HP J3245A User Manual download pdf (Page 123)

7-17

Advanced Concepts

Virtual LANs (VLANs)

Advanced Concepts

■ If you are managing VLANs with SNMP in an IP network, either configure

an IP address and subnet mask for each VLAN or use the (default) Bootp

feature to download an IP configuration from a Bootp server. Refer to

“Internet (IP) Service Features” on page 3-9 or to appendix E, “Bootp

Operation”.

■ If you are managing VLANs with SNMP in an IPX network, configure the

IPX gateway encapsulation and gateway node. (An IPX node address is

automatically assigned to each VLAN interface.) Refer to “IPX Service

Features'' on page 3-7.

How To Configure a VLAN

In the factory default configuration, all ports on the Switch 800T belong to a

physical broadcast domain named “DEFAULT_VLAN”. You can divide the

switch ports into multiple virtual broadcast domains by adding one or more

VLANs. Because the default VLAN permanently exists in the switch, adding

one new VLAN results in two VLANs existing in the switch. Adding another

VLAN results in three VLANs existing in the switch, and so on.

Note If you add one or more new VLAN(s), you should then reboot the switch. (A

new VLAN will not appear as an option in the Port VLAN Assignment screen

until after the switch is rebooted.) If you create a new VLAN without also

rebooting the switch, you will be prompted to choose whether to reboot the

switch before entering the Port VLAN Assignment screen. When you move a

port to a VLAN, the new assignment is automatically enabled, and it is not

necessary to reboot the switch a second time.

To create a new VLAN and/or move ports into a VLAN, use the following two

procedures.

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HP J3245A User Manual Page 123