From: Paul Dardinski (pauld@marshallcomm.com)
Date: Wed Dec 31 2008 - 10:39:56 ARST
Huan,
Currently the voice lab is in flux as to the new equipment. However, to
answer your question, currently the requirement is a 12.4T IOS train.
The DSPs work differently on the ISR platform than others as well. I
would assume currently that you would need at least one ISR platform to
work with, with the other boxes being capable of running 12.4T. Note
however that currently it appears that the only platform moving forward
past 12.4T(20) is the ISR, but I'm unsure how important that will be at
least short term for lab prep.
Paul (#16842 RS/Sec)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Huan Pham
Sent: Monday, December 29, 2008 10:24 PM
To: CCIE Lab
Subject: C2600XM instead of C2800 for voice lab?
Hi GS,
I have a full R&S lab of C2600XM and C3640 routers, and about to resell
them
or reused some of them for my voice lab.
My initial check is that Cisco 2600XM series routers support the voice
cards
NM-HDV2-1T1/E1, VWIC2-2MFT-T1/E1 which are used in vendors' physical
topologies (e.g. IE and IPexpert).
However, the vendors labs all use Cisco 2811 instead of 2600XM or 3600
series
routers. In my experience with R&S track, Cisco 2600 or 3640 supports
almost
all features and there's no need to upgrade to 2800.
So my question is: Are there any voice features I can not practice
with 2600XM, and upgrades to Cisco 2800s are recommended?
Thanks in advance for your advice.
Huan
Blogs and organic groups at http://www.ccie.net
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