11-12
Catalyst 3750 Switch Software Configuration Guide
78-16180-02
Chapter 11 Configuring Interface Characteristics
Configuring Ethernet Interfaces
This example shows how to define an interface-range named enet_list to include ports 1 and 2 on switch
1 and to verify the macro configuration:
Switch# configure terminal
Switch(config)# define interface-range enet_list gigabitethernet1/0/1 - 2
Switch(config)# end
Switch# show running-config | include define
define interface-range enet_list GigabitEthernet1/0/1 - 2
This example shows how to create a multiple-interface macro named macro1:
Switch# configure terminal
Switch(config)# define interface-range macro1 fastethernet1/
0/1 - 2, gigabitethernet1/0/1
- 2
Switch(config)# end
This example shows how to enter interface range configuration mode for the interface-range macro
enet_list:
Switch# configure terminal
Switch(config)# interface range macro enet_list
Switch(config-if-range)#
This example shows how to delete the interface-range macro enet_list and to verify that it was deleted.
Switch# configure terminal
Switch(config)# no define interface-range enet_list
Switch(config)# end
Switch# show run | include define
Switch#
Configuring Ethernet Interfaces
These sections describe the default interface configuration and the optional features that you can
configure on most physical interfaces:
• Default Ethernet Interface Configuration, page 11-12
• Configuration Guidelines for 10-Gigabit Ethernet Interfaces, page 11-14
• Configuring Interface Speed and Duplex Mode, page 11-14
• Configuring IEEE 802.3z Flow Control, page 11-17
• Configuring Auto-MDIX on an Interface, page 11-18
• Configuring Power over Ethernet on an Interface, page 11-19
• Adding a Description for an Interface, page 11-20
Default Ethernet Interface Configuration
Table 11-1 shows the Ethernet interface default configuration, including some features that apply only
to Layer 2 interfaces. For more details on the VLAN parameters listed in the table, see Chapter 13,
“Configuring VLANs.” For details on controlling traffic to the port, see Chapter 24, “Configuring
Port-Based Traffic Control.”
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