North American Network Operators Group
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Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?

  • From: Alexei Roudnev
  • Date: Mon Jan 26 12:08:28 2004 
ISL _DOES NOT CHANGE_ packet size. 

> Is it April 1st? ISL changes the size of packets, does it not? So know 
> you have to deal with MTU issues. What happens when I want the biggest 
> MTU possible? I know it is not much a difference in size, but for some 
> people, size does matter.
> 
> I am quite happy with dot1q. My gripe is with poor spanning-tree 
> > 2) Of course, VLAN does not infer routing. But VLAN routing can be 
> > provided
> > on the switch fabric, effectively bypassing many traditional drawbacks 
> > - see
> > Cisco 6509, for example.
> 
> Are you talking about multilayer switching implementations? That is why 
> C came out with dCEF. I costs, but if you want to do serious routing, 
> damn if it ain't fast ;-)
Agree in general.