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Nortel WLAN—Security Switch 2300 Series Configuration Guide
Appendix A: Traffic ports used by
WSS software
When deploying a Nortel wireless network, you might attach Nortel equipment to subnets that have firewalls or access
controls between them. Nortel equipment uses various protocol ports to exchange information. To ensure full operation
of your network, make sure the equipment can exchange information on the ports listed in Table 1.
Roaming traffic uses IP tunnels, encapsulated with IP protocol 4.
To list the TCP port numbers in use on a WSS, including those for the other end of a connection, use the show tcp
command.
Table 1: Traffic ports used by WSS software
Protocol Port Function
IP/TCP (6) 23 Telnet management
IP/TCP (6) 443 SSL management of a WSS via Web View
Port 443 is also the default port used by WLAN
Management Software clients to communicate with a
WLAN Management Software server.
IP/TCP (6) 8821 Network Domain and Mobility Domain management
The originating WSS makes a connection from a
random TCP port that is equal to or higher than 4096.
The target WSS listens for the traffic on TCP port
8821.
IP/TCP (6) 8889 SSL management via WLAN Management Software or
GuestPass
WLAN Management Software or GuestPass originates
the SSL connection on TCP port 8889.
IP/UDP (17) 53 DNS
IP/UDP (17) 123 NTP
IP/UDP (17) 161 SNMP get and set operations
IP/UDP (17) 162 SNMP traps
IP/UDP (17) 1812 RADIUS authentication (default setting)
IP/UDP (17) 1813 RADIUS accounting (default setting)
IP/UDP (17) 5000 WSS-AP communication. This applies to WSS
communication with Distributed APs and with directly
connected APs.
IP/ICMP (1) N/A Several types (for example, ping)