Saturday, November 14, 2009

Setting up Terminal Server on Cisco Router

To Setup a Terminal server on cisco router you require Async module on the router. Cisco routers like 2511 comes up with such interfaces. You will need Octal cable to connect the console RJ-45 of devices to the Async interface.

The lines for 2511 starts from 2001 to 2008 for an Async interface. Below is the sample config which i use for my Lab's access server.

interface Loopback0
ip address

no ip directed-broadcast

ip host S3 2011
ip host R7 2007
ip host R6 2006
ip host R4 2004
ip host R3 2003
ip host S2 2010
ip host S1 2009
ip host R5 2005
ip host R2 2002
ip host R1 2001
ip host S4 2012
ip host R8 2008

line con 0
exec-timeout 0 0
logging synchronous
transport input none
line 1 16
no exec
transport input all

Now that the router is configured we use the following commands to navigate.
- to access a device

telnet 2001

- to switch between active sessions

ctrl-shift-6-x will bring you back to terminal server
show sessions will display the active sessions
entering a number of a session will let you access that session
- to disconnect a session
use the disconnect command

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