RE: CIsco 7206VXR w/NPE-G1 Question

["Luke Starrett" <lstarrett () nc rr com>]

> On Fri, Jan 30, 2004 at 03:29:41PM -0200, Rubens Kuhl Jr. wrote:
> > >   *  The 7206VXR prior to the NPE-G1 could only do around 560Mbps
> > >      per bus typically, due to PCI limitations.
> >
> > Which usually was not a problem with i-mix traffic or ddos-traffic,
> > because pps limitation would hit sooner.
> >
> > >   *  Compiled ACLs on 12.2S perform very well on NPE-G1s.
> >
> > I saw no mention of PXF on NPE-G1; it seemed the path 7200
> would take
> > after NSE-1. What happened ?

> PXF is found in the 7400 (old) and 7300 (newer) series.

Not true.  7401 has a PXF.  It's essentially an NSE-1 with GE/IO in a
pizza box.  7301 is based on the NPE-G1 and doesn't have a PXF anywhere
in sight.  

> The 7400 was extremely unstable until very recently (with 
> 12.2(14)S5 it is quite stable, as long as you have the 
> hardware with the fixed L3 cache or have the L3 cache 
> disabled), which is perhaps why PXF was not pushed so heavily 
> after that experience.
>
> I have not used a 7300.  If you want to look at what features 
> they are pushing into PXF on them, look at the 12.2(20)S 
> release notes.  After the pain of being an early adopter of 
> the 7400 I'm staying well away from the 7300 until I see 
> others using them without stability issues.
>
> 7400 is closely related to the NPE400 (actually NSE-1), 7300 
> is closely related to the NPE-G1.
>
> David.