[j-nsp] Netflow feature for Juniper ?

[Pete Crocker]

Here's the minimum I use:

The global option can be configured as below:

forwarding-options {
     sampling {
         input {
             family inet {
                 rate 1000; /* Sets packet sampling rate, here it is  
1:1000*/
             }
         }
         output {
             cflowd <flow collector IP address> {
                 port 9991; /* port number */
                 source-address <source IP, usually lo0>;
                 version 5;  /* netflow version number */
             }
             flow-active-timeout 60; /*the tool you're using may want  
something different */
             }
         }
}


These settings are per-interface:

interfaces {
   <interface> {
    family inet {
   sampling {
    input;
   }
   ...
    }
    ...
      }
     ...
   }



>>
>> On Sat, 2006-12-16 at 13:04 +0500, Farhan Jaffer wrote:
>>>  I want to configure netflow on Juniper M7i having Junos version
>> 7.6R1.10,
>>> just like ip flow-export & ip route-cache flow (related) commands in
>> Cisco
>>> IOS. Also i like to enable cache flow or ip accounting on any fast
>> ethernet
>>> interface when needed.
>>> Kindly help me to solve this.
>>>
>>> I have configured router for netflow feature using these command,  
>>> but it
>>> didn't work
>>>
>>> interfaces {
>>>     fe-0/3/0 {
>>>         unit 0 {
>>>             family inet {
>>>                 filter {
>>>                     input all;
>>>                     output all;
>>>                 }
>>>                 address 10.0.0.1/24;
>>>             }
>>>         }
>>>     }
>>>
>>> firewall {
>>>     filter all {
>>>         term all {
>>>             then {
>>>                 sample;
>>>                 accept;
>>>             }
>>>         }
>>>     }
>>> }
>>>
>>> forwarding-options {
>>>     sampling {
>>>         input {
>>>             family inet {
>>>                 rate 100;
>>>             }
>>>         }
>>>         output {
>>>             cflowd 10.0.0.100 {
>>>                 port 9800;
>>>                 version 5;
>>>             }
>>>         }
>>>     }
>>> }
>>>
>>> Any comments ??
>>>
>>> Thanks in advance.
>>>
>> --
>> Aaron Dewell
>> Sr. Network/Systems Consultant
>> Woods Networking Consultants, Inc.
>> +1.408.857.0778
>> aaron.dewell at woods.net
>>
>>
>>
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