Cisco Cisco Expressway Maintenance Manual
Service/
function
function
Purpose
Destination port
(default)
(default)
Configurable via
NTP
System time updates.
123 UDP
System > Time
LDAP account
authentication
authentication
LDAP queries for login account
authentication.
authentication.
389 / 636 TCP
Users > LDAP
configuration
configuration
Incident reporting
Sending application failure details.
443 TCP
Maintenance >
Diagnostics > Incident
reporting > Configuration
Diagnostics > Incident
reporting > Configuration
Remote logging
Sending messages to the remote
syslog server.
syslog server.
514 UDP
6514 TCP
6514 TCP
Maintenance > Logging
Neighbors (H.323)
H.323 connection to a neighbor zone.
1710 UDP
Configuration > Zones
Neighbors (SIP)
SIP connection to a neighbor zone.
5060 / 5061 TCP
Configuration > Zones
Traversal zone (H.323)
H.323 connection to a traversal server.
6001 UDP
Configuration > Zones
Traversal zone (SIP)
SIP connection to a traversal server.
7001 TCP
Configuration > Zones
System Metrics
Collection
Collection
Publishing metrics to a remote
analytics server
analytics server
25826 UDP
Maintenance > Logging
TURN media relay
Range of ports available for TURN
media relay.
media relay.
24000 – 29999
UDP
UDP
Configuration > Traversal
> TURN (on Expressway-E)
> TURN (on Expressway-E)
Table 11 Remote listening ports (continued)
Mobile and Remote Access Port Reference
This section summarizes the ports that could potentially be used between your internal network (where the
Expressway-C is located) and the DMZ (where the Expressway-E is located) and between the DMZ and the public
internet.
Expressway-C is located) and the DMZ (where the Expressway-E is located) and between the DMZ and the public
internet.
Outbound from Expressway-C (private) to Expressway-E (DMZ)
Purpose
Protocol
Expressway-C (source)
Expressway-E (listening)
XMPP (IM and Presence)
TCP
Ephemeral port
7400
SSH (HTTP/S tunnels)
TCP
Ephemeral port
2222
Traversal zone SIP signaling
TLS
25000 to 29999
7001
Traversal zone SIP media
(for small/medium systems on X8.1 or
later)
later)
UDP
36000 to 59999*
36000 (RTP), 36001
(RTCP) (defaults)
(RTCP) (defaults)
Traversal zone SIP media
(for large systems)
UDP
36000 to 59999*
36000 to 36011 (6 pairs of
RTP and RTCP ports for
multiplexed media
traversal)
RTP and RTCP ports for
multiplexed media
traversal)
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Cisco Expressway Administrator Guide