Configuring Loopback Detection For Ethernet Port - 3Com 4210 9-Port Configuration Manual

Configuring Loopback Detection for Ethernet Port(s)
Table 1-6 Configure loopback detection for Ethernet port(s)
Operation
Enter system view
Enable loopback
detection globally
Enable loopback
detection on the
specified ports in bulk
Set the interval for
performing port loopback
detection
Enter Ethernet port view
Enable loopback
detection on a specified
port
Enable loopback port
control on the trunk or
hybrid port
Enable the loopback port
auto-shutdown function
Configure the system to
run loopback detection
on all VLANs of the
current trunk or hybrid
port
Command
system-view
loopback-detection enable
loopback-detection
interface-list enable
loopback-detection
interval-time time
interface interface-type
interface-number
loopback-detection enable
loopback-detection control
enable
loopback-detection
shutdown enable
loopback-detection
per-vlan enable
1-6
Remarks
—
Optional
By default, the global loopback
detection function is enabled if the
device boots with the default
configuration file (config.def); if the
device boots with null configuration,
this function is disabled.
Optional
By default, the loopback detection
function is enabled on ports if the
device boots with the default
configuration file (config.def); if the
device boots with null configuration,
this function is disabled.
Optional
The default is 30 seconds.
—
Optional
By default, the loopback detection
function is enabled on ports if the
device boots with the default
configuration file (config.def); if the
device boots with null configuration,
this function is disabled.
Optional
By default, the loopback port control
function is enabled on ports if the
device boots with the default
configuration file (config.def); if the
device boots with null configuration,
this function is disabled.
Optional
By default, the loopback port
auto-shutdown function is enabled on
ports if the device boots with the default
configuration file (config.def); if the
device boots with null configuration,
this function is disabled.
Optional
By default, the system runs loopback
detection only on the default VLAN of
the current trunk or hybrid port.