Owner`s manual

154 | Interfaces
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shutdown
Disable an interface.
Syntax
shutdown
To activate an interface, enter no shutdown.
Defaults
The interface is disabled.
Command Modes
INTERFACE
Command
History
Usage
Information
The show tdr command marks a physical interface as unavailable for traffic. To discover if an interface
is disabled, use the show ip interface command. Disabled interfaces are listed as down.
Disabling a VLAN or a port channel causes different behavior. When a VLAN is disabled, the Layer 3
functions within that VLAN are disabled. Layer 2 traffic continues to flow. Entering the show tdr
command on a port channel disables all traffic on the port channel and the individual interfaces within
the port channel. To enable a port channel, you must enter no show tdr on the port channel interface
and at least one interface within that port channel.
The show tdr and description commands are the only commands that you can configure on an interface
that is a member of a port channel.
Related
Commands
speed (for 1000/10000/auto interfaces)
Set the speed for 1000/10000 Base-T Ethernet interfaces. Both sides of a link must be set to the same
speed (1000/10000) or to auto or the link may not come up.
Syntax
speed {1000 | 10000 | auto}
To return to the default setting, use the no speed {1000 | 10000 | auto} command.
Parameters
Defaults
auto
Version 8.3.17.0 Supported on M I/O Aggregator
vlan tagged
Test the condition of copper cables on 100/1000/10G Base-T
modules.
interface vlan Creates a VLAN.
show ip interface
Displays the interface routing status. Add the keyword
brief to display a table
of interfaces and their status.
1000 Enter the keyword 1000 to set the interface’s speed to 1000 Mb/s.
10000 Enter the keyword 10000 to set the interface’s speed to 10000 Mb/s.
(Auto-negotiation is enabled. See name for more information)
auto Enter the keyword auto to set the interface to auto-negotiate its speed.
(Auto-negotiation is enabled. See name for more information)