Re: DSCP maps in Catalyst

From: Nick Griffin (nick.jon.griffin@gmail.com)
Date: Tue Nov 28 2006 - 16:42:58 ART


Dave, mls qos enabled as mentioned previously, and are you trusting DSCP on
the ingress interface from R2? In My case I have "mls qos trust dscp" on
both the ingress and egress interfaces to my R2 and R6 respectively. Seems
to work just fine.

On 11/27/06, Schulz, Dave <DSchulz@dpsciences.com> wrote:
>
> I am trying to set up a number of different scenarios with setting dscp
> values on a router and reading them on another. This works quite
> well......
>
>
> R6 - - - - - - - CAT2 - - - - - - - R2
>
>
> R6......
> Setting the dscp of ping traffic to R2 with a policy map (set to dscp =
> 63)
>
> R2.....
> Set up an inbound access list on R2 .....access-list 140 permit ip any
> any eq dscp 63 log-input
>
> This works. However, I am trying to get the CAT2 to change this dscp
> with a mutation map and can't seem to get this to work properly. Any
> ideas......
>
> Cat2 configuration on the switchport connected to R6......
>
> Cat2#sh run int fa0/6
> Building configuration...
>
> Current configuration : 200 bytes
> !
> interface FastEthernet0/6
> switchport trunk encapsulation isl
> switchport trunk allowed vlan 20,40
> switchport mode trunk
> switchport nonegotiate
> mls qos trust dscp
> mls qos dscp-mutation NEW
> end
>
> Cat2#sh mls qos map dscp-mut
>
> Dscp-dscp mutation map:
> NEW:
> d1 : d2 0 1 2 3 4 5 6 7 8 9
> ---------------------------------------
> 0 : 00 01 02 03 04 05 06 07 08 09
> 1 : 10 11 12 13 14 15 16 17 18 19
> 2 : 20 21 22 23 24 25 26 27 28 29
> 3 : 30 31 32 33 34 35 36 37 38 39
> 4 : 40 41 42 43 44 45 46 47 48 49
> 5 : 50 51 52 53 54 55 56 57 58 59
> 6 : 60 61 62 51
>
>
>
>
> Dave Schulz,
> Email: dschulz@dpsciences.com <mailto:dschulz@dpsciences.com >
>
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