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Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Chapter 11 Configuring Interface Characteristics
Using Interface Configuration Mode
Beginning in privileged EXEC mode, follow these steps to define an interface range macro:
Use the no define interface-range macro_name global configuration command to delete a macro.
When using the define interface-range global configuration command, note these guidelines:
• Valid entries for interface-range:
–
vlan vlan-ID- vlan-ID, where the VLAN ID is 1 to 4094
–
fastethernet stack member/module/{first port} - {last port}, where the module is always 0
–
gigabitethernet stack member/module/{first port} - {last port}, where the module is always 0
–
port-channel port-channel-number - port-channel-number, where the port-channel-number
is 1 to 48.
Note When you use the interface ranges with port channels, the first and last port-channel
number must be active port channels.
• You must add a space between the first interface number and the hyphen when entering an
interface-range. For example, gigabitethernet1/0/1 - 4 is a valid range; gigabitethernet1/0/1-4 is
not a valid range.
• The VLAN interfaces must have been configured with the interface vlan command. The show
running-config privileged EXEC command displays the configured VLAN interfaces. VLAN
interfaces not displayed by the show running-config command cannot be used as interface-ranges.
• All interfaces defined as in a range must be the same type (all Fast Ethernet ports, all Gigabit
Ethernet ports, all EtherChannel ports, or all VLANs), but you can combine multiple interface types
in a macro.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
define interface-range macro_name
interface-range
Define the interface-range macro, and save it in NVRAM.
• The macro_name is a 32-character maximum character string.
• A macro can contain up to five comma-separated interface ranges.
• Each interface-range must consist of the same port type.
Step 3
interface range macro macro_name Select the interface range to be configured using the values saved in
the interface-range macro called macro_name.
You can now use the normal configuration commands to apply the
configuration to all interfaces in the defined macro.
Step 4
end Return to privileged EXEC mode.
Step 5
show running-config | include define Show the defined interface range macro configuration.
Step 6
copy running-config startup-config (Optional) Save your entries in the configuration file.
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