This is a known problem with the Net-SNMP agent on Linux with tun interfaces.
They seem to go up and down without any correlation top reality.
A work-around you could use would be to edit your InterfaceMap data collector
plugin ($ZENHOME/Products/DataCollector/plugins/zenoss/snmp/InterfaceMap.py).
Add a line right before the "return om" at the end of the processInt method to
manually set the operStatus if it is a tun interface.
if om.id.startswith('tun') and om.adminStatus == 1: om.operStatus = 1
Once you make this change, you should restart Zope with "zopectl restart" and
remodel the device. You should see that the operStatus within Zenoss is now set
to up.
Let me know if this works out for you and I will submit the patch to the main
tree.
-------------------- m2f --------------------
Read this topic online here:
http://community.zenoss.com/forums/viewtopic.php?p=10563#10563
-------------------- m2f --------------------
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