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CQM Graphs: Difference between revisions
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[[File:Cqm-packetloss-contactfault.png|none|frame|This line has loss due to a Battery Contact Fault. A copper line test suggest that this should be reported to Openreach as a fault.]]
[[File:Cqm-VPcongestionOrfault.png|none|frame|Packet loss when a downloading but not filling the line]]
This is a rather strange one. There is packetloss when downloading, however the download is not filling the link, but there is still loss, this is unusual. This turned out to be congestion on the Virtual Path within BT, or it may have been miss-configured. It took our escalation staff 3 months to convince BT that the fault was within their network.
===Faulty Switch on the LAN===
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