How to monitor bandwidth of vlan on switch

Unanswered Question
Jan 20th, 2011

Hi all,

I need your help to monitor or to see the bandwidth of vlan on switch, I read that this process is with VLAN access maps but I don’t know how.

Could you give me one example of configuration?

Thanks in advance

I have this problem too.
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sean_evershed Thu, 01/20/2011 - 18:49

Hi,

How is your network monitoring tool configured? Do you want to a span port to direct traffic to this device for analysis?

If so see below an example config for a 6500

http://www.cisco.com/en/US/products/hw/switches/ps708/products_white_paper09186a008017b753.shtml

A simpler alternative is to use SNMP polling to monitor bandwidth consumption on a VLAN interface.

Please remember to rate posts that are helpful.

jprodrig01 Thu, 01/20/2011 - 20:35

Mi network topology is attached , I don`t have vlan port only two trunks ports, about 30 vlans in this moment, and I need the input rate and output rate of each vlan on the trunks.

thanks for your help

sean_evershed Fri, 01/21/2011 - 01:13

Do the VLANs only exist on the VMWare Server?

Assuming your 4500 switch has the capability I would suggest configuring Netflow.

This will allow you to graph bandwidth utilization for source and destination IP addresses.

jprodrig01 Fri, 01/21/2011 - 07:57

yes the VLANs only exist on the VMWare Server, Im going to try to configure netflow  I don´t know if switch has the capability.

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Posted January 20, 2011 at 5:52 PM
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