Verifying Interface Status
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Range of Interfaces |
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Command |
{port-range} |
Enter interface range configuration mode by entering the range of interfaces (VLANs or physical ports) to be configured. •You can use the interface range command to configure up to five port ranges or a previously defined macro. •Each comma-separated port-range must consist of the same port type. You do not need to enter spaces before or after the comma. When you define a range, the space between the first port and the hyphen is required. |
© 2002, Cisco Systems, Inc. All rights reserved. Cisco CCIE Prep v1.0—Module 5-37
The table below lists the various Cisco IOS commands that can be used to verify the status of the interfaces on the Catalyst 3550.
|
Command |
Purpose |
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3550# show interfaces [interface-id] |
Displays the status and configuration of all interfaces or a specific interface. |
|
3550# show interfaces interface-id status [err-disabled] |
Displays interface status or a list of interfaces in error-disabled state. |
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3550# show interfaces [interface-id] switchport |
Displays administrative and operational status of switch ports. You can use this command to determine if a port is in routing or switching mode. |
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3550# show interfaces [interface-id] description |
Displays the description configured on an interface or all interfaces and their status. |
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3550# show ip interface [interface-id] |
Displays the usability status of all interfaces configured for IP or the specified interface. |
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3550# show ip interface brief |
Displays a brief summary of all IP interfaces. |
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3550# show running-config interface [interface-id] |
Displays the running configuration of a particular interface. |
|
3550# show interfaces [interface-id] |
Displays the status and configuration of all interfaces or a specific interface. |
This section describes how to configure EtherChannel on Layer 2 and Layer 3 interfaces. EtherChannel provides fault-tolerant high-speed links between switches, routers, and servers.
Continue reading here: Ether Channel Overview
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