[c-nsp] QOS Configuration Help

Dan Letkeman danletkeman at gmail.com
Wed Mar 5 18:05:10 EST 2008


  dscp: incoming
-------------------------------

  0 -  4 :      184155            0            0            0          385
  5 -  9 :           0           82            0            0            0
 10 - 14 :           0            0            0            0            0
 15 - 19 :           0            0            0            0            0
 20 - 24 :           0            0            0            0           16
 25 - 29 :           0            0            0            0            0
 30 - 34 :           0            0       231031            0       108777
 35 - 39 :           0            0            0            0            0
 40 - 44 :       36470            0            0            0            0
 45 - 49 :           0            0            0          137            0
 50 - 54 :           0            0            0            0            0
 55 - 59 :           0            0            0            0            0
 60 - 64 :           0            0            0            0
  dscp: outgoing
-------------------------------

  0 -  4 :      357968            0            0            0            0
  5 -  9 :           0            0            0            0            0
 10 - 14 :           0            0            0            0            0
 15 - 19 :           0            0            0            0            0
 20 - 24 :           0            0            0            0            0
 25 - 29 :           0            0            0            0            0
 30 - 34 :           0            0            0            0            0
 35 - 39 :           0            0            0            0            0
 40 - 44 :           0            0            0            0            0
 45 - 49 :           0            0            0           14            0
 50 - 54 :           0            0            0            0            0
 55 - 59 :           0            0            0            0            0
 60 - 64 :           0            0            0            0
  cos: incoming
-------------------------------

  0 -  4 :      563568            0            0            0            0
  5 -  7 :           0            0          140
  cos: outgoing
-------------------------------

  0 -  4 :      364508            0            0            0            0
  5 -  7 :           0           14            8
Policer: Inprofile:            0 OutofProfile:            0

Both switches show something like this.  What are the 5 column's for?

On Wed, Mar 5, 2008 at 4:45 PM, Nick Griffin <nick.jon.griffin at gmail.com> wrote:
> I'm pretty certain you will not get output on this information based on the
> qos works on these devices, specifically the 3560/3750. The best way to
> check this stuff out from what I've seen on the CLI is "show mls qos
> interface x/y statistics". This will give you an idea of the DSCP values
> coming into and leaving the particular interface. Make sure your dscp/cos to
> queue mappings are configured the way you want, ie what dscp value maps to
> which queue. Priority queue on the 3560 is by default 1 on the 3560, not
> sure on the 2960.
>
>
>
> On Wed, Mar 5, 2008 at 4:32 PM, Dan Letkeman <danletkeman at gmail.com> wrote:
>
> >
> >
> >
> > Hello,
> >
> > I am in the process of configuring QOS for our video system.
> > Currently I'm having trouble configuring our 2960's with srr queuing.
> > I have not yet tackled the 3560's.
> >
> > Here is the config I'm working with, there are more 3560's and 2960's,
> > but this should give an idea on how I have configured them:
> >
> > 3560:
> >
> > class-map match-any VIDEO
> >  match access-group name POLYCOM
> > !
> > policy-map in
> >  class VIDEO
> >   set dscp af41
> > !
> > interface FastEthernet0/24
> > description test trunk to 2960
> > switchport trunk encapsulation dot1q
> > switchport trunk native vlan 500
> > switchport trunk allowed vlan 500
> > switchport mode trunk
> > srr-queue bandwidth share 10 10 60 20
> > srr-queue bandwidth shape  10  0  0  0
> > srr-queue bandwidth limit 20
> > priority-queue out
> > mls qos trust cos
> > spanning-tree portfast
> > !
> > ip access-list extended POLYCOM
> >  permit ip host 192.168.50.12 any
> >
> >
> > 2960:
> >
> > class-map match-any VIDEO
> >  match access-group name POLYCOM
> > !
> > policy-map in
> >  class VIDEO
> >   set precedence 4
> > !
> > interface FastEthernet0/1
> >  description - Codec plugged in here
> >  switchport access vlan 500
> >  switchport mode access
> >  ip access-group POLYCOM in
> >  srr-queue bandwidth share 10 10 60 20
> >  srr-queue bandwidth shape  10  0  0  0
> >  auto qos voip trust
> >  spanning-tree portfast trunk
> >  service-policy input in
> >
> > interface FastEthernet0/24
> >  description - trunk to 3560
> >  switchport trunk native vlan 500
> >  switchport trunk allowed vlan 500
> >  switchport mode trunk
> >  srr-queue bandwidth share 10 10 60 20
> >  srr-queue bandwidth shape  10  0  0  0
> >  srr-queue bandwidth limit 35
> >  priority-queue out
> >  auto qos voip trust
> >  spanning-tree portfast trunk
> >
> > ip access-list extended POLYCOM
> >  permit ip host 192.168.50.12 any
> >
> > I'm not exactly sure what is happening, but i'm not getting any hits
> > on the acl's.  The Codec is 192.168.50.12, the trunk's are all
> > working, and the network is working fine.
> >
> > Is there something i'm missing?
> >
> > Thanks,
> > Dan.
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
> >
>
>


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