[cisco-bba] Cisco 7206 non-VXR for BB Aggregation

[Siva Valliappan]

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On Fri, 4 Jul 2003, Tay Chee Yong wrote:

> Thanks Dennis for your valuable advise.
>
> >From the following website,
> http://www.cisco.com/en/US/products/hw/routers/ps314/prod_module_configuration_guide09186a008007c79b.html
>
> it mentioned that "CAR policing algorithm impacts performance due to its
> additional use of processor resource. Typical performance impact may be
> about 20 to 30%, although it would vary depending on the traffic mix and
> the configured protocol:"... "Using an ACL with CAR will affect performance
> depending on the type of ACL used"
>
> The above document is meant for Cisco 6400 series. Does it applies to Cisco
> 7206 router?
>

yes it does if you are not making use of the 7401 or the 7200 with NSE-1
which can perform services in PXF.  if you are doing software forwarding,
there is a performance degradation with service enablement in a number
of cases.

> May I know how bad is the impact on the CPU resources if the CAR is
> configured on the virtual template, compared to configuration done via AAA?
>

i don't believe the method of provisioning has impact on actual performance
other then your Calls Per Second rate.

cheers
.siva

> Thanks.
>
> Cheeyong
>
> On Tue, 1 Jul 2003, Dennis Peng wrote:
>
> : With the NPE-200, the box will probably max out at 2000 sessions if
> : you aren't doing anything else. Latest 12.2T/12.2B code has
> : scalability enhancements to decrease memory and cpu load for BBA
> : sessions, so it should allow you to squeeze the most out of the box.
> :
> : Dennis
> :
> : Tay Chee Yong [tcy at pacific.net.sg] wrote:
> : > Hi all,
> : >
> : > Was wondering if any people out there is using a Cisco 7206 non-VXR router to
> : > termination BB ppp sessions on it? We have a couple of non-VXR, NPE 200 routers,
> : > and thought of recycling it for BB termination.
> : >
> : > Any performance degradation, or any limit in the number of ppp sessions on the
> : > box, or other issues that i might not be aware of?
> : >
> : > Advise is greatly appreciated.
> : >
> : > Thanks.
> : >
> : > Regards,
> : > Cheeyong
> : >
> : > _______________________________________________
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> :
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