Re: What module card should I get for Cisco 1721?
pppel <firstname.lastname@example.org> writes:
>Doug McIntyre <email@example.com> writes:
>> I should followup why that would be important. If you need a newer IOS
>> that you have, you may also have to upgrade the DRAM and Flash in the
>> router in order to run the code rev you need for this card. (as well
>> as some how obtaining the version of code you want in the first place
>> with zero support available from cisco..).
>Is it expensive to upgrade the DRAM or Flash? DRAM is quite cheap for PCs.
>Flash memory is a little more expensive. Do Cisco routers use special expensive
>DRAM or flash?
You can find plenty of options for upgrades on eBay as well if you
happen to get a router that needs more. Or there are stores that
specialize in odd upgrades like this. I've used MemoryX often over the
years to get cisco memory, although their prices will be slightly higher than
eBay. Ie. http://www.memoryx.net/1700router.html
As with anything, it depends on what is available, if it needed a
module that flooded the market and used everywhere, it'll be dirt
cheap. If it needs a module that was fairly rare and expensive
(ie. linear flash memory for certain router lines instead of ata),
it could get pretty expensive.
The router platforms used quite a variety, some items were pretty
readily available and cheap, some items were very rare and only used
>The newest IOS version is 15.0. Is it likely for me to upgrade 1721 to version 15.0?
No, the release of 15.x cleared out and stopped development on a lot
of legacy hardware like the 17xx platforms. You can run 12.4/12.4T on
them given enough DRAM/Flash. Use the FN to find out available
versions at http://www.cisco.com/go/fn/
There really isn't much need for you to know 15.x IOS vs. even 12.2 IOS.
First off, 15.x was mainly a realigning of platforms and clearing out
of older gear. Also, the basics are the same going back quite a long ways.
The newer revs, I'd say introduce more advanced, specialized features..
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