Zyxel GS2210-48HP [328/444] Chapter 37 zuld

Zyxel GS2210-48HP [328/444] Chapter 37 zuld
Chapter 37 ZULD
GS2210 Series User’s Guide
328
37.3 ZULD Configuration
Use this screen to enable ZULD on a port, configure a mode and set the probe time. To open this
screen, click Advanced Application > ZULD > Configuration.
Mode This field indicates what ZULD will do when a unidirectional link is detected. In Normal
mode, ZULD only sends a syslog and trap when it detects a unidirectional link. In
Aggressive mode, ZULD shuts down the port (puts it into an ErrDisable state) as well
as sends a syslog and trap when it detects a unidirectional link.
Probe Time Probe time is the length of time that ZULD waits before declaring that a link is
unidirectional. When the probe time expires, and one port (either on the Switch or the
connected device) still has not received an OAMPDU, then ZULD declares that the link is
unidirectional.
Link State This field shows the following link states:
Linkdown: This is an initialization state, where the port is not yet up.
Probe: This indicates that ZULD is discovering the connected device on this link.
Bidirectional: Traffic sent by the Switch is received by the connected device on this
link, and traffic from the connected device on this link is received by the Switch.
Unidirectional: The state of the link between the port and its connected port cannot
be determined either because no ZULD message was received, or one port is not
capable of sending traffic.
Shutdown: The port has been shut down because its link with the connected device
is unidirectional and ZULD is in Aggressive mode.
Remote Operation This field displays whether ZULD is enabled or disabled on the connected device on this
link. ZULD must be enabled on the connected device and on the port that’s connecting to
the Switch.
Remote MAC Addr This is the MAC address of the port on the connected device to which the port of the
Switch is connected.
Remote Port This is the port number of the port on the connected device to which the port of the
Switch is connected.
Table 158 Advanced Application > ZULD Status (continued)
LABEL DESCRIPTION

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