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?
* [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.
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