Issue With Netflow Conversation
Hi,
We are running Netflow Analyser 8.6 monitoring a mixture of MPLS and ADSL routers. We have an issue on our ADSL routers, they are Cisco C837s.
We see three interfaces in netflow; virtual-access, dialer1, and Ethernet0. The ATM and Dialer interfaces report inbound and outbound traffic respectively and the Ethernet interface reports inbound and outbound. We only wish to Manage the Ethernet0 interface and monitor both directions. The issue is that on the Ethernet interface the Conversation is the wrong way round i.e. internal to external is shown on the inbound and external to internal is shown on the outbound.
This is the configuration we are using:
interface Ethernet0
ip address xxx.xxx.xxx.xxx 255.255.255.0
ip route-cache flow
hold-queue 100 out
!
interface ATM0
description xxxxxx
no ip address
ip route-cache flow
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
!
interface ATM0.1 point-to-point
ip policy route-map SetPrecedence
pvc 0/38
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
!
interface Dialer1
ip unnumbered Ethernet0
encapsulation ppp
ip route-cache flow
dialer pool 1
dialer-group 1
ppp authentication chap callin
ppp chap hostname xxxxx
ppp chap password 0 xxxxx
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
ip route xxx.xxx.xxx.xxx 255.255.255.0 xxx.xxx.xxx.xxx
ip http server
no ip http secure-server
ip flow-export source Ethernet0
ip flow-export version 5
ip flow-export destination xxx.xxx.xxx.xxx 9996
!
snmp-server community xxx RO
snmp-server ifindex persist
snmp-server enable traps tty
snmp-server enable traps ipmulticast
We had a similar issue on our MPLS circuits which are managed and the service provider told us they fixed it by using the ip route ingress and ip route egress commands however these C837s only support ip route ingress.
Does anyone have any suggestions on how I can configure this router to show the conversation the correct way round on the Ethernet0 interface.
Many thanks in advance,
Phill
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