We will be performing network upgrades across our entire network (Manchester, Bolton, and London) shortly. We will begin with the Bolton and Manchester networks during March 2018. This work will involve replacing our entire switching network with new Cisco switches operating at both Layer 2 and Layer 3 modes. This… Continue reading
At approx. 1:00pm today, we received a DDoS attack against our primary authorative nameserver (ns3). This DDoS attack was a memcached amplification attack which saturated our external connections and caused packet loss to our Bolton and Manchester networks. By 1:30pm, we had filtered the traffic and all packet loss should… Continue reading
One of our IP transit providers, Cogent Communications, is currently offline. Our connectivity remains unaffected and resillient via alternative IP provuiders and peering. Netnorth customers might have experienced a brief period of instability to some destinations at 12:26 (no more than a couple of seconds during reconvergance), but generally won’t… Continue reading
We currently have a BT Fibre Fault on our metro ethernet ring which Openreach are investigating. As designed, our ring continued to operate at reduced resilience with no loss of service. There are no anticipated service issues as a result of this fault. Once BT have investigated and restored service,… Continue reading
We have been notified today by Virgin Media that they will be performing maintenance on 20th October 2017 between midnight and 6am UK local time which will affect one of our fibre circuits that forms our metro ring. Although the maintenance window is 6 hours long, the anticipated circuit outage… Continue reading
IXManchester (A LINX peering point) is performing maintenance on 15th September 2017 between midnight and 6am UK local time. To prevent any disruption to routing, we have administratively shutdown all connections over this peering point overnight. We will re-establish the connections after the maintenance window has completed. Connectivity will re-route… Continue reading
After a satisfactory 3 Week Soak Test, we brought the Virgin Media fibre circuit back into service tonight @ 17:33.
3 Week Soak Test, commenced 17-07-2017 During this test phase we have monitored a sustained stable connection,with all relevant protocols present, over the ‘sandboxed’ fibre circuit from Virgin Media. We intend to bring the fibre circuit back into service on Wednesday 09-08-2017 @ 17:30. We do not anticipate this to… Continue reading
At 6:32pm this evening, we were alerted to a full outage of our network in both Bolton and Manchester. After remote diagnostics failed, an engineer attended one of the sites to perform detailed analysis. Early analysis showed a large amount of traffic operating on our core ring network which looked… Continue reading
We have identified a switch stack member failure at 8:15am this morning in our BOL2 location. This is part of our 10G ring and, as such, has caused a break of the resilience in this circuit. Any customer directly connected to this particular switch stack member will see an outage. … Continue reading