aselios at gmail
Nov 21, 2009, 11:50 AM
Post #5 of 5
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Hi Dave,
I've been tried configure HQF but runing 12.4T IOS and didn't work. I'm
going to get the 15.0 IOS and I'll try again with HQF.
Thanks
2009/11/21 Dave Cardwell <dave.cardwell1 [at] googlemail>
> Hi Alejandro,
>
> If you can run 15.0 code you may want try HQF, rather then CBWFQ.
>
> There is a good description at the link below:
>
> http://blog.ioshints.info/2009/11/first-hqf-impressions-excellent-job.html?utm_source=feedburner&utm_medium=RSS&utm_campaign=IOS+hints+Feed
>
> Hope it helps,
> Dave
>
> On Fri, Nov 20, 2009 at 5:51 PM, Alejandro Selios <aselios [at] gmail>
> wrote:
> > Thanks Clue for your quick answer.
> >
> > In the original mail I didn't mention it, but I applied the
> service-policy
> > to the PVC like you said. (Below attach the complete configuration for
> both
> > cases).
> >
> > Another issue is that Cisco's 800 and 1800 series routers only have 2
> level
> > of prioritization. Cisco's routers allow to configure a priority queue
> and
> > CBWFQ (class base weighted fair queue) but does not has the flexibly to
> > specify a scheduler policy or any other queuing policies.
> >
> > I think that weighted fair queue will leave as dead end, I think the way
> to
> > follow is a strict priority queuing with a customizable scheduler policy.
> > I'm looking for a way to do that in Cisco's routers.
> >
> > I'll appreciate any help you can give me.
> >
> >
> > Cisco 878/877
> > --------------------------------------
> > class-map match-all GOLD
> > match access-group name GOLD_ACL
> > class-map match-all SILVER
> > match access-group name SILVER_ACL
> >
> >
> > policy-map QoS_POLICY
> > class GOLD
> > priority percent 25
> > police cir percent 25 pir percent 25
> > set dscp ef
> > class SILVER
> > set dscp af41
> > bandwidth percent 50
> > shape average percent 75
> > class class-default
> > fair-queue
> > set dscp af12
> > bandwidth percent 25
> >
> > interface ATM0
> > no ip address
> > load-interval 30
> > no atm ilmi-keepalive
> > max-reserved-bandwidth 100
> > !
> > interface ATM0.35 point-to-point
> > description INTERFAZ DE ACCESO
> > ip address x.x.x.x 255.255.255.254
> > atm route-bridged ip
> > pvc 0/35
> > vbr-nrt 576 576
> > oam-pvc 0
> > encapsulation aal5snap
> > service-policy output QoS_POLICY
> >
> >
> >
> > Cisco 1841
> > --------------------------------------
> >
> > class-map match-all GOLD
> > match access-group name GOLD_ACL
> > class-map match-all SILVER
> > match access-group name SILVER_ACL
> >
> >
> > policy-map QoS_POLICY
> > class GOLD
> > priority percent 25
> > police cir percent 25 pir percent 25
> > set dscp ef
> > class SILVER
> > set dscp af41
> > bandwidth percent 50
> > shape average percent 75
> > class class-default
> > fair-queue
> > set dscp af12
> > bandwidth percent 25
> >
> > policy-map SHAPER
> > class class-default
> > shape average 1000000
> > service-policy QoS_POLICY
> > !
> > !
> > !
> > interface FastEthernet0/0
> > description INTERFAZ DE ACCESO
> > no ip address
> > load-interval 30
> > duplex auto
> > speed auto
> > !
> > interface FastEthernet0/0.100
> > encapsulation dot1Q 100
> > ip address x.x.x.x 255.255.255.252
> > service-policy output SHAPER
> >
> >
> >
> > Thanks,
> >
> >
> >
> >
> >
> >
> > 2009/11/20 Clue Store <cluestore [at] gmail>
> >
> >> Hi Alejandro,
> >>
> >> If you're doing this with xDSL, you will have to apply the
> service-policy
> >> to the PVC for outgoing to make it work. Here's an example of what I
> use. I
> >> know your class-maps and policy-maps are different, but you should be
> able
> >> to get the point.
