[j-nsp] Using multiple sources for flows on Logical Systems

Alexander Arseniev arseniev at btinternet.com
Wed Nov 23 08:06:36 EST 2016


Hello,

Have You tried to duplicate Your LS IP on master system lo0.0, and 
explicitly set "source-address" for each LS-mapped Jflow instance to be 
one of these duplicated IPs?

if You worry about leaking these IP to Your IGP, then JUNOS has tools to 
selectively disallow lo0.0 IP into IGP.

Thanks
Alex


On 23/11/2016 11:51, Epafras R Schaden wrote:
> Hello All,
>
>   
>
> We have an MX480 configured to export IPFIX flows to a server. Now, we have created some Logical Systems on the router to provide something like a “virtual router” to some of our customers on this location.
>
>   
>
> I have now configured some of those instances to export flows to the same flow server, but the objective is to monitor each logical system as a different router. But, I realized that all flows are going with the same “source router” and is the master instance source address, as explained in the documentation bellow:
>
>   
>
> https://kb.juniper.net/InfoCenter/index?page=content&id=KB27035&actp=search#oVDDK8SlxYPs227b.97
>
>   
>
> http://www.juniper.net/documentation/en_US/junos16.1/topics/example/active-monitoring-on-logical-systems-configuring.html
>
>   
>
> The question is, has anyone had this claim yet? Is there any way to configure the router to send the flows with different source addresses per logical system?
>
>   
>
> Any help will be appreciated.
>
>   
>
> Thanks
>
>   
>
> Epafras Schaden
>
> Sunnyvale Networks.
>
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