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◆
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.
Example
This forces the switch port to master mode on port 24.
Console(config)#interface ethernet 1/50
Console(config-if)#no negotiation
Console(config-if)#speed-duplex 1000full
Console(config-if)#giga-phy-mode master
Console(config-if)#
negotiation
This command enables auto-negotiation for a given interface. Use the no form to
disable auto-negotiation.
Syntax
[no] negotiation
Default Setting
Enabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
◆
1000BASE-T 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 the switch will negotiate the best settings
for a link based on the
disabled, you must manually specify the link attributes with the
and
◆
If auto-negotiation is disabled, auto-MDI/MDI-X pin signal configuration will
also be disabled for the RJ-45 ports.
Example
The following example configures port 11 to use auto-negotiation.
Console(config)#interface ethernet 1/11
Console(config-if)#negotiation
Console(config-if)#
capabilities
flowcontrol
commands.
– 299 –
Chapter 10
Interface Configuration
command. When auto-negotiation is
| Interface Commands
speed-duplex
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