Netflow Version 5 or 9? + Configuration on a Cisco 6500
I have a few questions regarding Netflow and I’m hoping you guys can help me out. We have an internet facing 6500 Layer 3 switch running BGP, i want to turn on Netflow and capture a sample of all the traffic on the interfaces that connect us to other Autonomous Systems (AS's) in a bid to ascertain where the traffic is going, or to which AS our traffic is going outbound.
I obviously want to use sampling so i propose 1 in every 512 packets to be sent to the Netflow server, now my dilemma is do i configure Netflow with the usual commands or do i use the:
mode random one-out-of 512
ip route-cache cef
ip flow-cache timeout active 1
ip flow-cache timeout inactive 15
ip flow-export source Loopback0
ip flow-export version 9 origin-as
ip flow-export destination 18.104.22.168 9996
snmp-server ifindex persist
Switch(config)#mls flow ip full
Switch(config)#mls nde sender version 5
mls sampling packet-based 512
mls aging long 300
mls aging normal 120
is the MLS commands just to enable Netflow for layer 2 exports?
Also i have a choice between version 5 and 9, i want to monitor traffic inbound and outbound on an interface, i have read on the internet that exports only work in one direction on version 5?
Does anyone know any decant windows based Netflow software that is value for money and supports monitoring of traffic between autonomous systems? - I’m about to trial Scrutinizer Netflow Analyser.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.