[rrd-users] Re: VLAN Traffic monitoring

[Serge Maandag]

I believe it depends on how your packets are switched.

On smaller switches or when using a simple form of switching, you may try if ifInOctets and ifOutOctets are available:

Try a snmpwalk <ip address> <community> ifDescr

It will, amongst others, spit out the interfaces names and numbers, including the vlan interfaces.
Get ifInOctets and ifOutOctets for the interface number corresponding to the number of the vlan.

If these counters are not increasing, the packets may be layer3 switched.
In that case look here: http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_6_3/confg_gd/nde.htm

Serge.

-----Original Message-----
From: del Prado, Rodrigo [mailto:rprado at broadnet.es] 
Sent: Wednesday, March 05, 2003 11:10 AM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] VLAN Traffic monitoring


Hi all,
 
       I want to monitor Vlans traffic on a Cisco 3660. Vlans are on
interface FastEthernet0/0 and I can see its traffic with "sh vlans" but
I can´t get this data with snmp, which oid points to these vlans? As I
think vlans are on new indexes, but the only indexes that the has are
the physical interfaces. Snmp is activated on interface FastEthernet
(and all other interfaces), but I don´t know if I have to configure
someting else?  The IOS version is 12.1(5)T7. Any help would be
appreciated, thanks in advance and sorry for my english.
 
Regards,
 
Rodrigo del Prado
 

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