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New Member

which encryption method is the best way to secure the data tranfer

Hi ,

 

I want to configure the Encryption between two cisco Wan routers(3845 & 3825).

We use 50MB leased line connection and transfer the data. I also configured the QOS to limit the data transfer rate to 20MB on the same pipe and it's working fine.We also use the same pipe for trading purpose too. That's why I limit 20MB for data(copy) transfer between two hosts.

Which encryption method should I use to secure the data transfer?

Plese kinldy advise .

 

Thanks,

4 REPLIES

Hello You can implement GRE

Hello

 

You can implement GRE/IPSEC tunneling between the two routers to fullfil your requirement

 

res

Paul

Please don't forget to rate any posts that have been helpful. Thanks.
New Member

Hi Joseph, Thanks for your

Hi Paul,

 

Thanks for your info and prompt reply.

 

Regards,

Super Bronze

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Posting

I would recommend AES256.

 

I would also recommend a VTI tunnel vs. GRE/IPSec.  However, both, depending on your IOS, should support AES256.

 

Encryption will demand more from your routers.  I think the 3845 should be able to support 20 Mbps encrypted, not as sure about the 3825.  (BTW, if you have 50 Mbps LL, why are you limited transfer rate to 20 Mbps?)

 

Also BTW, there's much involved in setting up encrypted tunnels for optimal performance.  Also see: http://www.cisco.com/c/en/us/support/docs/ip/generic-routing-encapsulation-gre/25885-pmtud-ipfrag.html

New Member

Hi Joseph, Thanks for your

Hi Joseph,

 

Thanks for your info and prompt reply.

 

Regards,

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