Netgear M4100-D12G (GSM5212v1h1) - 10‐port GE + 2 GE Combo L2 Managed PD Switch Guía Del Software
Utility Commands
438
M4100 Series ProSAFE
Managed
Switches
UniDirectional Link Detection Commands
The UDLD feature detects unidirectional links physical ports. A unidirectional link is a
forwarding anomaly in a Layer 2 communication channel in which a bidirectional link stops
passing traffic in one direction. UDLD must be enabled on both sides of the link in order to
detect a unidirectional link. The UDLD protocol operates by exchanging packets containing
information about neighboring devices.
forwarding anomaly in a Layer 2 communication channel in which a bidirectional link stops
passing traffic in one direction. UDLD must be enabled on both sides of the link in order to
detect a unidirectional link. The UDLD protocol operates by exchanging packets containing
information about neighboring devices.
udld enable (Global Config)
This command enables UDLD globally on the switch.
no udld enable (Global Config)
This command disables UDLD globally on the switch.
udld message time
This command configures the interval between UDLD probe messages on ports that are in
the advertisement phase. The range is from 7 to 90 seconds.
the advertisement phase. The range is from 7 to 90 seconds.
udld timeout interval
This command configures the time interval after which UDLD link is considered to be
unidirectional. The range is from 5 to 60 seconds.
unidirectional. The range is from 5 to 60 seconds.
Default
disabled
Format
udld enable
Mode
Global Config
Format
no udld enable
Mode
Global Config
Default
15
Format
udld message time <interval>
Mode
Global Config
Default
5
Format
udld timeout interval <interval>
Mode
Global Config