Hi John,
You will definitely lose certain IOS functionality with the 1721. Newer
code has more features and needs more memory. The 2620XM that you speak
of has support for 128MB ram and 48MB flash while the 1721 is much much
lower. Also note that as you start getting into 12.2 and 12.3 advanced
features your memory requirements go to 96MB and even 128MB for DRAM.
Depends on your needs for the various features. Your best bet is to
decide what features you need (routing protocols and then other
features). Then go to cisco.com/go/fn and find a router that supports
those features. While there are many features you may not get with the
1721 - you also may not need them so why spend the extra money on the
2620XM for a simple serial connection.
Just my .02
Ian
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
John Neiberger
Sent: Wednesday, September 03, 2003 3:14 PM
To: [EMAIL PROTECTED]
Subject: Re: 2620XM vs. 1721 Routers [7:74727]
John Neiberger 9/3/03 1:09:32 PM
I'm not very familiar with the 1721 routers and while I'm researching
them
I
wanted to get some opinions. Isn't the 1721 really just a baby 2600
with a
slighly smaller processor and no network module slot? Are there any
other
significant differences between them?
We've been using 2600, and later the 2620XM, but we've recently got rid
of
the need for a network module, leaving us with a current need of one
WIC.
It
seems like a waste of money to buy a 2620XM if we're only going to pop
a
WIC-2T into it. :-)
I'm sure there's a performance hit, but it's not like I'm trying to
drive
a
DS-3 with this thing. I'll need a T-1 connection, a low-speed serial
connection, and fast ethernet. Nothing too fancy.
Any thoughts?
Thanks,
John
Once again, I'm replying to my own message. After further review,
according
to the Cisco Software Advisor the 1721 is fairly handicapped compared to
the
2600XM platform. I don't know that I'm willing to lose that much
potential
functionality. Heck, according to Software Advisor the 1721 doesn't
support
ISL or 802.1Q vlans! In my book that makes it a non-starter.
John
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