[c-nsp] Max usable RAM on a Cisco 3945E?

[Gert Doering]

Hi,

On Mon, Jan 14, 2019 at 05:08:07PM -0600, Jonathan Stewart wrote:
> I've got a 3945E with 2 GB of RAM and it runs BGP with 2 full and one
> partial feed on v4 and v6.
> 
> v4 says; BGP using 443436482 total bytes of memory
> v6 says: BGP using 84137018 total bytes of memory

This is only half the truth.  The FIB (CEF) table will also need quite
a bit of memory, in addition to the pure BGP tables.  So always check
"show mem summ", "show proc mem sort" etc.

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             gert at greenie.muc.de
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