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Posted by Denis Jedig on May 27, 2007, 2:09 pm
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On 14 May 2007 00:36:39 -0700 Ozgur Ozdemircili wrote:
> I want to create 2 vlans in this network. 1 is the default vlan which
> I use now, for the workers of the company. And the other one I want to
> create for the visitors.
Be aware that VLANs you create will be completely separated on L2 - they
will be separate broadcast domains and traffic from VLAN1 will not be able
to get to VLAN2 or vice versa. If you want to have IP passing between the
two broadcast domains, you will need a router.
> The question is:
> Do I create Vlan2 in all of the switches?
It would only be necessary to create VLAN2 where you would have your
"visitors" plugged in and in all the switches on the path from the
"visitors" switches to the router. For the ease of administration and
documentation, you typically would create the VLAN on every switch and
assign ports according to the actual needs.
> Do I use trunk ports to connect the switches to each other and the
> main switch?
You surely can use trunking to increase link bandwidth or fault tolerance.
However, trunking does not have anything to do with VLANs (except both
topics being related to Ethernet).
> How do I get DHCP server to serve DHCP addresses to only one VLAN?
That happens all by itself since the VLANs are separated broadcast domains
and DHCP broadcasts will be restrained within one broadcast domain by
design.
--
Denis Jedig
syneticon networks GbR http://syneticon.net/service/
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