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GNS3: How to setup Terminal Server for CCIE Labs
Posted by Tariq Ahmad under ASA , Cisco IOS tips and tweaks , Cisco Unified Call Manager Express , GNS3 , GNS3 video tutorials , Graphical User Interface Applications , PIX firewall , Session Initial Protocol(SIP) , Xtensible Markup Language(XML)[17] Comments
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In one of my previous tutorials, i had used Putty Connection Manager for Console Access which helps centralizing all your consoles into a single window with easy tabbing in between different router consoles. This tutorial shows yet another way of achieving same functionality.This time, i will setup an Access Server/Console Server/Terminal Server, whatever you name it in order to access all lab devices from a single console.
Normally, people practicing for CCIE lab find this approach useful by setting up terminal server in their labs.
Its pretty to easy setup.Here is the topology diagram i have been using in my labs for demonstration purpose:
Enjoy tutorial!
If you liked this tutorial ,don't hesitate to buy me a Cup of Coffee today !
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March 5th, 2009 at 7:12 pm
How do you turn on the hq console port 2000? Thank you
March 6th, 2009 at 12:09 pm
Hello, thank you for sharing this great instruction. I have been dieing to know how to navigate around the router with through access terminal.
I followed your instruction and here is what I got when I connected to other routers from access terminal
——
Password required, but none set
Connection to host lost.
————–
What should I do? Why mine pop up password like that?
Thanks
March 7th, 2009 at 12:33 pm
Could you please how me the configuration of hq router? The reasons is that I can’t log in to the router that I’m working with, it keeps ask me
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Password required, but none set
Connection to host lost.
———
Thank you for your help
April 4th, 2009 at 1:05 am
@W,you can specify which console port you wanna use using GNS3.
@WT,setup enable password and vty line passwords first before telnetting.
April 4th, 2009 at 3:30 am
Very helpful indeed !Thanks
April 8th, 2009 at 2:36 am
Esselamu alejkum.
Great job. Keep going.
July 20th, 2009 at 4:03 am
please let me know how to configure loopback0 with cloud and on putty or pc
October 22nd, 2009 at 3:50 pm
how is the terminal server connected to the other routers.
can u please eleaborate more..
December 28th, 2009 at 12:32 pm
Thank you so much Tariq for this post. I went through your video and was able to hook up my terminal server without any problem.
I have a quick question for you, I have a client-server topology and through the terminal server I cannot access any device not running on the same computer as my terminal server. Do you have a trick for that?
January 2nd, 2010 at 7:05 pm
@Shahzad,@durga,Kindly re-watch tutorial as things are already explained in there.
@Patrice,thnx for nice comment.Did you try to replace Loopback with your LAN interface IP? Port mapping can be other alternative.
February 13th, 2010 at 5:12 pm
I was having some problems following your lab operating inside a virtual machine environment and still being able to access the telnet session from the outside world. Of course I could have setup two interfaces, one for the loopback adapter, and another for the ethernet connection, but that is no fun now.
*******Only pertains to accessing the configured port to the Terminal Server from outside a virtual machine***********
So, what I ended up having to do was configure as per your directions, and create a bridge network adapter, inside my VM between the loopback adapter and the virtual VM adapter.
Here is the best I can do to describe in text how I set this configuration up.
HostPC–VMNet9—>VMHost—Bridge(VMNet9 & loop100)—>GNS
Maybe there is a way to directly advertise your host machines loopback adapter to the VM, but I was not able to figure out how without compromising my primary bridge. Just thought I would contribute because I have spent like 4 hours trying to figure this out. Hope this helps.
February 23rd, 2010 at 11:54 am
I have followed your configuration on the access server but i have no idea how to configure the client routers. I have tried connecting but it just times out. I am really frustrated. I have spend an entire day trying to get this thing to work.
February 23rd, 2010 at 11:57 am
How does the server know how to get to the client routers? That is the confusing thing. I have viewed your tutorial over and over and still something is missing.
March 2nd, 2010 at 8:44 pm
Hi, I an looking for solution for Linux Distro. I setup on windows 2003 and it’s running so slow. i tried on Ubuntu Lab is running much better, but i am unable to create access server in Ubuntu 9.10 can any one help me on this matter
March 2nd, 2010 at 9:36 pm
@nemo, have you created loopback interface in your pc
@Aravinth, concept is same. if you follow steps , you shouldn’t have any issues running terminal server in linux distro (ubuntu).
June 28th, 2010 at 3:33 am
to:nemo
Check Windows firewall settings on loopback adapter. I spent lot of time to find why Terminal server refusing connection.
Enable inbound connection
Now it works
July 5th, 2010 at 6:16 am
how could we configure ip phone , in gns3 where coul i find ip phone