[j-nsp] Netflow / JFlow questions

[Brian Spade]

Hi,

On Tue, Aug 31, 2010 at 6:01 PM, Chris Evans <chrisccnpspam2 at gmail.com>wrote:

> Have a few questions for some folks who have implemented JFlow..
>
> I have a working jflow setup with basic ipv4 and ingress collection on a
> m7i
> with a services pic and also on a MX platform with the MS-DPC blade.
>
> #1 - Is egress netflow supported? It appears that only ingress is
> supported.
>

No, but I know Juniper has this as an enhancement request.


> #2 - Why do all examples that I can find say to use a firewall filter to
> sample traffic, I have successfully used the 'set interface xx-x/x/x unit
> xx
> family inet sample' command. This appears to be the new way of doing it.
>

Either way will work fine.


> #3 - In my lab I have a MPLS VPN setup and am trying to netflow interfaces
> within the VRF. As it appears the device can only do ingress netflow I also
> need to sample the mpls interface. Does anyone have an example of how to
> gather netflow stats from both the vrf and mpls pe <> p interfaces?
>

Not sure, maybe someone else can answer.

/bs