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Switch Port Vlans

Created by dave. Last edited by dave, 11 years and 142 days ago. Viewed 5,411 times. #6
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Reading Switch Port VLAN memberships

see: >>http://search.cpan.org/~emiller/SNMP-Info-1.04/Info/Bridge.pm

It queries OID 1.3.6.1.2.1.17.7.1.4.5.1.1 (>>dot1qPvid -- the VLAN-ID assigned to untagged frames or Priority-Tagged frames received on this port)

Note that on some switches this OID requires RW access to the MIB in order to be successful.

Works on:

  • 3c4005 v2
  • 3c4900
  • Cisco 3750 IOS 12.2.x (according to the linked page above)
  • Dell 5324
Doesn't work on:
  • 3c3900 (boo!)
  • Cisco 3750 IOS 12.1.x
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This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.

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