Cisco Cisco Expressway Maintenance Manual
n
return traffic from that destination back to the same Expressway IP port.
Remote listening ports
The
Remote listening ports
page (
Maintenance > Tools > Port usage > Remote listening ports
)
shows the destination IP addresses and IP ports of remote systems with which the Expressway
communicates.
communicates.
Your firewall must be configured to allow traffic originating from the local Expressway to the remote devices
identified by the IP addresses and IP ports listed on this page.
identified by the IP addresses and IP ports listed on this page.
Note: there are other remote devices not listed here to which the Expressway will be sending media and
signaling, but the ports on which these devices receive traffic from the Expressway is determined by the
configuration of the destination device, so they cannot be listed here. If you have opened all the ports listed in
the
signaling, but the ports on which these devices receive traffic from the Expressway is determined by the
configuration of the destination device, so they cannot be listed here. If you have opened all the ports listed in
the
only need to use the information on this page if you want to limit the IP ports opened on your firewall to these
remote systems and ports.
remote systems and ports.
Cisco Expressway Administrator Guide (X8.5.2)
Page 247 of 403
Maintenance
Port usage