OT: Scripting / help identifying trunk ports

Hi there,

I am writing some scripts with SNMP and I am trying to think some ways of
identifying that an interface is either a trunk port (trunk oper status) or
an access interface between two switches (nontrunk oper status).

For the "trunking oper status" I am already using an SNMP OID
(1.3.6.1.4.1.9.9.46.1.6.1.1.14) which says if the port is trunking (INTEGER:
2) or if it is not trunking (INTEGER: 1). The fun is in trying to identify
an access port between two switches (not tagging), or the contrary would
work too, identifying an interface that is connected to a host (not swtich).

Should not rely on CDP, Interface admin status, vlan, etc...

Anybody that can think of some way or been there, done that?

Regards

Blogs and organic groups at http://www.ccie.net
Received on Tue Aug 04 2009 - 23:00:12 ART