I don't remember this specific question, and this may
be the 'Cisco' answer, but...
A VLAN is a broadcast domain. As such, one can have as
many devices as their IP addressing (or other
protocol) scheme will allow within the limitations of
the MAC/CAM table of the switch and the ARP table of
the router. This is at least 1K and I think is 8K on
the 5500 per VLAN.
In addition, there are over 1000 VLANs available on
the Cat5500/6500 platform, not counting the hidden
ones. So, technically, one could get really big
numbers - much bigger than 'the right answer.'
In practice, with NetBIOS services, a max of 200 nodes
per broadcast domain is advised, and performance can
start to drop at the 30 VLAN level. Your experience
may vary. ;)
--- Chuck Larrieu wrote:
> Congratulations on passing!
>
> However, it is wise to distinguish between Cisco's
> answers and the Truth :->
>
> Chuck
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of
> William E. Gragido
> Sent: Wednesday, June 13, 2001 4:16 PM
> To: [EMAIL PROTECTED]
> Subject: RE: Vlans - maximum no of devices [7:8128]
>
> Each Vlan can accomadate 254 with each switch
> accomadating a max of 256
> devices...its was on my Switching exam today....I
> passed ;-)
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of
> Chris Haller
> Sent: Tuesday, June 12, 2001 6:46 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Vlans - maximum no of devices [7:8128]
>
>
> If I remember correctly, each VLAN is it's own
> subnet.
> And therefore, if each vlan is it's own subnet, you
> can only have 254 devices attached to each subnet.
>
> You may wanna check that on CCO.
>
>
> --- John Kale wrote:
> > hi all,
> >
> > I read somewhere that there can only be a maximum
> of
> > 254 devices in a vlan.
> > I'm currently redesigning a network that would
> have
> > a vlan containing about
> > 300 devices. Is the 254 restriction a design one?
> > Please can someone
> > enlighting me on this issue.
> >
> >
> > regards,
> >
> >
> > Tunde
> >
>
_________________________________________________________________________
> > Get Your Private, Free E-mail from MSN Hotmail at
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> [EMAIL PROTECTED]
>
>
> =====
> Chris from Chicago
> MasterCNE, 5.x CNE, ICNE, 4.x CNE, CCNA, MCP
>
> __________________________________________________
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=====
Robert Padjen
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