C
HAPTER
26
| Interface Commands
Interface Configuration
– 734 –
EXAMPLE
The following example enables flow control on port 5.
Console(config)#interface ethernet 1/5
Console(config-if)#flowcontrol
Console(config-if)#no negotiation
Console(config-if)#
RELATED COMMANDS
negotiation (735)
capabilities (flowcontrol, symmetric) (731)
giga-phy-mode This command forces two connected ports into a master/slave
configuration to enable 1000BASE-T full duplex for Gigabit ports. Use the
no form to restore the default mode.
SYNTAX
giga-phy-mode mode
no giga-phy-mode
mode
master - Sets the selected port as master.
slave - Sets the selected port as slave.
DEFAULT SETTING
master
COMMAND MODE
Interface Configuration (Ethernet: Ports 25-26)
COMMAND USAGE
â—† 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. If not used, the success of the link process
cannot be guaranteed when connecting to other types of switches.
However, this switch does provide a means of forcing a link to operate
at 1000 Mbps, full-duplex using the giga-phy-mode command.
â—† To force 1000full operation requires the ports at both ends of a link to
establish their role in the connection process as a master or slave.
Before using this feature, auto-negotiation must first be disabled, and
the Speed/Duplex attribute set to 1000full. Then select compatible Giga
PHY modes at both ends of the link.
â—† If auto-negotiation is enabled at the far end of a link, and disabled on
the local end, a link should eventually be established regardless of the
selected giga-phy mode.
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