[c-nsp] Assigning VLANs on a per-subnet basis

[Brian Johnson]

> 
> We basically found out that a Fujitsu FlashWave 4500 shelf 2 
> cannot do the
> same thing the ONS15454 can in regards to routing.  It would 
> be possible to
> put everyone on the same VLAN, but then the routers would:
> A) share the same broadcast traffic

YUCK!

> B) it wouldn't be possible to rate-limit on a per-company basis

YUCK!

> C) a bad network event, such as a worm, could starve the 
> other companies

DOUBLE YUCK!

> 
> We're leaning toward a 3750 because there are models with 4 
> SFP's, while the
> 4948 only has up to 2, I believe.  There's also consideration 

The 4948s we use have 4 SFPs.

> for a Extreme
> switch.  Does anyone have an opinion on the 3750's horsepower 
> to route up to
> a 1 Gbps in what are likely mostly small-sized packets?  

I would suggest the 4948 instead. We switched out four 3750s for 4948s on
our Fiber-to-the-Home Ethernet system and they work well for us. YMMV. ;)