[F10-nsp] S50n w/ 10ge Input CRCs/Discards

[Marcus Stoegbauer]

On 28.04.11 17:12, Doug Warner wrote:
> We're trying to deploy 10ge upstream to our S50n stack (read, all the port 0
> modules are stacking modules).  We're seeing a decent amount of Input
> CRCs/Discards and can't get the link to go > ~120Mbps.  We've replaced
> *everything* in this link (other than the upstream RSP) -- fiber, 10ge module,
> XFPs and are still seeing this problem.  Flow control is off on both ends; CPU
> seems fairly low (<12%).
> 
> Any ideas on what might be going on here?  Anyone else having problems w/ 10GE
> on S50?

We used to have 10GE on one S50n (no stack), but only moderate traffic
levels - around 1.2 Gbps. The other side was a S25p, no noticeable
problems/packet loss with this setup.

   Marcus