Debug Commands

Debug Commands
debug commands display only the information of the packets that hit the Control Plane (CP). Information of the packets that are short-circuited in the NPs are not displayed on the CP.

One of the most important debug commands is the following:

FWSM# debug icmp trace



With this ICMP debug command, FWSM shows only the messages for pings to the FWSM interfaces, and not for pings through the FWSM to other hosts. If you are connected to the FWSM with Telnet/SSH, and want to display the debug messages on the monitor for the connectivity problem from a host to the FWSM interface, use the following commands: