[j-nsp] DPCE-R-4XGE FIFO errors

Kevin Wormington kworm at sofnet.com
Wed Oct 28 14:37:02 EDT 2015

As a follow-up to my own question; I suppose I should ask if it would be 
expected for the MX240 with the original SBC and DPCE-R should be able 
to do "wire rate" on a port at 68 byte packets at layer3?

On 10/28/2015 12:31 PM, Kevin Wormington wrote:
> Hi,
> I was playing around with a 10G test set and sending 68 byte packets at
> layer3 to a 10G port on a DPCE-R-4XGE-XFP and I'm seeing receive FIFO
> errors incrementing and packet loss above about 7.1gb.  The docs says if
> that counter is ever non-zero it could be a bad PIC but I've tried two
> different cards, SCBs, XFPs, etc. and it's the same result  This is on
> an MX240 13.3R7.4 with SCB-MX960-S.
> It performs at full 10G with imix traffic and anything above about 88
> byte packets so this would probably never be seen in the real world but
> I was curious if anyone had seen this and/or if there are any knobs that
> can tune it?
> Thanks,
> Kevin
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