Network
Operations Center (NOC)

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European dedicated servers

Network problem NL DC, Meppel
January 30th, 2018

Start Time: 17/01/2018 00:00 (CET)
End Time: 17/01/2018 00:00 (CET)
Duration: 80:00 min

Dear Customer,

You are receiving this message because of partly problem with network connectivity and NL DC, Meppel

Service Type = IP transit
Service interruption: Some client in NL DC, Meppel had an interruption with a network connection.
Reason: Defective hardware

When the problem started our monitoring systems didn’t show us any abnormal information like volume or anomaly traffic. Even the Syslog system didn’t give us any clear information about root reason of the problem. To detect and fix the problem we tried many things and even restart of Cisco router but after the restart, the same problems came back. Therefore all customer’s connections were disabled on the affected routers and we enabled them one by one until we found the uplinks which caused all problems. After a while, it was found and disconnected.

We are investigating which kind of abnormal traffic was generated, why the CPU on both Cisco routers was affected and how we can avoid this kind of problem in the future.

We apologize for the inconvenience.