We experience this problem also. $ ping -c 2 de.archive.ubuntu.com PING ubuntu.mirror.tudos.de (141.30.13.20) 56(84) bytes of data. 64 bytes from c13020.dip.tu-dresden.de (141.30.13.20): icmp_seq=1 ttl=55 time=12.8 ms 64 bytes from c13020.dip.tu-dresden.de (141.30.13.20): icmp_seq=2 ttl=55 time=12.5 ms
--- ubuntu.mirror.tudos.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 12.532/12.693/12.855/0.196 ms Sometimes it also uses the 141.30.13.10 machine, never any other machine. We are also at a German university, and thus connected to tudos.de directly via DFN (German Research Network): > tracepath de.archive.ubuntu.com 1?: [LOCALHOST] pmtu 1500 1: mikado.fim.uni-passau.de 0.364ms 1: mikado.fim.uni-passau.de 0.353ms 2: Transfer-Lst-Brandenburg-FW.c6006.rz.uni-passau.de 0.802ms 3: uni-fw-1.rz.uni-passau.de 0.529ms 4: core.rz.uni-passau.de 1.170ms 5: xr-reg1-ge8-6.x-win.dfn.de 3.493ms 6: cr-erl1-be5.x-win.dfn.de 7.399ms 7: kr-dre106.x-win.dfn.de 12.860ms 8: 141.30.1.74 21.586ms 9: cat6k-bar.campus.urz.tu-dresden.de 12.892ms 10: c13010.dip.tu-dresden.de 14.231ms reached -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1373598 Title: apt-get update fails, hash sum mismatches (trusty) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1373598/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs