C
HAPTER
27
| Interface Commands
Interface Configuration
– 978 –
10full - Supports 10 Mbps full-duplex operation
10half - Supports 10 Mbps half-duplex operation
flowcontrol - Supports flow control
DEFAULT SETTING
100BASE-TX: 10half, 10full, 100half, 100full
1000BASE-T: 10half, 10full, 100half, 100full, 1000full
1000BASE-SX/LX/LH (SFP): 1000full
COMMAND MODE
Interface Configuration (Ethernet, Port Channel)
COMMAND USAGE
◆ The 1000BASE-T standard does not support forced mode. Auto-
negotiation should always be used to establish a connection over any
1000BASE-T port or trunk.
◆ When auto-negotiation is enabled with the negotiation command, the
switch will negotiate the best settings for a link based on the
capabilities command. When auto-negotiation is disabled, you must
manually specify the link attributes with the speed-duplex and
flowcontrol commands.
EXAMPLE
The following example configures Ethernet port 5 capabilities to include
100half and 100full.
Console(config)#interface ethernet 1/5
Console(config-if)#capabilities 100half
Console(config-if)#capabilities 100full
Console(config-if)#capabilities flowcontrol
Console(config-if)#
RELATED COMMANDS
negotiation (981)
speed-duplex (983)
flowcontrol (980)
description This command adds a description to an interface. Use the no form to
remove the description.
SYNTAX
description string
no description
string - Comment or a description to help you remember what is
attached to this interface. (Range: 1-64 characters)
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