A question about default vlan

A question about default vlan

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Subject Author Date
A question about default vlan aaabbb16 07-02-2008
Posted by Doug McIntyre on July 12, 2008, 1:50 am
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aaabbb16@hotmail.com writes:
>How to config a access port with multiple Vlan using cisco switch?

You can't on current hardware.

Ancient hardware supported 'multi vlan mode', but it was a very
confusing feature.

What does multiple vlan access port mean to you, and why wouldn't you
consider this a huge security risk?

Why can't you do whatever you need to with a trunked port? Almost
every ethernet card now-a-days supports .1q trunking natively.

I suspect Cisco removed it do to misuse, misunderstanding, and lots of
TAC time taken up by it for something that wasn't really well defined
as it was, sort of like VMPS.




Posted by on July 12, 2008, 12:18 pm
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On 7=D4=C211=C8=D5, =CF=C2=CE=E710=CA=B150=B7=D6, Doug McIntyre <mer...@gee=
ks.org> wrote:
> aaabb...@hotmail.com writes:
> >How to config a access port with multiple Vlan using cisco switch?
>
> You can't on current hardware.
>
> Ancient hardware supported 'multi vlan mode', but it was a very
> confusing feature.
>
> What does multiple vlan access port mean to you, and why wouldn't you
> consider this a huge security risk?
>
> Why can't you do whatever you need to with a trunked port? Almost
> every ethernet card now-a-days supports .1q trunking natively.
>
> I suspect Cisco removed it do to misuse, misunderstanding, and lots of
> TAC time taken up by it for something that wasn't really well defined
> as it was, sort of like VMPS.

Suppose I like to assign a port which can access multiple vlans.
If the PC NIC support 802.1q so that port can config
to trunk port. if the NIC does not support 802.1q. What can I do?
Does cisco trunk port all tagged except native vlan?
I know some vendor can config a port with multiple vlans.

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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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