[c-nsp] Rate Limit On VLANs 3550

[Alex Foster]

Hi Tassos,

Ok thanks - this is what I was able to pull off..

sh mls qos interface g0/2
GigabitEthernet0/2
trust state: not trusted
trust mode: not trusted
COS override: dis
Attached policy-map for Egress: rate_limit
default COS: 0
DSCP Mutation Map: Default DSCP Mutation Map
trust device: none

sh mls qos interface g0/2 statistics
GigabitEthernet0/2
Ingress
  dscp: incoming   no_change  classified policed    dropped (in bytes)
Others: 3440524635 2722975686 717548949  0          0
Egress
  dscp: incoming   no_change  classified policed    dropped (in bytes)
Others: 1699435760    n/a       n/a      0          0

WRED drop counts:
  qid  thresh1    thresh2   FreeQ
   1 : 0          0         1024
   2 : 0          0         1024
   3 : 0          0         1024
   4 : 0          0         1024

Regards

Alex

-----Original Message-----
From: Tassos Chatzithomaoglou [mailto:achatz at forthnet.gr] 
Sent: 27 June 2006 14:48
To: Alex Foster
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Rate Limit On VLANs 3550

I think "sh policy-map int" isn't supported on 3550. You have to use "sh
mls qos interface" in order 
to check the interface's policies ("mls qos" must be enabled too).

--
Tassos

Alex Foster wrote on 27/6/2006 14:39:
> Trying to configure rate-limiting per VLAN on a 3550 dot1q interface
> (GigE port) - so that each VLAN using the trunk is allocated a
> percentage of the bandwidth.
> 
> Can this be done ??  I have tried the following config. but it doesn't
> appear to have any effect - any ideas what Im doing wrong.
> 
> 
> mls qos
> 
> class-map match-all vlan100
>   match vlan  100
> class-map match-all vlan0100
>   match class-map vlan100
> class-map match-all vlan110
>   match vlan  110
> class-map match-all vlan0110
>   match class-map vlan110
> class-map match-all vlan20
>   match vlan  20
> class-map match-all vlan0020
>   match class-map vlan20
> 
> policy-map rate_limit
>   class vlan0110
>     police 10000000 10000 exceed-action drop
>   class vlan0100
>     police 20000000 10000 exceed-action drop
>   class vlan0020
>     police 100000000 100000 exceed-action drop
> 
> interface GigabitEthernet0/2
>  switchport trunk encapsulation dot1q
>  switchport trunk allowed vlan 20,100,110
>  switchport mode trunk
>  flowcontrol send off
>  service-policy history
>  service-policy output rate_limit
> 
> sh policy-map int
> 
>   service-policy output: rate_limit
> 
>     class-map: vlan0110 (match-all)
>       0 packets, 0 bytes
>       5 minute offered rate 0 bps, drop rate 0 bps
>       match: class-map match-all vlan110
>         match: vlan  110qm_police_inform_feature: CLASS_SHOW
> 
> 
>     class-map: vlan0100 (match-all)
>       0 packets, 0 bytes
>       5 minute offered rate 0 bps, drop rate 0 bps
>       match: class-map match-all vlan100
>         match: vlan  100qm_police_inform_feature: CLASS_SHOW
> 
> 
>     class-map: vlan0020 (match-all)
>       0 packets, 0 bytes
>       5 minute offered rate 0 bps, drop rate 0 bps
>       match: class-map match-all vlan20
>         match: vlan  20qm_police_inform_feature: CLASS_SHOW
> 
> 
>     class-map: class-default (match-any)
>       0 packets, 0 bytes
>       5 minute offered rate 0 bps, drop rate 0 bps
>       match: any
>         0 packets, 0 bytes
>         5 minute rate 0 bps
> 
> 
> 
> 
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