[mrtg] Monitoring VLAN on Router Cisco

[Fernando Cortes]

Hi all

I have a Router Cisco 3620 IOS 12.1(2) with VLANs associated to the
subinterfaces and I have this problem:
MRTG records the same Bandwith in the subinterface like the main interfaces.
I tried with another subinterfaces and showed me the same results on every
one.

For more details, I have for example in the router the next configuration:

interface FastEthernet0/0
ip address 192.168.254.100 255.255.255.0
ip route-cache policy
ip policy route-map distribucion
speed auto

interface FastEthernet0/1
no ip address
ip acces-group 100 in
speed 100
full duplex

interface FastEthernet0/1.851
encapsulation dot1Q 851
ip address 172.20.5.1 255.255.255.0

snmp-server engineID local xxxxxxxxxxxx
snmp-server community public RO
snmp-server packetsize 2048

And in the MRTG:

Target[192.168.254.100_vlan851]: /172.20.5.1:public at 192.168.254.100:
SetEnv:[192.168.254.100_vlan851]: MRTG_INT_IP="172.20.5.1"
MRTG_INT_DESCR="FastEthernet0/1.851"
MaxBytes[192.168.254.100_vlan851]: 12500000
Title[192.168.254.100_vlan851]: Traffic Analysis for FastEthernet0/1.801
PageTop[192.168.254.100_vlan851]: <H1> Trafico VLAN 851 <H1>
<TABLE>..........................



Thank´s in advance

Fernando

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