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Flexible Netflow ISR 4451

dotansplus
Level 1
Level 1

Hello

 

I tried to configure netflow in a ISR4451, but in solar winds I have this error: "details for interface gi0/0/0 on router-test are not available because netflow and CBQos data are not available.

This is the configuration:

 

flow record v4_r1
 match ipv4 tos
 match ipv4 protocol
 match ipv4 source address
 match ipv4 destination address
 match transport source-port
 match transport destination-port
 collect counter bytes long
 collect counter packets long
!
!
flow exporter EXPO1
 destination x.x.x.x
 transport udp 90
!
!
flow monitor FLOWMON1
 exporter EXPO1
 record v4_r1
!

!
interface GigabitEthernet0/0/0
 ip address y.y.y.y z.z.z.z
 ip flow monitor FLOWMON1 input
 ip flow monitor FLOWMON1 output
!

What am I missing?.

 

Thanks 

3 Replies 3

milan.kulik
Level 10
Level 10
Hi, IMHO, you are not sending the info which interface was detecting the flow to your collector. You'd need to add match interface output/input commands to your flow record configuration. But as SolarWinds collector is a non-Cisco product, I'd recommend using predefined traditional records ("record netflow ipv4 original-input", e.g.) within your flow monitor configuration. See http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fnetflow/configuration/15-mt/fnf-15-mt-book/fnf-fnetflow.html#GUID-96190B11-23AC-4A08-9D85-D552616596D6 for details. Last but not least: Are you sure your collector is configured to receive NetFlow on UDP port 90? Best regards, Milan

Hello Milan, thanks for the reply.

 

the match interface output/input to my flow record is the gi0/0/0 witch I had this commands:

 

 ip flow monitor FLOWMON1 input
 ip flow monitor FLOWMON1 output

 

is that what are you refering?.

Yes, our collector is configured to receive NetFlow on UDP port 90.

 

Thanks!.

Hi,

no, what I meant was

flow record v4_r1

...
match interface input

 

in your config.

 

But as I said, I'd recommend to use

flow monitor FLOWMON1
record netflow ipv4 original-input

instead of your customized record.

 

Best regards,

Milan

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