[c-nsp] BGP dram confusion

[Jon Lewis]

On Wed, 11 Mar 2015, Erik Klaassen wrote:

> Hi all,
>
> We use a 7600 with a sup720xl and we receive 3 full bgp tables, some partial transit and some peering.
> According to sh bgp sum bgp is using:
> ipv4 ~250MB
> ipv6 ~30MB
>
> But the 1GB dram is almost full.
>
> sh memory summary
>          Head     Total(b)  Used(b)   Free(b)   Lowest(b) Largest(b)
> Processor 46ABB9D0 894682672 785658748 109023924 54382492 48475720
>
>
> Sh proc mem shows the bgp proces is using a lot more memory the ~300MB
>
> PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
> 496   0  799340392  180557004  517282488          0          0 BGP Router
>
> how does this come and is this normal? I was expecting i could use some more full tables on this router.

Cisco never could count :)
You have about 104mb free, what's more worrying is the memory 
fragmentation such that your largest contiguous block of free memory is 
46mb.  I wouldn't add any more full views to that router.  It's time to 
start thinking about what's going to replace the 7600.

----------------------------------------------------------------------
  Jon Lewis, MCP :)           |  I route
                              |  therefore you are
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