You can use the Mapping Filters to block particular users or IP addresses from being monitored by the Cisco CDA.
You can create filters and specify user names, IP addresses or both. The Cisco CDA will ignore mapping updates with the specified users and/or IP addresses, and will not collect mapping data from those updates. The data for the filtered users/IP addresses will not be cashed by the Cisco CDA. Hence, it will not be listed on the IP-to-Identity mapping page, nor will it be distributed to consumer devices.
To create Mapping filters, complete the following steps:
The Mapping Filters Configuration dialog box is displayed.
3. Fill in the following details:
• Username—Username of the device that needs to be blocked.
• IP Address—IP address of the device that needs to be blocked.
• Apply on existing mappings—Check this check box if you want the filter to apply on the existing IP-to-user-identity mapping records.