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Weird PPPoE behavior

I use a DSL modem which bridges traffic to the Sophos. The Sophos has a PPPoE interface and builds up the connection.

Yesterday I upgraded from a Sophos SG 105 to a 135, since then the PPPoE connections doesn't work anymore. I see many failed tries in the pppoe.log.

The weird thing: when I start using tcpdump on the ethernet interface, I can see traffic and the pppoe negotiation gets successful. I've noticed this behavior many times.

Any ideas on this?

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0 timreck over 4 years ago

OK, some progress: the problem seems to be fixed when I set the WAN interface into promiscuous mode...
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0 emmosophos over 4 years ago in reply to timreck

Hello Timreck,

Thank you for the update on what solved the issue.

Regards,

Emmanuel (EmmoSophos)

Technical Team Lead, Global Community Support
Sophos Support Videos | Product Documentation | @SophosSupport | Sign up for SMS Alerts
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0 emmosophos over 4 years ago in reply to timreck

Hello Timreck,

Thank you for the update on what solved the issue.

Regards,

Emmanuel (EmmoSophos)

Technical Team Lead, Global Community Support
Sophos Support Videos | Product Documentation | @SophosSupport | Sign up for SMS Alerts
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