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CPU Traffic Filter Configuration

Use the CPU Traffic Filter Configuration page to create, edit, or remove CPU traffic filters and to view summary information about the filters that exist on the device.

To access this page, click System > Advanced Configuration > CPU Traffic Filter > Filter Configuration in the navigation menu.

Use the buttons to perform the following tasks:
  • To edit an existing filter for a direction, select the entry to modify and click Edit.
  • To edit CPU traffic filters for both directions, select the Tx (transmitted) and Rx (received) checkboxes and click Edit.
  • To remove one or more configured filters, select each entry to delete and click Remove. You must confirm the action before the entry is deleted.
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CPU Traffic Filter Configuration Fields

Field Description
Direction Two software filters are used (one filter in each direction – Tx, Rx, or both) with condition matching as one, many or all in the below list in the specified direction.
Filter Specific filters for each direction. The filter options are:
Protocol: Specific protocol filters. The statistics and/or traces for configured filters are obtained for the packet matching the configured filter. The protocol options are:
  • STP
  • LACPDU
  • ARP
  • UDLD
  • LLDP
  • IP
  • OSPF
  • BGP
  • DHCP
  • BCAST
  • MCAST
  • UCAST
  • Source IP
  • Destination IP
  • Source MAC
  • Destination MAC
  • Custom
  • Source TCP
  • Destination TCP
  • Source UDP
  • Destination UDP
IP Address: Source or Destination IP address specific filter. The statistics and/or the traces for configured filters are obtained for the packet matching the configured Source / Destination IP/Mask.
MAC Address: Source / Destination MAC address specific filter. The statistics and/or the traces for configured filters are obtained for the packet matching configured Source / Destination MAC address.
Custom: Custom filter. The statistics and/or the traces for configured filters are obtained for the packet matching configured data at specific offset. If the mask is not specified, the default mask is 0xFF.
TCP Port: Source / Destination TCP Port specific filter. The statistics and/or the traces for configured filters are obtained for the packet matching configured Source / Destination TCP Port.
UDP Port: Source / Destination UDP Port specific filter. The statistics and/or the traces for configured filters are obtained for the packet matching configured Source / Destination UDP Port.

If you change any of the parameters, click Submit to apply the changes to the system. If you want the switch to retain the new values across a power cycle, you must save the configuration.

Published October 2018prev | next

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