> >>
> >> class-map match-any VoIP
> >> match ip rtp 16384 16383
> >> match access-group name VoicePorts
> >>
> >> policy-map Voice
> >> class VoIP
> >> priority percent 75
> >>
> >> class class-default
> >> fair-queue
> >>
> >>
> >> interface ATM0.1 point-to-point
> >> pvc 1/100
> >> vbr-rt 384 384
> >> tx-ring-limit 3
> >> service-policy output Voice
> >>
> >>
> >> ip access-list extended VoicePorts
> >> permit udp any host x.x.x.x range 22026 62025
> >> permit udp any host x.x.x.x range 22026 62025
> >>
> >>
> >>
> >>
> >> HTH,
> >> Clue
> >>
> >> On Fri, Nov 20, 2009 at 9:26 AM, Alejandro Selios <aselios [at] gmail
> >wrote:
> >>
> >>> Hi,
> >>>
> >>> I want to configure QoS on a Cisco's 800 and 1800 series router and I
> >>> couldn't make it work the way I want. I've configured three classes of
> >>> service called GOLD, SILVER and BRONZE, designed for low latency, low
> loss
> >>> and data respectively.
> >>>
> >>> * I want the GOLD class to have a maximum bandwidth of 25%, even if
> there
> >>> is
> >>> traffic in the other classes.
> >>>
> >>> * The SILVER class has a minimum bandwidth of 50% and, if there's no
> >>> traffic
> >>> in the GOLD queue, I want this class to take the available bandwidth
> which
> >>> is not used by the GOLD class. Thats means that the SILVER class has a
> 50%
> >>> of assured bandwidth and can increase to a maximum of 75% of the total
> >>> bandwidth.
> >>>
> >>> * The BRONZE class has no assured bandwidth and can only take the
> >>> bandwidth
> >>> which is not used for the other classes.
> >>>
> >>> The problem is that with Cisco's QoS tools I have not reached the
> desired
> >>> goal. I have tried with different configurations and IOS and I couldn't
> >>> get
> >>> any successful result . Below I attach the policy configuration that I
> >>> have
> >>> tried (just to give you an example).
> >>>
> >>> Is there any way in which I can achieve the behavior that was described
> >>> above?.
> >>>
> >>> Thanks in advance.
> >>>
> >>>
> >>> Standard Configuration
> >>> -------------------------------------
> >>>
> >>> policy-map QoS_POLICY
> >>> class GOLD
> >>> priority percent 25
> >>> police cir percent 25 pir percent 25
> >>> set dscp ef
> >>> class SILVER
> >>> set dscp af41
> >>> bandwidth percent 50
> >>> shape average percent 75
> >>> class class-default
> >>> fair-queue
> >>> set dscp af12
> >>> bandwidth percent 25
> >>>
> >>>
> >>>
> >>>
> >>> Hierarchical Configuration
> >>> ---------------------------------------------
> >>> policy-map GOLD+SILVER
> >>> class GOLD
> >>> priority percent 33
> >>> police rate percent 33
> >>> class class-default
> >>> fair-queue
> >>>
> >>> policy-map QOS
> >>> class GOLD+SILVER
> >>> shape average percent 75
> >>> bandwidth percent 75
> >>> service-policy GOLD+SILVER
> >>> class class-default
> >>> fair-queue
> >>>
> >>>
> >>> Note: This configuration was applied in a subinterface (xDSL, 802.1q
> >>> ethernet) and for the outgoing traffic.
> >>> _______________________________________________
> >>> cisco-nsp mailing list cisco-nsp [at] puck
> >>> https://puck.nether.net/mailman/listinfo/cisco-nsp
> >>> archive at http://puck.nether.net/pipermail/cisco-nsp/
> >>>
> >>
> >>
> > _______________________________________________
> > cisco-nsp mailing list cisco-nsp [at] puck
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
> >
>
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