[c-nsp] 3508 / GBIC ZX / Minimum IOS

[Mikael Abrahamsson]

On Tue, 9 Jan 2007, Gert Doering wrote:

> You might need to play with port negotiation - I've never understood what
> autonegotiation is *good* for on GigE fiber ports ("single possible speed,
> always full duplex") but if one side is set to negotiate, and the other
> side to *not* do it, you won't get a link.  BTDT.

With autoneg you won't have oneway up because with autoneg enabled both 
sides will know if the other end sees light or not. The link wont be up 
before both ends has light.

Huge operational advantage. Too bad for instance the GSR doesn't do 
autoneg on gig in any reliable fashion.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se