[mrtg] Re: MRTG and VLAN again.

[Chu, Quang]

 On the subject of VLAN monitoring, does anyone know where I can get the OID
for VLAN activity on a CISCO switch if it's even possible?  THnks

Daniel

-----Original Message-----
From: metha Tharaporn
To: mrtg at list.ee.ethz.ch
Sent: 10/23/2003 10:19 PM
Subject: [mrtg] MRTG and VLAN again.

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Hi All
        I have a AVAYA Cajun P882 switch and I need to graph the traffic
=
statistic for each VLAN on it with MRTG. Below is the process AVAYA's =
SMON Manager work to collect and display the VLAN Statistic on AVAYA =
switchs.
1. after you had started the P882 Device Manager - Device SMON - VLAN =
Statistics

2. the SMON manager (written by Avaya) will go and learn
-   the modules installed in the switch using ProminetMIB - Avaya =
private MIBs
-   the vlans configured in the switch (ProminetMIB)
-   it will then learn what are the interfaces (ports) installed (using
=
RMON and ProminetMIB)

3. when the Device SMON manager polled the switch for info
-   it will first retrieve the switch current time (MIB2)
-   Using ProminetMIB - find the vlans active on the switch and the vlan
=
assigned to each port
-   once they know the ports, it will retrieve ifInOctets, =
ifInUcastPkts, ifInNUcastPkts (MIB2) from all the ports

4. The Device SMON manager will then sum the ifInOctets, ifInUcastPkts,
=
ifInNUcastPkts for each vlan and then present it in the graph.

        Because, SMON statistics does not just poll the data from a =
single object. I have to use several different MIBs object to get the =
information required. Because of I know a little about MRTG and MIB. My
=
question are:=20
        1. Can I do graph the VLAN statistic of each VLAN on AVAYA =
switch by MRTG like                 SMON manager or not ?=20

        The attachment are all the MIB files used by SMON manager and =
also a sniffer trace file showing how SMON manager collect the VLAN =
statistic. Any advice, tips, feedback, etc. would be greatly =
appreciated.

Regards      =20
MethaT





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