[c-nsp] QoS on 837 using PPPoE

Siva Valliappan svalliap at cisco.com
Tue Jul 7 17:30:35 EDT 2009


it's been many years since i worked in this area, so you will need to
bear with me.

couple of things to check.  can you do a "show log" and is there any
other messages that were generated when you tried to configure the
service policy on the ATM interface?

do you have a "vbr-nrt <bw>" definition under the ATM interface?
can you configure that first, and then configure the service policy
statement?  does it resolve the issue?  if not, what were the log messages
that were generated?

thanks
.siva


On Tue, 7 Jul 2009, Clue Store wrote:

> On A0.1.....
>
> config-subif)#service-policy output Voice
> CBWFQ : Not supported on subinterfaces
>
> On A0
>
> (config-if)#service-policy output Voice
> CBWFQ : Not supported on this interface
>
> It would seem out old ways of QoS have changed  ;)
>
> On Tue, Jul 7, 2009 at 4:06 PM, Siva Valliappan <svalliap at cisco.com> wrote:
>
>> IIRC you need to apply it on the ATM interface
>> e.g.
>>
>> Interface ATM0.1 point-to-point
>> .
>> .
>> pvc 1/100
>>   service-policy output Voice
>>
>> regards
>> .siva
>>
>>
>>
>> On Tue, 7 Jul 2009, Clue Store wrote:
>>
>>   Hi All,
>>>
>>>
>>> I am having a hard time trying to figure how to apply a QoS policy on this
>>> router. I have applied a few typical service-policies on the dialer
>>> interfaces, but a "show policy interface di0" shows packets being matched
>>> but nothing being dropped and the link is saturated. I believe the policy
>>> needs to be applied to the virtual-access interface that comes up when PPP
>>> negotiates, but i'm not quite sure how this would be done since the use of
>>> vpdn-groups are no longer used. Relevent config posted. Any suggestions
>>> are
>>> greatly appreciated. *And yes I know the service-policy is not applied to
>>> the dialer interface...this was due to it not working.
>>>
>>>
>>> class-map match-any VoIP
>>> match ip rtp 16384 16383
>>> match access-group name VoicePorts
>>> !
>>> !
>>> policy-map Voice
>>> class VoIP
>>>  priority 256
>>> !
>>> !
>>> !
>>> !
>>> !
>>> interface Ethernet0
>>> ip address 192.168.10.1 255.255.255.0
>>> ip nat inside
>>> ip virtual-reassembly
>>> !
>>> interface Ethernet2
>>> no ip address
>>> shutdown
>>> hold-queue 100 out
>>> !
>>> interface ATM0
>>> no ip address
>>> load-interval 30
>>> no atm ilmi-keepalive
>>> dsl operating-mode auto
>>> !
>>> interface ATM0.1 point-to-point
>>> pvc 1/100
>>>  encapsulation aal5snap
>>>  pppoe-client dial-pool-number 1
>>> !
>>> !
>>> interface FastEthernet1
>>> duplex auto
>>> speed auto
>>> !
>>> interface FastEthernet2
>>> duplex auto
>>> speed auto
>>> !
>>> interface FastEthernet3
>>> duplex auto
>>> speed auto
>>> !
>>> interface FastEthernet4
>>> duplex auto
>>> speed auto
>>> !
>>> !
>>> interface Dialer0
>>> ip address negotiated
>>> ip mtu 1492
>>> ip nat outside
>>> ip virtual-reassembly
>>> encapsulation ppp
>>> ip tcp adjust-mss 1412
>>> dialer pool 1
>>> no cdp enable
>>> <ppp info ************>
>>> !
>>> ip forward-protocol nd
>>> ip route 0.0.0.0 0.0.0.0 Dialer0
>>> !
>>> ip http server
>>> no ip http secure-server
>>> !
>>> no ip nat service skinny tcp port 2000
>>> no ip nat service sip udp port 5060
>>> ip nat inside source list 10 interface Dialer0 overload
>>> !
>>> !
>>> ip access-list extended VoicePorts
>>> permit udp any host *.*.*.* range 22026 62025
>>> permit udp any host *.*.*.* range 22026 62025
>>> access-list 10 permit 192.168.10.0 0.0.0.255
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>>>
>


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