/network-security/isis-acl/m-p/686428#M1026168 <P>I'd like to know how can I configure a ACL to permit the isis routing protocol?</P><P></P><P>In the acl there is no ISIS like OSPF</P> Mon, 11 Mar 2019 09:32:58 GMT https://community.cisco.com/t5/network-security/isis-acl/m-p/686428#M1026168 azago 2019-03-11T09:32:58Z Re: ISIS ACL https://community.cisco.com/t5/network-security/isis-acl/m-p/686429#M1026169 <HTML><HEAD></HEAD><BODY><P>The ISIS protocol use protocol identifier of 0x83, it is a layer 2 identifier. IS-IS does not run over IP. You would need to use an ACL in the 200-299 range, matching on the L2 Protocol type. </P><P></P><P>You might look into the CLNS filters to do this.... 'clns filter-expr' and 'clns filter-set'.</P><P></P><P>Refer this link:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/ps6350/products_command_reference_chapter09186a0080449b9a.html#wp1018279" target="_blank">http://www.cisco.com/en/US/products/ps6350/products_command_reference_chapter09186a0080449b9a.html#wp1018279</A></P><P></P></BODY></HTML> Mon, 19 Feb 2007 19:46:02 GMT https://community.cisco.com/t5/network-security/isis-acl/m-p/686429#M1026169 sbilgi 2007-02-19T19:46:02Z