Broadband users on CityFibre’s UK fiber optic network<\/a> have reported notable connectivity<\/a> issues related to Nokia-manufactured Optical Network Terminals (ONTs). The problems have affected multiple regions across the UK, prompting investigation and response from both CityFibre and Nokia.<\/p>\n The primary problem stems from Nokia G-010G-Q ONT devices experiencing unexpected reboots and connectivity drops. Users across various Internet Service Providers (ISPs) utilizing CityFibre’s network infrastructure<\/a> have reported similar issues, suggesting a widespread hardware-related concern.<\/p>\n <\/p>\n <\/p>\n <\/p>\n \n<\/p><\/tr>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n – Random reboots \n<\/p><\/tr>\n \n<\/p><\/table>\n CityFibre has acknowledged the issues and is working closely with Nokia to implement both short-term fixes and long-term solutions. The company has initiated the following measures:<\/p>\n - Temporary firmware patches to stabilize affected devices The ONT issues have highlighted the challenges of maintaining reliable fiber optic networks at scale. CityFibre’s network, which serves multiple UK regions, has generally maintained high reliability standards, making these hardware-related disruptions notably notable.<\/p>\n Latest firmware updates have been rolled out to address: Affected users are advised to: This situation has broader implications for the UK’s fiber optic infrastructure development, particularly as the country continues its nationwide fiber rollout. The incidents have prompted discussions about hardware diversity and redundancy<\/a> in critical network infrastructure.<\/p>\n CityFibre and Nokia continue to monitor the situation closely, with regular updates being provided to affected ISPs and end users. additional technical solutions are being developed to prevent similar issues in future deployments.<\/p>\n The investigation remains ongoing,with both companies committed to resolving these technical challenges while maintaining network<\/a> expansion plans across the UK. <\/p>\n<\/span>Understanding the Technical Issue<\/span><\/h3>\n
<\/span>Affected Hardware and symptoms<\/span><\/h3>\n
Device Model<\/th>\n Reported Issues<\/th>\n Nokia G-010G-Q<\/td>\n
\n– Connection drops
\n– Intermittent service\n<\/p><\/td>\n<\/span>CityFibre’s Response and Solutions<\/span><\/h3>\n
\n– Deployment of monitoring tools to identify affected units
\n– Interaction channels with ISPs for expedited issue reporting
\n– Plans for potential hardware replacement programs<\/p>\n<\/span>Impact on Network Infrastructure<\/span><\/h3>\n
<\/span>Technical Specifications and Updates<\/span><\/h3>\n
\n– Power management optimization
\n– Network handshake protocols
\n– System stability improvements
\n– Boot sequence modifications<\/p>\n<\/span>User Guidelines and Support<\/span><\/h3>\n
\n1. Document exact times of connectivity issues
\n2. Report problems to their ISP immediately
\n3. Keep ONT devices well-ventilated
\n4. Avoid manual resets unless instructed
\n5. Monitor for firmware update notifications<\/p>\n<\/span>Industry implications<\/span><\/h3>\n
<\/span>Future Developments<\/span><\/h3>\n
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