VLAN Membership

I'm trying to learn about VLANs and am confused about membership.  I understand port based and MAC address based membership, but what I'm interested in is IP subnet based.  Figure 17-1 in the link below is exactly what I'm trying to do:
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2950/12120ea2/2950scg/swvlan.htm#wp1111866

How do you define subnet/VLAN membership?

The switch I'm using is the Netgear FSM726:
http://www.netgear.com/products/details/FSM726.php


wynbryantAsked:
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tlteeCommented:
I believed figure 17-1 is the basic vlan configuration.

You assign ports into diff vlans. (e.g. VLAN 10 , 20 , 30)
Then for each vlan you use a seperate subnet... VLAN 10 - 10.1.10.0/24, VLAN 20 - 10.1.20.0/24, VLAN 30 - 10.1.30.0/24

Then at the L3 switch or a cisco router, you create the gateway for the 3 vlan.
Interface vlan 10
  ip address 10.1.10.254 255.255.255.0
Interface vlan 20
  ip address 10.1.20.254 255.255.255.0
Interface vlan 30
  ip address 10.1.20.254 255.255.255.0

then they should be able to route between each other. U need to enable ISL or 802.1Q for the trunking port carrying all 3 vlan to the core L3 switch or router.

regards,
Tee

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