RAM and flash in routers

Unanswered Question
Mar 31st, 2009

Hi all

Am i right in saying flash is where the files are stored, IOS, and boot loader etc ? and ram is what they load into once the router has booted, what is the ram also used for? when would I need to upgrade the RAM ?

I have this problem too.
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Joseph W. Doherty Tue, 03/31/2009 - 03:37

"what is the ram also used for? when would I need to upgrade the RAM ?"

RAM is also used for dynamic working storage. Things such as software queues, SLA tests, Netflow stats, routing tables, etc. are found there. Most of the working storage items usally aren't too large, but some can be. Prime example would be a full Internet routing table. One or more instances often will need additional RAM to contain.

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