Chapter 39 ZULD
XGS2210 Series User’s Guide
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• OAM discovery, the sending of OAMPDUs to other ports, is initiated by an active port.
• When ZULD detects a unidirectional link, it sends a syslog and SNMP trap and may shut down the
affected port (Aggresssive Mode).
• If a port on the Switch is shut down by ZULD, and you want to recover it, then do one of the following:
•Go to Basic Setting > Port Setup. Clear Active and click Apply. Then select Active and click Apply
again.
•Go to Advanced Application > Errdiable > Errdisable Recovery and set the interval for ZULD. After
the interval expires, the closed port(s) will become active and start receiving packets again.
• Use the command port no inactive.
• Refer to the ZULD logs to see when a unidirectional link is detected and when it is recovered to a
bidirectional link.
39.2 ZULD Status
Use this screen to see details of unidirectional and bidirectional links discovered by ZULD. To open this
screen, click Advanced Application > ZULD.
Figure 301 Advanced Application > ZULD Status (Standalone mode)
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