[cisco-bba] Dot1q cos marking of pppoe packets

[Tassos Chatzithomaoglou]

Have you tried applying the policy to the vtemplate which is defined in the bba-group?

--
Tassos


Christoph Loibl wrote on 1/12/2006 9:47 πμ:
> Hi!
> 
> Has anyone of you ever tried dot1q cos marking of cisco 7301 router 
> originated pppoe packets?
> 
> A PPPOE client is connected somewhere behind gig0/0.10. The connection 
> is established (ViXX up). Everything fine - ping ok! Now I send some 
> packets (not origined by the PPPOE server Cisco 7301, but routet by the 
> Cisco).
> 
> [... bba-group, ...]
> 
> policy-map OUTPUT
>    class-default
>     set cos 5
> 
> interface GigabitEthernet0/0.10
>   encapsulation dot1Q 10
>   service-policy output OUTPUT
>   pppoe enable group global
> end
> 
> interface GigabitEthernet0/1
>   ip address 10.0.0.1 255.255.255.0
> 
> [... virtual-template, ...]
> 
> One should think, that _all_ packets sent by int gig0/0.10 get marked 
> with COS 5 but:
> 
> # sh policy-map interface
> 
> GigabitEthernet0/0.10
> 
>    Service-policy output: OUTPUT
> 
>      Class-map: class-default (match-any)
>        5 packets, 630 bytes
>        5 minute offered rate 0 bps, drop rate 0 bps
>        Match: any
>        QoS Set
>          cos 5
>            Packets marked 0
> 
> How can this happen? The packets match (get counted) but not marked with 
> COS 5 (this is no false-counter, I checked this with a network sniffer).
> 
> When using the interface as simple IP interface, not using pppoe COS 
> marking works fine. And both counters correspond.
> 
> Is this the default behavior?
> 
> Any ideas?
> 
> Best regards
> 
> Christoph Loibl
>