Example (Master/
Slave)
FTOS(conf)# int gi 0/0
FTOS(conf-if)#neg auto
FTOS(conf-if-autoneg)# ?
end          Exit from configuration mode
exit         Exit from autoneg configuration mode
mode         Specify autoneg mode
no           Negate a command or set its defaults
show         Show autoneg configuration information
FTOS(conf-if-autoneg)#mode ?
forced-master Force port to master mode
forced-slave  Force port to slave mode
FTOS(conf-if-autoneg)#
Example 
(Configured)
FTOS#show interfaces configured
GigabitEthernet 13/18 is up, line protocol is up
Hardware is Force10Eth, address is 00:01:e8:05:f7:fc
   Current address is 00:01:e8:05:f7:fc
Interface index is 474791997
Internet address is 1.1.1.1/24
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 1000 Mbit, Mode full duplex, Master
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interfaces" counters 00:12:42
Queueing strategy: fifo
Input Statistics:
...
User Information
Both sides of the link must have auto-negotiation enabled or disabled for the link to come up.
The following details the possible speed and auto-negotiation combinations for a line between 
two 10/100/1000 Base-T Ethernet interfaces.
Port 0
• auto-negotiation enabled* speed 1000 or auto
• auto-negotiation enabled speed 100
• auto-negotiation disabled speed 100
• auto-negotiation disabled speed 100
• auto-negotiation enabled* speed 1000 or auto
Port 1
• auto-negotiation enabled* speed 1000 or auto
• auto-negotiation enabled speed 100
• auto-negotiation disabled speed 100
• auto-negotiation enabled speed 100
• auto-negotiation disabled speed 100
Link Status Between Port 1 and Port 2
• Up at 1000 Mb/s
• Up at 100 Mb/s
• Up at 100 Mb/s
• Down
• Down
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