[mrtg] MRTG can't get vlan traffic of huawei (maybe known as 3com)

Steve Shipway s.shipway at auckland.ac.nz
Thu Feb 26 20:19:10 CET 2009

If you can get information from the physical interfaces, then this means your SNMP settings are working (unless you have granted the community permissions only for a certain part of the tree, which would be very unusual)

Have you tried to snmpwalk the tree to see if the interface information for the vlans is there?  It may be that your device is reporting zeros and so that is what MRTG is graphing.  In this case, check the device.

If you can no longer retrieve the required objects in the MIB, try regenerating the configuration file with cfgmaker - maybe you have changed the device configuration, and the interfaces (and vlan interfaces) have been reenumerated?  If you have used the ifIndex rather than ifName or ifDesc for MRTG to identify the interface, then a reenumeration may result in MRTG no longer looking in the correct place.


From: mrtg-bounces at lists.oetiker.ch [mrtg-bounces at lists.oetiker.ch] On Behalf Of 张磊 [zhangstones at yahoo.com.cn]
Sent: Friday, 27 February 2009 3:36 a.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] MRTG can't get vlan traffic of huawei (maybe known as 3com)

Dear friends:
      I don't know why,but one day ,I found that my MRTG system can't get the vlan traffic of my HuaWei switch 8505.But all physical interfaces's traffic on 8505 switch still could be got.
      Because I have never noticed wether this situation happened before, so I have no idea now.The log files of each vlan interfaces contain timestamp with all 0 next to each of them.

      Can all of you help me ,please?

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