[c-nsp] QOS on ME3600 (service instance)

[Pshem Kowalczyk]

Hi,

Do you have a port-level outbound service policy in your config as well as
the EVC-one?

kind regards
Pshem


On 22 September 2014 14:51, CiscoNSP List <cisconsp_list at hotmail.com> wrote:

> Hi Everyone,
>
> Ive configured a simple test to ensure egress shaping is working under a
> service instance (As you cannot apply service policy to vlan interface).
>
> policy-map TEST_1MB   class class-default  shape average 98000  <-
> Actually set to 98kb for testing
>
> interface GigabitEthernet0/3
> ...
>  service instance 6 ethernet
>   service-policy output TEST_1MB
>   bridge-domain 6
>
> interface Vlan6
>  description p-t-p-link-to-1841-1
>  ip vrf forwarding TEST3
>  ip address 10.10.1.0 255.255.255.254
>  no ip proxy-arp
>
>
>
> It "appears" to work - i.e. with no policy applied:
>
> #ping vrf TEST3 10.10.1.1 size 1500 df-bit repeat 100  <- This is to an
> 1841 connected to port Gig0/3 on the ME
> Type escape sequence to abort.
> Sending 100, 1500-byte ICMP Echos to 10.10.1.1, timeout is 2 seconds:
> Packet sent with the DF bit set
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> Success rate is 100 percent (100/100), round-trip min/avg/max = 1/2/4 ms
>
> Same test, with policy-map applied to service instance:
>
> ping vrf TEST3 10.10.1.1 size 1500 df-bit repeat 100
> Packet sent with the DF bit set
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> Success rate is 100 percent (100/100), round-trip min/avg/max = 1/118/128
> ms
>
> i.e. Latency increases, so I can only assume the shaping is working....I
> have tried reducing the shaping to 1000 (1kb), and see packet-loss...remove
> service-policy, and latency returns to normal, and no loss.
>
> #sh ethernet service instance policy-map
>   GigabitEthernet0/3: EFP 6
>
>   Service-policy output: TEST_1MB
>
>     Class-map: class-default (match-any)
>       100 packets, 151800 bytes
>       30 second offered rate 0000 bps, drop rate 0000 bps
>       Match: any
>   Traffic Shaping
>     Average Rate Traffic Shaping
>     Shape 98 (kbps)
>       Output Queue:
>         Default Queue-limit 49152 bytes
>         Tail Packets Drop: 0
>         Tail Bytes Drop: 0
>
> Is this a cosmetic bug, or is there another command that will show drops?
>
> Cheers.
>
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