114 | Access Control Lists (ACLs)w w w . d e l l . c o m | s u p p o r t . d e l l . c o m TCP packets: To create a filter for TCP packets with a specified sequence number, use these commands inthe following sequence, starting in the CONFIGURATION mode:When you use the log keyword, CP processor logs details about the packets that match. Depending on howmany packets match the log entry and at what rate, the CP may become busy as it has to log these packets’details.UDP packets: To create a filter for UDP packets with a specified sequence number, use these commandsin the following sequence, starting in the CONFIGURATION mode:When you create the filters with a specific sequence number, you can create the filters in any order and thefilters are placed in the correct order.Step Command Syntax Command Mode Purpose1 ip access-list extendedaccess-list-nameCONFIGURATION Create an extended IP ACL and assign it aunique name.2 seq sequence-number{deny | permit} tcp{source mask | any |host ip-address}}[count [byte] | log ][order] [monitor][fragments]CONFIG-EXT-NACL Configure an extended IP ACL filter for TCPpackets.• log and monitor options are supported onE-Series only.Step Command Syntax Command Mode Purpose1 ip access-list extendedaccess-list-nameCONFIGURATION Create a extended IP ACL and assign it a uniquename.2 seqsequence-number{deny | permit}{ip-protocol-numberudp} {source mask |any | host ip-address}{destination mask |any | host ip-address}[operator port [port]][count [byte] | log ][order] [monitor][fragments]CONFIG-EXT-NACL Configure an extended IP ACL filter for UDPpackets.• log and monitor options are supported onE-Series only.Note: When assigning sequence numbers to filters, keep in mind that you might need to insert anew filter. To prevent reconfiguring multiple filters, assign sequence numbers in multiples of five oranother number.
