我刚刚安装了 ubuntu 12.04.1 替代安装（用于某些磁盘上的 raid 0）。我有一些网络问题。我在学校，我们使用电缆，它有 IPv6。
如果我run ifconfig eth0继承人我的输出：
eth0 Link encap:Ethernet HWaddr e0:cb:4e:87:ff:db
inet addr:128.39.194.217 Bcast:128.39.194.223 Mask:255.255.255.224
inet6 addr: 2001:700:1100:8008:e2cb:4eff:fe87:ffdb/64 Scope:Global
inet6 addr: fe80::e2cb:4eff:fe87:ffdb/64 Scope:Link
inet6 addr: 2001:700:1100:8008:48f7:c23:1d87:da6c/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1063378 errors:0 dropped:0 overruns:0 frame:0
TX packets:489811 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1577173461 (1.5 GB) TX bytes:37043669 (37.0 MB)
Interrupt:68 Base address:0x6000
我的 /etc/network/interfaces 看起来像这样：
# This file describes the network interfaces available on your system
# and …