4 Command Line Interface

Table 4-72 Basic IP Configuration Commands (Continued)

Command

Function

Mode

Page

 

 

 

 

ip dhcp restart

Submits a BOOTP or DCHP client request

PE

4-207

 

 

 

 

show ip interface

Displays the IP settings for this device

PE

4-208

 

 

 

 

show ip redirects

Displays the default gateway configured for this device

PE

4-208

 

 

 

 

ping

Sends ICMP echo request packets to another node on the

NE,

4-209

 

network

PE

 

ip address

This command sets the IP address for the currently selected VLAN interface. Use the no form to restore the default IP address.

Syntax

ip address {ip-address netmask bootp dhcp} no ip address

•ip-address- IP address

•netmask - Network mask for the associated IP subnet. This mask identifies the host address bits used for routing to specific subnets.

•bootp - Obtains IP address from BOOTP.

•dhcp - Obtains IP address from DHCP.

Default Setting

DHCP

Command Mode

Interface Configuration (VLAN)

Command Usage

•You must assign an IP address to this device to gain management access over the network. You can manually configure a specific IP address, or direct the device to obtain an address from a BOOTP or DHCP server. Valid IP addresses consist of four numbers, 0 to 255, separated by periods. Anything outside this format will not be accepted by the configuration program.

•If you select the bootp or dhcp option, IP is enabled but will not function until a BOOTP or DHCP reply has been received. Requests will be broadcast periodically by this device in an effort to learn its IP address. (BOOTP and DHCP values can include the IP address, default gateway, and subnet mask).

•You can start broadcasting BOOTP or DHCP requests by entering an ip dhcp restart command, or by rebooting the.

Caution: Only one VLAN interface can be assigned an IP address (the default is VLAN 1). This defines the management VLAN, the only VLAN through which you can gain management access to the switch. If you assign an IP address to any other VLAN, the new IP address overrides the original IP address and this becomes the new management VLAN.

4-206