[c-nsp] 10/100/1000 copper SFP in ASR9k / autoneg

[Phil Mayers]

On 19/10/11 13:30, Mohacsi Janos wrote:

> Correct. Their current generation of line-cards does not support
> 10/100/1000 copper SFP auto-negotiation. It is rather painful sometimes:
> dumb non-configurable auto-nego switch on the other side sometimes
> configured to 100 Mbps half-duplex after restart. Then complain from the
> users because of the packet drops... ..

Funnily enough that is exactly what was happening.

>> I've got to know - surely there must be a good reason?
>
> According to Cisco - they selected a cheaper chip - without
> auto-negotiation.

Haha!