gig-default
Configures the Gbps fiber negotiation mode on individual ports, overriding the global configuration mode.
Syntax
gig-default
{
neg-full-auto
|
auto-gig
|
neg-off
}
no gig-default
{
neg-full-auto
|
auto-gig
|
neg-off
}
Command Default
The globally configured Gbps negotiation mode is the default mode for all Gbps fiber ports.
Parameters
- neg-full-auto
- Configures the port to first try to perform a handshake with the other port to exchange capability information. If the other port does not respond to the handshake attempt, the port uses the manual configuration (or the defaults if an administrator has not configured the information). That is, the device performs autonegotiation first and if it is failed then performs non-autonegotiation. This is the default.
- auto-gig
- Configures the port to try to perform a handshake with the other port to exchange capability information.
- neg-off
- Configures the port to not try to perform a handshake. Instead, the port uses information that was manually configured by an administrator.
Modes
Interface configuration mode
Usage Guidelines
NOTE
When Gbps negotiation mode is turned off (CLI command
gig-default neg-off), the device may inadvertently take down both ends of a link. This is a hardware limitation for which there is currently no workaround.
The no form of the command resets the configuration to the default of trying to perform a handshake with other ports to exchange capability information.
Examples
The following example sets the negotiation mode to auto-gig mode for ports 1/1/1 to 1/1/4.
device(config)# interface ethernet 1/1/1 to 1/1/4 device(config-mif-1/1/1-1/1/4)# gig-default auto-gig