North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?

  • From: Niels Bakker
  • Date: Sun Jan 25 17:04:14 2004

* [email protected] (Jeff S Wheeler) [Sun 25 Jan 2004, 22:10 CET]:
> On Sun, 2004-01-25 at 14:44, Will Hargrave wrote:
>> I would check the Foundry Fastiron series - maybe the 4802. Everything
>> I've read appears to indicate they support all 4096 vlans
>> simultaneously, although you will of course want to verify this. 
> I don't think this is true. Those of you with BigIron units know that
> (at least in m3 supervisors) they support only 512 vlans at most. I do
> not think the older, and generally less capable, FastIron switches are
> likely to support more.
> 
> The command to check this on BigIron is `show default values`.

That indicates a maximum of 4095 on a recent switch here that runs the
layer-2 only image.  Older models appear to have a limit of 2048, but
I can't tell for sure whether this is hardware or software related.

Configurability is, of course, no guarantee for things to actually work.


	-- Niels.