Cisco Catalyst 4500 Series Administration Guide

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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
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Chapter 9 Checking Port Status and Connectivity
Changing the Logout Timer
Note To establish a Telnet connection to a host by using the hostname, configure and enable DNS.
To establish a Telnet connection to another device on the network from the switch, enter this command:
This example shows how to establish a Telnet connection from the switch to the remote host named
labsparc:
Switch# telnet labsparc
Trying 172.16.10.3...
Connected to labsparc.
Escape character is '^]'.
UNIX(r) System V Release 4.0 (labsparc)
login:
Changing the Logout Timer
The logout timer automatically disconnects a user from the switch when the user is idle for longer than
the specified time. To set the logout timer, enter this command:
Monitoring User Sessions
You can display the currently active user sessions on the switch using the show users command. The
command output lists all active console port and Telnet sessions on the switch.
To display the active user sessions on the switch, enter this command:
This example shows the output of the show users command when local authentication is enabled for
console and Telnet sessions (the asterisk [*] indicates the current session):
Switch# show users
Line User Host(s) Idle Location
* 0 con 0 idle 00:00:00
Command Purpose
Switch# telnet host [port]
Opens a Telnet session to a remote host.
Command Purpose
Switch# logoutwarning number
Changes the logout timer value (a timeout value of 0 prevents idle
sessions from being disconnected automatically).
Use the no keyword to return to the default value.
Command Purpose
Switch# show users [all]
Displays the currently active user sessions on the
switch.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E