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WldWzl · ‎Sep 9 2019

@dsekely_brs that is correct, your issue sounds almost identical to what we experienced before having the MX port MTU changed. We found the issue first with our ISRs and were able to make adjustments until we found an MTU that Verizon would work with, happened to be 1350.

WldWzl · ‎Sep 9 2019

I have had issues with Verizon LTE and MTU, in our environment we had to drop the MTU to 1350 to get stable performance, this was a change made on the MX side by support. We ran into this with another vendor's LTE modem as well.

WldWzl · ‎Jun 24 2019

New to the community and new avatar.

WldWzl · ‎Jun 24 2019

So we are getting Netflow, and it is sourcing from an expected IP, so we are good there. The issue appears to be the flow data is sending the source interface register as "0" which on our flow processor is designated as Null0, so the flow data is displayed as everything going to the "WAN/Tunnel" interface as going to Null.

WldWzl · ‎Jun 22 2019

Hey all, has anyone had experience getting the MX firewalls netflow processed by a collector? We are using LiveAction and I cannot get the traffic from the “LAN” side to the AutoVPN tunnel it process correctly. Traffic going to the tunnel or direct to internet show up as Null0. I was able to do a packet capture and see the flow packets going from the correct interface to WAN0, but am not seeing that in the flow collector. Thanks all.

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