[c-nsp] Catalyst 6524 rate limit per port/vlan

Pavel Dimow paveldimow at gmail.com
Sun May 29 17:34:20 EDT 2011


Hi Mark,

thank you for your suggestion. I still can't figure out whats so
specific and difficult about egress rate limit?
Everyone seams to offer ingress rate limit but egress is very rare and
results vary.


Maybe someone from Cisco can shed a little light on this? :)


On Wed, May 25, 2011 at 3:48 AM, Mark Tinka <mtinka at globaltransit.net> wrote:
> On Saturday, May 21, 2011 05:32:24 AM Pavel Dimow wrote:
>
>> I'am thinking of using CAT6524 as access switches for our
>> pure l2vpn customers. I have started reading about rate
>> limiting capabilities of those switches but it I can't
>> find a way to do a per port or per vlan rate limit. With
>> MQC I can limit the speed in inbound but not in outbound
>> direction. Is there any better way to do it? I don't
>> understand what is the problem with
>> outbound rate limit for Cisco (and Juniper) switches? Is
>> it architecture or something else and how come that
>> there is no problem for rate limit on routers (even the
>> smallest one).
>
> I would look at Cisco's ME3600X/3800X for this deployment. I
> wouldn't waste my time on an ME6524, given the capabilities
> and price of the ME3600X/3800X.
>
> Note that egress policing in this platform is not yet
> available in the software (but the hardware is built to
> support it). This should be out towards the end of 2011.
>
> Cheers,
>
> Mark.
>


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