Re: 6500 QoS L3 GRE interface

From: Serge (serge.ciscostudy@gmail.com)
Date: Thu Mar 27 2008 - 06:31:13 ART


It seems to me that PFC2 doesn't support any PFC QoS features on the tunnel
interfaces:

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/
release/notes/OL_4164.html#wp856228

The PFC3A does not support any PFC QoS features on tunnel interfaces.
The PFC3B and PFC3BXL support PFC QoS features on tunnel interfaces.
In releases earlier than Release 12.2(18)SXE, the PFC3 does not support GRE
tunnel encapsulation and de-encapsulation of multicast traffic.
The MSFC supports tunnels configured with egress features on the tunnel
interface. Examples of egress features are output Cisco IOS ACLs, NAT and
PAT (for inside to outside translation), TCP intercept, context-based access
control (CBAC), and encryption.

On Thu, Mar 27, 2008 at 11:07 AM, Hunt, Richard (LDN-GIS) <
Richard.Hunt@interpublic.com> wrote:

> Hi All,
> I'm trying to prioritize one particular IP subnet outbound through a
> Tunnel interface on a Cat 6500.
> I've tried MQC using nested policies (needed in IOS for Tunnel
> interfaces genrally) which generates this message "MQC features are not
> supported for this interface"
>
>
> Eg #1
> class-map match-all voice-budapest
> match access-group name voice-budapest
>
> policy-map voice-budapest
> class voice-budapest
> priority 2000000
> policy-map Tunnel-67
> class class-default
> shape average 8000000
> service-policy voice-budapest
>
>
> Extended IP access list voice-budapest
> 10 permit ip any 10.20.208.0 0.0.0.255
>
> 6500(config-if)#service-policy output Tunnel-67
> MQC features are not supported for this interface
>
>
>
>
> and I also tried simple priority queuing.
>
> However, this beast is proving difficult.
> Does anyone have any experience of how I could achieve this?, It (the
> 6500) is running a L3 image with a PFC2.
>
>
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