[nsp] low-end L3 switch

[sthaug at nethelp.no]

> Don't confuse the 2948G (which is a decent L2 switch) with the 2948G-L3
> (which is neither a usable L2 switch, nor anything useful on L3).
> 
> We had *so* much trouble with the 2948G-L3, it's absolutely inbelievable.
> 
> The most grave issues are "regular complete lockup of the port ASICs" 
> (meaning "no packets go in and out anymore", production network dead, not
> fixed even though a case was open for over a year) and "if the L3 ACLs on
> the GigE ports exceed a given length, they are silently (!!) deactivated,
> leaving the network wide open".

At my previous employer we actually used the 2948G-L3 with some success.
However, we we *only* used it for IP routing (no L2), no access lists,
and only OSPF as routing protocol. 

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

> 
> The unit was hardware-RMAed twice, so it's not a hardware fault.  
> 
> The box's design is fundamentally broken - there is a good reason why the
> 8500 series were discontinued pretty quickly.  The 2948G-L3 is just a
> fixed-config 8500.
> 
> gert
> -- 
> USENET is *not* the non-clickable part of WWW!
>                                                            //www.muc.de/~gert/
> Gert Doering - Munich, Germany                             gert at greenie.muc.de
> fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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