How to monitor IPv4 and IPv6 traffic separately using MRTG ?

Dear All,

Thanks in advance

Can anyone help me on the above issue , we are using MRTG to monitor traffic on a cisco device.

But we are able to see total traffic on a port but i want to create separate graphs for ipv4 and ipv6 using MRTG.

please help me on the above issue.

Regards,

nitin