506
Configuring UDLD
How to Configure UDLD
Enabling UDLD on an Interface
Command
Purpose
1.
configure terminal
Enters global configuration mode.
2.
udld
{
aggressive
|
enable | message
time
message-timer-interval
}
Specifies the UDLD mode of operation:
aggressive
—Enables UDLD in aggressive mode on all fiber-optic
ports.
enable
—Enables UDLD in normal mode on all fiber-optic ports on
the switch. UDLD is disabled by default.
An individual interface configuration overrides the setting of the
udld enable
global configuration command.
For more information about aggressive and normal modes, see
message time
message-timer-interval
—Configures the period of
time between UDLD probe messages on ports that are in the
advertisement phase and are detected to be bidirectional. The
range is from 1 to 90 seconds.
Note:
This command affects fiber-optic ports only. Use the
udld
interface configuration command to enable UDLD on other port types.
For more information, see
Enabling UDLD on an Interface, page 506
.
3.
end
Returns to privileged EXEC mode.
Command
Purpose
1.
configure terminal
Enters global configuration mode.
2.
interface
interface-id
Specifies the port to be enabled for UDLD, and enters interface
configuration mode.
3.
udld
port
[
aggressive
]
UDLD is disabled by default.
udld port
—Enables UDLD in normal mode on the specified port.
udld port aggressive
—Enables UDLD in aggressive mode on the
specified port.
Note:
Use the
no udld port
interface configuration command to disable
UDLD on a specified fiber-optic port.
For more information about aggressive and normal modes, see
.
4.
end
Returns to privileged EXEC mode.
Summary of Contents for IE 4000
Page 12: ...8 Configuration Overview Default Settings After Initial Switch Configuration ...
Page 52: ...48 Configuring Interfaces Monitoring and Maintaining the Interfaces ...
Page 108: ...104 Configuring Switch Clusters Additional References ...
Page 128: ...124 Performing Switch Administration Additional References ...
Page 130: ...126 Configuring PTP ...
Page 140: ...136 Configuring CIP Additional References ...
Page 146: ...142 Configuring SDM Templates Configuration Examples for Configuring SDM Templates ...
Page 192: ...188 Configuring Switch Based Authentication Additional References ...
Page 244: ...240 Configuring IEEE 802 1x Port Based Authentication Additional References ...
Page 298: ...294 Configuring VLANs Additional References ...
Page 336: ...332 Configuring STP Additional References ...
Page 408: ...404 Configuring DHCP Additional References ...
Page 450: ...446 Configuring IGMP Snooping and MVR Additional References ...
Page 490: ...486 Configuring SPAN and RSPAN Additional References ...
Page 502: ...498 Configuring Layer 2 NAT ...
Page 770: ...766 Configuring IPv6 MLD Snooping Related Documents ...
Page 930: ...926 Configuring IP Unicast Routing Related Documents ...
Page 976: ...972 Configuring Cisco IOS IP SLAs Operations Additional References ...
Page 978: ...974 Dying Gasp ...
Page 990: ...986 Configuring Enhanced Object Tracking Monitoring Enhanced Object Tracking ...
Page 994: ...990 Configuring MODBUS TCP Displaying MODBUS TCP Information ...
Page 996: ...992 Ethernet CFM ...
Page 1066: ...1062 Using an SD Card SD Card Alarms ...