406CHAPTER 16: INTERNET PROTOCOL (IP)

ip interface define

Defines an IP interface.

(3900/9300/9400/

Valid Minimum Abbreviation

9000 Layer 2)

 

ip i def

3500

9000

9400

3900

9300

Important Consideration

Before you define the IP (routing) interface, first define a virtual LAN (VLAN) and select IP as a protocol that the VLAN supports, as described in Chapter 16.

Options

Prompt

Description

Possible Values

[Default]

 

 

 

 

IP address

IP address of the interface,

A valid IP address

 

chosen from the range of

in the range of

 

 

addresses that the central agency

addresses that

 

 

assigned to your organization.

are assigned to

 

 

This address is specific to your

your

 

 

network and system.

organization

 

Subnet mask

32-bit number that uses the

A valid subnet

Depends on

 

same format and representation

mask in

specified IP

 

as an IP address. The subnet

accordance with

address

 

mask determines which bits in

the bits that are

 

 

the IP address are interpreted as

used for network

 

 

the network number, the

number,

 

 

subnetwork number, and the

subnetwork, and

 

 

host number. Each IP address bit

host number

 

 

that corresponds to a 1 in the

 

 

 

subnet mask is in the

 

 

 

network/subnetwork part of the

 

 

 

address. Each IP address bit that

 

 

 

corresponds to a 0 is in the host

 

 

 

part of the IP address.

 

 

VLAN interface

Index number of the IP VLAN

A selectable

Current

index

that is associated with the IP

 

VLAN index

value

 

interface.

? (for a list of

 

 

(Not applicable if you have more

 

 

 

selectable

 

 

than one VLAN)

 

VLAN

 

 

 

 

indexes)

 

 

 

 

 

 

IP Interface Define Example

Enter IP address: 158.101.1.1

Enter subnet mask [255.255.0.0]: 255.255.255.0

Enter VLAN interface index {2?}[2]:2

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3Com 3500 manual Defines an IP interface, 3900/9300/9400, Layer, IP Interface Define Example, Chosen from the range Range