Interfaces | 253
Figure 13-27.  Setting Auto-Negotiation Options 
Adjust the Keepalive Timer
To change the time interval between keepalive messages on the interfaces, use the keepalive command. The 
interface sends keepalive messages to itself to test network connectivity on the interface.
To change the default time interval between keepalive messages, use the following command:
To view the new setting, use the 
show config command in INTERFACE mode.
View Advanced Interface Information
Display Only Configured Interfaces
The following options have been implemented for the show [ip | running-config] interfaces command. When 
you use the 
configured keyword, only interfaces that have non-default configurations are displayed. 
Figure 13-28 shows the possible 
show commands that have the configured keyword available.
Command Syntax Command Mode Purpose
keepalive [seconds]
INTERFACE Change the default interval between keepalive 
messages.
FTOS(conf)# int tengig 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)#