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Netflow on ASA5520

ASA5520 version 8.4(2) 15

I can not get it to report Netflow to the collection agent at 10.10.28.154  Below are commands configured on ASA.

access-list NETFLOW extended permit ip any any

flow-export destination INSIDE 10.10.28.154 2055

snmp-server host INSIDE 10.10.28.154 community ***** version 2c

class-map GLOBAL-NETFLOW

match access-list NETFLOW

policy-map global_policy

class inspection_default

  inspect dns preset_dns_map

  inspect ftp

  inspect h323 h225

  inspect h323 ras

  inspect rsh

  inspect rtsp

  inspect esmtp

  inspect sqlnet

  inspect skinny

  inspect sunrpc

  inspect xdmcp

  inspect sip

  inspect netbios

  inspect tftp

  inspect ip-options

class GLOBAL-NETFLOW

policy-map global-policy

class GLOBAL-NETFLOW

  flow-export event-type all destination 10.10.28.154

Please help me on this...

5 Replies 5

jakewilson
Level 1
Level 1

Hello,  Do you have access to the ASDM interface?  There is a video on youtube that expains how to enable NetFlow using ASDM.   Also, have you enabled a packet analyzer at the collector to verify that flow datagrams are reaching it?

Jake

Hi Jake,

I dont have access to ASDM Interface i am trying it in CLI and i didnt enabled packet analyzer at the collector..

Thanks

Naresh

Hello Naresh,

Can you add

flow-export template timeout-rate 1

flow-export delay flow-create 60

Then let me know

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC

I tried those commands but not luck..

Naresh

Hello Naresh,

Really,

Can you share the entire configuration please and the following outputs:

show flow-export counters

show service-policy global flow ip host [source IP] host [dest IP]

Regards


Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
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