[c-nsp] ME3600 switch interface showing Packet drops on Trunk Port.

[Muthukumar Rajagopalan]

Thanks Ivan for sharing the Thread, I just glanced the thread quickly, in
our setup, there is no QOS applied as of now.

The interface is a 1 Gig interface only and here is the show controller
output.

show controllers ethernet-controller gigabitEthernet 0/1

     Transmit GigabitEthernet0/1 Receive
   3746715079 Bytes 684001607 Bytes
   1601240611 Unicast frames 1423901907 Unicast frames
      3956660 Multicast frames 57515 Multicast frames
        33950 Broadcast frames 111825 Broadcast frames
   1603960779 Dot1Q frames 1424071247 Dot1Q frames
            0 Too old frames 668768496 Unicast bytes
   *3690121444 Deferred frames 5900758 Multicast bytes*
            0 MTU exceeded frames 9332353 Broadcast bytes
            0 FCS errors 0 FCS errors
            0 1 collision frames 0 Alignment errors
            0 2 collision frames
            0 3 collision frames 0 Oversize frames
            0 4 collision frames 0 Undersize frames
            0 5 collision frames 0 Collision fragments
            0 6 collision frames
           * 0 7 collision frames 2134412 Minimum size frames
            0 8 collision frames 33319889 65 to 127 byte frames
            0 9 collision frames 13344585 128 to 255 byte frames
            0 10 collision frames 4930119 256 to 511 byte frames
            0 11 collision frames 2813946 512 to 1023 byte frames
            0 12 collision frames 803808161 1024 to 1518 byte frames*
            0 13 collision frames 0 Overrun frames
            0 14 collision frames
            0 15 collision frames
            0 Pause frames 0 Pause frames
            0 Excessive collisions 0 Symbol error frames
            0 Late collisions 0 Invalid frames, too large
            0 VLAN discard frames 563720136 Valid frames, too large
            0 Excess defer frames 0 Invalid frames, too small
      2310138 64 byte frames 0 Valid frames, too small
     39205786 127 byte frames
     14671469 255 byte frames 0 Too old frames
      6687328 511 byte frames 0 Valid oversize frames
     69655856 1023 byte frames 0 System FCS error frames
    951464626 1518 byte frames
    521236018 Too large frames
            0 Good (1 coll) frames
            0 Good (>1 coll) frames

Thanks,
Muthu.
On Fri, Sep 21, 2012 at 12:07 PM, Muthukumar Rajagopalan
<rmkindu at gmail.com>wrote:

> Hi..
>
> We have implemented ME3600 switch recently and observing random packet
> drops on the trunk link. On the access side, we have multi-services
> running, Normal Server Data traffic, Video + Voice. Below is the config on
> the trunk port and Q-in-Q enabled on the access. Different Pattern of
> traffic has been sent and observing outbound drops max up to 3%.
>
> *Present Version:* me360x-universalk9-mz.122-52.EY4.bin
>
> port-type nni
>  switchport mode trunk
>  mtu 1512
>  load-interval 30
>  speed nonegotiate
>  spanning-tree bpdufilter enable
>  spanning-tree bpduguard enable
>  spanning-tree guard root
>  ethernet cfm mip level 7 vlan 1-4094
>  ethernet oam remote-loopback supported
>  ethernet oam
>  hold-queue 4096 in
>  hold-queue 4096 out
>
> Please provide your view if you folks came across this kind of issue
> before.
>
> Thanks,
> Muthu..
>
>