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Migration from Cisco 1720 to Cisco 800 series

Posted on 2013-10-23
Medium Priority
Last Modified: 2013-10-23
I have a business using 3 Cisco 1720 routers to connect two remote branches to the third main branch via T1.

 I have never worked with Cisco routers apart from these, and the only thing I know how to do with the 1720's is backing up or loading their existing configurations using Cisco ConfigMaker.

The decision has been made to finally retire the outdated routers, despite continuing to function without issue since 2004. They want them replaced with a newer Cisco Router.

I have been led to believe, the current 800 series routers are what I need to be looking at to replace the 1720, but I haven't confirmed this to be true.

Can any of you Cisco guru's point me in the right direction as to what specific model and/or hardware configuration I need?

To help a little with answering my question, this is the existing setup:

 the main branch router has two "WIC 1DSU T1" cards installed. One card is configured for one remote branch and the second card for the second remote branch. And of course each branch has a Cisco 1720 with the one of the same "WIC 1DSU T1" cards installed in order to communicate back to the main branch router.

I have provided the configurations for all three if that would assist in properly determining how things are setup and what new router/hardware configuration will work to replace the 1720's.

Thank you in advance for any help you may provide.
Question by:tjwo94
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LVL 26

Expert Comment

ID: 39594878
What is the reasoning for going to the 800 series routers. I don't believe those support any type of serial interfaces.
LVL 26

Accepted Solution

Soulja earned 2000 total points
ID: 39594919
The comparable upgrade for your 1720's would be a Cisco 1921 router:


Author Comment

ID: 39595099
Thank you Soulja that is definitely what I need. Are the configurations transferable from the 1720's to the 1921's or will I have to figure out how to configure the new routers/find someone that knows how?
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Author Closing Comment

ID: 39595103
Thank you for the snappy response. Not sure why the Cisco 800 was referred to me, I assume the individual misunderstood my needs.
LVL 26

Expert Comment

ID: 39595111
Yes. You configs are very basic.  You should be able to transfer them.  Just make sure your T1 cards are present.

Author Comment

ID: 39595120
Great, thank you very much for the help!
LVL 26

Expert Comment

ID: 39595205
No problem, good luck!

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