3Com 3C13636 Configuration Manual page 255

3Com Router 3000 Ethernet Family
Configuration Guide
Enter specified Ethernet interface view
Set the network protocol address
Configure Maximum Transmission Unit (MTU)
Select the operating speed of Ethernet interface
Select the operating mode of Ethernet interface
Enable or disable loopback
Configure flow-control mode of GE interface
Configure the operating mode of GE interface
Configure the operating mode of Ethernet interface
The specified Ethernet interface cannot be configured unless you enter its interface
view. It is necessary to configure IP address. You are recommended not to enable other
configuration tasks of Ethernet interface, as their default settings are enough for the
normal operation of the system in most circumstances.
I. Entering specified Ethernet interface view
Perform the following configuration in system view.
Table 2-1 Enter the specified Ethernet interface view
Enter the specified Ethernet interface view
Enter GE interface view
II. Setting network protocol address
Perform the following configuration in Ethernet interface view.
Table 2-2 Assign an IP address to the interface
Assign an IP address to the interface
Remove the IP address of the interface
When an Ethernet interface is configured with two or more IP addresses, use the
keyword "sub" to identify the second one and those behind it (that is, the secondary IP
addresses).
III. Configuring MTU
The configuration of MTU can affect the fragment and reassembly of IP packets.
Perform the following configuration in Ethernet interface view.
Operation
Operation
3Com Corporation
2-2
Chapter 2 LAN Interface Configuration
Command
interface ethernet number
interface
interface-number
Command
ip address ip-address mask [ sub ]
undo ip address [ ip-address mask ]
[ sub ]
gigabitethernet