When a port on the terminal concentrator is busy, you can reset the port to disconnect its user. This procedure is useful if you need to perform an administrative task on the busy port.
A busy port returns the following message when you try to connect to the terminal concentrator.
telnet: Unable to connect to remote host: Connection refused
If you use the port selector, you might see a port busy message. See How to Correct a Port Configuration Access Error for details on the port busy message.
# telnet tc-name
Specifies the name of the terminal concentrator
Enter Annex port name or number: cli annex:
The default password is the terminal concentrator's IP address.
annex: su Password:
The who command shows ports that are in use.
annex# admin reset port-number
You can now connect to the port.
The following example shows how to reset the terminal concentrator connection on port 2.
admin-ws# telnet tc1 Trying 18.104.22.168 ... Connected to 22.214.171.124. Escape character is '^]'. [Return] ... Enter Annex port name or number: cli ... annex: su Password: root-password annex: who Port What User Location When Idle Address 2 PSVR --- --- --- 1:27 126.96.36.199 v1 CLI --- --- --- 188.8.131.52 annex# admin reset 2 annex# hangup