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Configuring Netflow on my Cisco 2821 Router

Posted on 2010-09-08
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Last Modified: 2012-08-13
I have a cisco 2821 router that I need to configure netflow on.  I just got Solarwinds Orion with the Netflow addin, but I need to cofigure my router for netflow first.  My collection port number in solarwinds is 2055.  I want to configure netflow on the below interface:

interface GigabitEthernet0/0
 description Verizon_T1
 ip address x.x.x..97 255.255.255.224
 ip nat inside
 ip policy route-map CABLE-WEB
 duplex auto
 speed auto

What do I have to do to configure netflow on this interface?  Thanks.
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Question by:denver218
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Accepted Solution

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Istvan Kalmar earned 500 total points
ID: 33627171
Hi,

you need:

Router(config-if)# ip route-cache flow
Router(config)# ip flow-export source Giga 0/1
Router(config)# ip flow-export version 5 origin-as
Router(config)# ip flow-export destination xx.xx.xxx.xxx 2055
Router(config)# ip flow-cache timeout active 5
Router(config)# ip route-cache flow
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Author Comment

by:denver218
ID: 33627337
This command doesn't work:

Router(config)# ip route-cache flow
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Expert Comment

by:Istvan Kalmar
ID: 33627497
HI,

in this case you need to upgrade your IOS!

Please provide us 'sh ver' command output
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Author Closing Comment

by:denver218
ID: 33629927
This worked.  Thanks.
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