North American Network Operators Group

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Re: Routers RAM and BGP table bloat

  • From: Robert E.Seastrom
  • Date: Fri Oct 21 09:08:06 2005

Nils Ketelsen <[email protected]> writes:

> Ben Butler wrote:
>> if anyone had a view on what would happen if I managed to source an
>> SDRAM of 512MB / 1GB of the same specification as the 256MB Cisco
>> compatible memory that you use in an 7200 NPE225.  Cisco say the maximum
>> ram for that NPE is a pitiful 256MB, I am sure the memory manufacturers
>> will have made larger SDRAMs, while recognising it would be fully
>> unsupported what would happen if we tried to stick in a larger memory
>> module in the NPE....
> I am just guessing here, but if the manufacturer says 256MB is the
> maximum, I would expect that the unit is not able to address more than
> 256MB memory, regardless of the amount you plug in to it.

That's not entirely a reasonable conclusion - the npe225 only
"supported" 128m and a lot of us were running them with 256m.  

> Apart from the fact what is better than something else: I think it is
> very brave to use unsupported hardware to operate a network. If
> something fails, you are on your own then. No support from the vendor.

Of course, if you don't have the hardware under support contract in
the first place...

> One of the things where being brave and being insane are only seperated
> by a very thin line ;-)