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External interface cycling up/down

UTM 9.205-12 software appliance running in an ESXI 5.1 VM

3 Intel PRO 1000 NICs (external, wireless, internal)
Setup as VMXNET3 in ESXi

The external interface (connected to a Rogers cable modem) is cycling up/down every 2 to 5 minutes.
No error lights on the cable modem.
UTM dashboard shows Error on eth2 then Up, then Error etc

Any suggestions where to look?

TIA,

Mike

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0 BAlfson over 10 years ago

Mike, do you see anything related with #1 in Rulz?

Cheers - Bob

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0 BarryG over 10 years ago

Possibly related: I've got a client with an UTM120 w 9.205 on Comcast/Xfinity and the UTM dashboard is showing errors on the WAN interface.

He's using the Comcast router in NAT mode, fwiw.

Barry
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0 Mike_Cunningham over 10 years ago

Power cycling the cable modem fixed the problem for about 1 1/2 hours, then the problem would come back.I replaced the UTM with an old laptop and found the same issue as on the UTM.

Called Rogers support, they connected and did *something*. It's been up steady ever since.

Thanks for responding Bob and Barry.
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0 BAlfson over 10 years ago

FWIW, I've also solved a similar problem by leaving the modem off for a minute instead of just power-cycling.

Cheers - Bob

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Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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External interface cycling up/down

Submitted a Tech Support Case lately from the Support Portal?