主 题：洛杉矶重大问题：
Cogent 和 Zayo 的底层光纤电缆大范围故障导致洛杉矶地区的网络稳定性下降。
发 布 者：anarkh35
标签分类： 日常
时 间：2026-09-03 01:39:48
内容预览：Los Angeles Major issue:Widespread underlying fiber-optic cable failures affecting Cogent and Zayo have led to reduced network stability in the Los Angeles area.Due to nested leasing arrangements within US Tier-1 backbones, the impact has extended to GTT and Arelion.Packet loss has been observed on routes from Los Angeles toward the East (including Europe); the DMIT NOC has temporarily removed some of the most severely affected routes.Some AS174 and AS3257 single home networks are not able to be migrated for network reachablity reason.https://tranzact.zayo.com/ !/networkStatushttps://ecogent.cogentco.com/network-status洛杉矶重大问题：Cogent 和 Zayo 的底层光纤电缆大范围故障导致洛杉矶地区的网络稳定性下降。由于美国一级骨干网内部存在嵌套租赁安排，此次故障的影响范围已扩展至 GTT 和 Arelion。从洛杉矶到东部（包括欧洲）的路由已出现丢包现象；DMIT 网络运营中心 (NOC) 已暂时关闭部分受影响最严重的路由。部分 AS174 和 AS3257
直达链接： https://www.nodeseek.com/post-908320-1
Cogent 和 Zayo 的底层光纤电缆大范围故障导致洛杉矶地区的网络稳定性下降。
发 布 者：anarkh35
标签分类： 日常
时 间：2026-09-03 01:39:48
内容预览：Los Angeles Major issue:Widespread underlying fiber-optic cable failures affecting Cogent and Zayo have led to reduced network stability in the Los Angeles area.Due to nested leasing arrangements within US Tier-1 backbones, the impact has extended to GTT and Arelion.Packet loss has been observed on routes from Los Angeles toward the East (including Europe); the DMIT NOC has temporarily removed some of the most severely affected routes.Some AS174 and AS3257 single home networks are not able to be migrated for network reachablity reason.https://tranzact.zayo.com/ !/networkStatushttps://ecogent.cogentco.com/network-status洛杉矶重大问题：Cogent 和 Zayo 的底层光纤电缆大范围故障导致洛杉矶地区的网络稳定性下降。由于美国一级骨干网内部存在嵌套租赁安排，此次故障的影响范围已扩展至 GTT 和 Arelion。从洛杉矶到东部（包括欧洲）的路由已出现丢包现象；DMIT 网络运营中心 (NOC) 已暂时关闭部分受影响最严重的路由。部分 AS174 和 AS3257
直达链接： https://www.nodeseek.com/post-908320-1
