[netsa-tools-discuss] Cisco AireOS netflow support

[Alex Hautequest]

Hello.

Cisco AireOS (from the Wireless Lan Controllers) have the ability to export NetFlow v9 data off its WLANs. Unfortunately, Cisco decided to use a few non-standard fields [1] to the protocol [2], therefore rendering almost all but a few limited number of netflow collectors unusable. Also unfortunate is the fact Silk is too affected by their decision.

With that said, any chance this can be evaluated and incorporated into a newer Silk version?

Thanks and regards,

[1] https://www.cisco.com/c/en/us/products/collateral/wireless/8500-series-wireless-controllers/qa_c67-722538.html

[2] 
Q.    Can AVC be used with third-party management tools?
A.     The information exported by AVC is in the standard NetFlow Version 9 format and certainly lends itself to use with third-party tools. One example third-party tool that can create custom reports for Cisco AVC is Plixer Scrutinizer.
Q.    What are the supported export formats?
A.     AVC currently supports the NetFlow Version 9 export format. The following unique elements are included in the current version of the wireless AVC NetFlow record:
 ●   applicationTag
 ●   ipDiffServCodePoint
 ●   octetDeltaCount
 ●   packetDeltaCount
 ●   postIpDiffServCodePoint
 ●   staIPv4Address
 ●   staMacAddress
 ●   wlanSSID
 ●   wtpMacAddress

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