3Com 2500 manual Enter IP address, Enter subnet mask 255.255.0.0 255.255.255.0 Enter cost

9-6 CHAPTER 9: ADMINISTERING IP ROUTING

Defining an IP When you define an IP VLAN interface, you specify several interface VLAN Interface characteristics, as well as the index of the VLAN associated with the

interface.

You must first define a VLAN, as described in Chapter 8, Administering VLANs, before you define an associated IP VLAN interface.

Top-Level Menu

system

fddiethernet	➧interface			summary
atm		route
		arp		detail
bridge
			➧
➧ip		atmArpServdefiner
		multicast		modify
ipx
		udpHelperremove
appletalk
	routing			addAdvertisement
snmp				removeAdvertisement
analyzer
		rip		addPVC
script		ping		removePVC
logout
		statistics

To define an IP VLAN interface:

1From the top level of the Administration Console, enter:

ip interface define

The Console prompts you for the interface’s parameters. To use the value in brackets, press [Return] at the prompt.

2Enter the IP address of the interface.

3Enter the subnet mask of the network to which the interface is to be connected.

4Enter the cost value of the interface.

5Enter the type of IP interface: VLAN.

6Enter the advertisement address for this interface.

7Enter the index of the VLAN associated with the interface.

Example:

Enter IP address: 158.101.1.1

Enter subnet mask [255.255.0.0]: 255.255.255.0 Enter cost [1]:

Enter interface type (vlan, lis) [vlan]:

Enter advertisement address(es) [158.101.1.255]: IP VLANs:

Index Ports

31-8

49-12

Select VLAN index: 3

If you physically change the configuration of your system after defining IP interfaces, the ports designated for those interfaces might no longer be valid and you might want to reconfigure your interfaces.