[j-nsp] em0/em1 intreface

[Saku Ytti]

On (2012-03-16 22:21 +0200), Saku Ytti wrote:

Reread the OP and seems the implication of fxp->em was not ever made. Just
fxp[12] -> em[01].
So confusion was just mine. And indeed new REs uses 1GE/em[01] for internal
signalling instead of 100M/fxp[12] (but all still use 100M/fxp0 for
management)

> On (2012-03-16 12:05 -0700), Doug Hanks wrote:
> 
> > Depends on the platform, hardware, and routing engine.
> > 
> > At least on the MX the current RE uses em0 and em1.
> 
> This gives the impression in conjunction with OP that there is agreement
> that fxp has been replaced by em. I'm not sure if that implication was
> intended or not.
> However that is not true, fxp are on-band dedicated management ethernet
> (please JNPR, take page from CSCO and roll proper oob ethernet, like CMP).
> While em are used for internal signalling.
> And current RE model uses both, but obviously for different purpose.
> 
> > >Hi All, Just wanted to clarify my understanding in emo and em1 interface.
> > >
> > >In the latest hardware (REs/CBs), juniper have replaced he fxp1 and fxp2
> > >interface with em0 and em1. Is this right?
> 
> -- 
>   ++ytti

-- 
  ++ytti