Configuring Pcap Capture Filters - Avaya 8800 Troubleshooting Manual

Software troubleshooting tool configuration using CLI

Configuring PCAP capture filters

Use capture filters to better define the match criteria used on packets.
Avaya recommends using PCAP with IP or MAC filters to reduce the load on the PCAP
engine.
To create a functional capture filter that captures specific packets, create two filters. Use one
filter to capture specific packets, and another filter to drop all other packets.
Procedure steps
1. Create a capture filter:
2. Configure the filter action:
3. Use the following variable definitions table to define the match parameters; for
4. Enable the filter:
5. Ensure the configuration is correct:
Variable definitions
Use the information in the following table to use the config diag pcap capture-filter
<listid> command.
action <capture|drop|
trigger-on| trigger-
off>
168 Troubleshooting
config diag pcap capture-filter <list-id> create
config diag pcap capture-filter <list-id> action <capture|
drop|trigger-on|trigger-off>
example:
config diag pcap capture-filter <list-id> dscp 60 to 63
config diag pcap capture-filter <list-id> enable true
config diag pcap capture-filter <list-id> info
show diag pcap capture-filter [id <value>]
Variable
Comments? infodev@avaya.com
Determines the action taken by the filter.
• capture indicates that the packet is captured.
• drop indicates that the packet is dropped.
Value
July 2013