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I have a pair of Brocade switches with ISLs running between them. I'd like to know if it's possible to be alerted when one of the ISL ports goes from an E_PORT to anything else (particularly a U_PORT). I am about to write a /sh script on a management box that will run a portshow command every 15 minutes and email me if it doesn't see what I need it to, but there has to be an easier way. How do you monitor your ISL ports?

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Do you still need to nail down anything else related to this question? –  Mike Pennington Jun 26 '12 at 16:19
    
Ideally, a link to something that would help future readers understand how MIBs work. In the end, we ended up incorporating this switch into our SNMP monitoring system. –  Basil Jun 26 '12 at 16:36

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up vote 3 down vote accepted

Use snmpwalk and monitor connUnitPortType (1.3.6.1.3.94.1.10.1.3) from FCMGMT-MIB. Look for the index number of the port. To index into the connUnitPortType table, you'll need to monitor with the index from connUnitPortPhysicalNumber (1.3.6.1.3.94.1.10.1.18)

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