Hi, Please update our mirror IP address, information has been listed below. HTTP: http://ftp.sjtu.edu.cn/centos/ HTTPS: https://ftp.sjtu.edu.cn/centos/ RSYNC: rsync://ftp.sjtu.edu.cn/centos/ Sync schedule: Once every 4 hours Bandwidth: 1 Gbps Location: Shanghai, China Sponsor: SJTU Sponsor URL: https://www.sjtu.edu.cn/ IPv4 address to authorize: 202.38.97.230, 202.120.58.157 IPv6 address to authorize: 2001:da8:8000:6023::230 Email contact: colins [at] sjtu.edu.cn Mirroring AltArch: No Thanks, Colins