[c-nsp] Shape an L3 interface to 100mbit

[Stig Johansen]

Hi again,

It may be a bit unclear, but on the 3560/3750-platform, you'll have to
do egress policing by manipulating the DSCP-values on input-interfaces
and tweaking the srr-queues on the output-interfaces.

The old 3550-platform supported egress policing via aggregate-policers,
a bit more logically and without the need for changing any values.

Best regards,
Stig Meireles Johansen

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Kurt Bales
Sent: 15. juli 2008 13:57
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Shape an L3 interface to 100mbit

Hey Guys,

 

I have a situation where my upstream is policing my connection to 100mb.
I
have a GigE interconnect to them, and we are currently connected at
1gb/full
duplex.  I have been requested to shape the traffic leaving our
interconnect
to 100mb so as to reduce the performance issues caused by packet loss
etc
caused by policing.

 

What is the easiest way to apply 100mb shaping to an L3 (no switchport)
interface on a 3560G?

 

The speed of this link could change in the near future (over the next
couple
of days) so I would prefer to use QoS rules to apply shaping to this
interface as opposed to forcing the interconnect to 100/Full (which
would be
of no use if the link changed to 250mb).

 

 

Regards,

K.

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