[c-nsp] SUP720 IDB Limit

[Paul Stewart]

I would tend to agree - ASR series from Cisco would be next upgrade, at
least that's where we're headed at some point I think....

To answer your original question though, we've found on the 7206VXR-NPE2G
that we'll run out of CPU long before IDB's.  Here's a box running at
average of 30% CPU at any given time:

Maximum number of Software IDBs 32000.  In use 2166.

                       HWIDBs     SWIDBs
Active                   2160       2161
Inactive                    4          5
Total IDBs               2164       2166
Size each (bytes)        3072       1328
Total bytes           6647808    2876448

We figure this box will top out at about 5-6000 before the CPU is too high
(50% or so is where we like to max out at).

Just my two cents worth ;)

Paul


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Adam Armstrong
Sent: May 8, 2009 2:18 PM
To: kratzers at ctinetworks.com; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] SUP720 IDB Limit

Stephen Kratzer wrote:
> All,
>
> We're looking to step up from the 7200 series to the 7600 series for DSL 
> aggregation. Anyone know what the IDB limit is for this platform (#show
idb)? 
> We're at about 15000. Thanks.
>   
Isn't the 7600 a particularly bad choice for this job?

Wouldn't an ASR1K be better?

adam.
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