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General • Sudden L2TP (IPSec) tunnel failure...

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We have had a tunnel up for over 5 years using L2TP and IPsec between two RB4011iGS+ with no issues.

This morning, without any reason, my log was filled with: "phase1 negotiation failed due to time up ....." and the connection will not establish. The calling side is just sitting there with a "waiting for packets..." message. We have rebooted everything and are running 7.14.2 on both routers.

The actual error message is: "phase1 negotiation failed due to time up x.x.x.x[500]<=>y.y.y.y500] 53734ac3cb3e9e8a:6030c1d61b3ea9ac"

*(public IP's are x/y)


We have had no configuration changes in almost a year.

Has anyone seen this before?

-Scott

Statistics: Posted by netispguy — Thu Apr 04, 2024 8:11 pm



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