Tente Criar regras de pos e p´re
adicione no firewall regras de pre e pos para cada ip que deseja monitorar.
iptables -t mangle -A POSTROUTING -d 192.168.0.51 -j ACCEPT
iptables -t mangle -A PREROUTING -s 192.168.0.51 -j ACCEPT
e crie o script ex: mrtgstats-ip51 com:
#!/bin/bash
# circuito: 0100
# ip: 192.168.0.51
# cliente: nome do cliente
down=`iptables -t mangle -L POSTROUTING -nvx | awk '/192.168.0.51/{print $2}'`
up=`iptables -t mangle -L PREROUTING -nvx | awk '/192.168.0.51/{print $2}'`
echo "$down"
echo "$up"
e acrescente no mrtg.cfg
#---------------------
# Monitorar ip 51
#---------------------
Target[192.168.0.51]: `/etc/mrtg/mrtgstats-ip51`
Title[192.168.0.51]: "Trafego do IP - 192.168.0.51 "
Maxbytes[192.168.0.51]: 1250000
PageTop[192.168.0.51]: <h1>Tráfego do IP - 192.168.0.51 - Everson</h1>
Options[192.168.0.51]: growright
logo em seguida recrie a index...
