Use the show command to display a list of exception filters. The show command is available from the topology:<named-topology>:l3:exceptions context of the CLI for b@ac, physical, and routed topologies.
In the show command output, the (I) indicates that the exception filter is an internal (read-only) filter that has been pre-defined.
None
The following example displays the exception filters for the r1 topology.
EWC.extremenetworks.com:topology:r1:l3:exceptions# show Exception filter(I): 1027 proto tcp 11.11.11.17 255.255.255.255 port 60606 both deny Exception filter(I): 1028 proto tcp 0.0.0.0 255.255.255.255 port 50200 both deny Exception filter(I): 1029 proto tcp 11.11.11.17 255.255.255.255 port 32768 65535 both allow Exception filter(I): 1030 proto udp 11.11.11.17 255.255.255.255 port 32768 65535 both allow Exception filter(I): 1031 proto udp 11.11.11.17 255.255.255.255 port 67 both allow Exception filter(I): 1032 proto udp 255.255.255.255 255.255.255.255 port 67 both allow Exception filter(I): 1033 proto icmp 11.11.11.17 255.255.255.255 port 0 255 both allow Exception filter(I): 1034 proto none 0.0.0.0 both deny