[nsp] IP over ATM?

[Voll, Scott]

The new part number is AIM-ATM-4T1=.  It's a AIM module that goes inside
the router and some vwics cards that go in your wic slots.

But I think I would go with the non-ATM due to overhead.

Scott

-----Original Message-----
From: Tony Mucker [mailto:Tony at tonymucker.com] 
Sent: Tuesday, June 29, 2004 2:06 PM
To: cisco-nsp at puck.nether.net
Subject: [nsp] IP over ATM?

We're currently looking at getting something a little more beefy than 
our current T1. 

Right now, I have two options in front of me, IMA (Inverse Multiplexing 
for ATM) and four bonded T1's (both from different providers).  Either 
option would get me 6 Mbps.

I've got the hardware handy to do 4 T1's, but don't have the module for 
my Cisco routers to do the IMA (NM-4T1-IMA).  I also see that the module

has been EOL'd by Cisco, with a final sale date of 31MAR04. 

Has anyone had experience with IMA?  Seems like the IMA modules (both 
NM-4T1-IMA and NM-8T1-IMA) were never too popluar.  The monthly cost for

both options is the same, but with the IMA I'd need to find a module 
somewhere.

Are there any pitfalls?  The 4 T1's would be round-robined, which I 
don't have a problem with.

Thanks for your help.
Tony
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