Edge-Core ECS4810-12M Layer 2 Management Manual page 1031

Table 124: show udld - display description (Continued)
Field Description
Port State Shows the UDLD port state (Unknown, Bidirectional, Unidirectional,
Transmit-to-receive loop, Mismatch with neighbor state reported,
Neighbor's echo is empty)
The state is Unknown if the link is down or not connected to a UDLD-
capable device. The state is Bidirectional if the link has a normal two-way
connection to a UDLD-capable device. All other states indicate
mis-wiring.
Msg Invl The interval between UDLD probe messages used for the indicated
operational state
Timeout The time that UDLD waits for echoes from a neighbor device during the
detection window
– 1031 –
| UniDirectional Link Detection Commands
C 32
HAPTER