RE: QOS in Cisco 7609

Hi Vijay

    Yes, layer 2 marking is for queuing. My question is when the packet
arrives the interface, it should be a ip packet, how can the interface perform
layer 2 marking ??

Thanks,
Terry

> Date: Fri, 31 Dec 2010 09:31:36 +1100
> From: v.shekhar_at_globalassurance.net
> To: tortletang_at_hotmail.com
> CC: ccielab_at_groupstudy.com
> Subject: RE: QOS in Cisco 7609
>
> Terry,
>
> From what i can see in the config you have provided, L3 QoS policy
> thats defined is used for Rate limiting input and output traffic,
> Where as the L2 CoS policy is used to assign incoming packets to
> appropriate ingress Queue. (Along with some Drop threshold defined for
> the queues).
>
> IN summary L3 markings are used for for Rate limiting
> L2 markings are used for queuing.
>
> HTH,
> -Vijay Shekhar
> CCIE#17589/CISSP#65114/RHCE
> http://au.linkedin.com/in/vshekhar
>
>
> Quoting Tortle Tang <tortletang_at_hotmail.com>:
>
> > Could anyone answer my question please ? How this layer 2 QOS works under
> > layer 3 interface ???
> >
> > Thanks,
> > Terry
> >
> >
> >
> >
> >
> >> From: tortletang_at_hotmail.com
> >> To: davidbass570_at_gmail.com; ccielab_at_groupstudy.com
> >> Subject: RE: QOS in Cisco 7609
> >> Date: Wed, 29 Dec 2010 13:37:38 +1100
> >>
> >> Hi
> >> The following is the policy.
> >>
> >> class-map match-any realtime_ipp
> >> match ip precedence 5
> >> policy-map PE_to_CORE_Police_RT
> >> class realtime_ipp
> >> police cir 600000000 conform-action transmit exceed-action drop
> >>
> >>
> >> class-map match-any realtime_exp
> >> match mpls experimental topmost 5
> >> policy-map CORE_to_PE_Police_RT
> >> class realtime_exp
> >> police cir 600000000 conform-action transmit exceed-action drop
> >>
> >>
> >> Thanks,
> >> Terry
> >>
> >>
> >>
> >>
> >> > Subject: Re: QOS in Cisco 7609
> >> > From: davidbass570_at_gmail.com
> >> > Date: Tue, 28 Dec 2010 20:02:38 -0600
> >> > To: tortletang_at_hotmail.com
> >> >
> >> > Could you send the L3 policy out as well?
> >> >
> >> > Sent from my iPhone
> >> >
> >> > On Dec 28, 2010, at 6:04 PM, Tortle Tang <tortletang_at_hotmail.com>
wrote:
> >> >
> >> > > Hi
> >> > >
> >> > > I saw the following in cisco 7609, I am Just wondering how it works
,
> > as
> >> the
> >> > > interfaces is IP interface, however the qos is for COS (layer2).
> >> > > Do your guys have any idea? or do you think the layer 2 QOS is
working
> >> for
> >> > > this layer 3 IP interface ?
> >> > >
> >> > >
> >> > > Current configuration : 945 bytes
> >> > > !
> >> > > interface GigabitEthernet5/1
> >> > > mtu 1534
> >> > > ip address 10.104.234.2 255.255.255.252
> >> > > ip mtu 1500
> >> > > ip flow ingress
> >> > > ip ospf message-digest-key 1 md5 7 020B555505575C2C1C5B1A4A
> >> > > ip ospf bfd
> >> > > wrr-queue bandwidth percent 65 35
> >> > > wrr-queue queue-limit 40 30
> >> > > wrr-queue random-detect min-threshold 1 40 80
> >> > > wrr-queue random-detect min-threshold 2 70 80
> >> > > wrr-queue random-detect max-threshold 1 80 100
> >> > > wrr-queue random-detect max-threshold 2 80 100
> >> > > wrr-queue cos-map 1 1 1
> >> > > wrr-queue cos-map 1 2 0 4
> >> > > wrr-queue cos-map 2 1 2 3
> >> > > wrr-queue cos-map 2 2 6 7
> >> > > mpls traffic-eng tunnels
> >> > > mpls traffic-eng backup-path Tunnel9003
> >> > > mpls accounting experimental input
> >> > > mpls accounting experimental output
> >> > > mpls ip
> >> > > bfd interval 200 min_rx 200 multiplier 3
> >> > > service-policy input CORE_to_PE_Police_RT
> >> > > service-policy output PE_to_CORE_Police_RT
> >> > > ip rsvp bandwidth 1000000
> >> > > ip rsvp signalling hello
> >> > >
> >> > >
> >> > > Thanks,
> >> > > Terry
> >> > >
> >> > >
> >> > > Blogs and organic groups at http://www.ccie.net
> >> > >
> >> > >
Received on Fri Dec 31 2010 - 10:22:54 ART