if someone use router, try turnoff IGMP option, restart router, turnon IGMP option (needed), maybe is router bug, but is known problem "MTU black hole" when in network path someone turn off IGMP and packets are lost, this is why some sites open, some not
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1275161 Title: Realtek driver r8169 slow network speed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs