我正在尝试配置我的宿舍网络。我在 ubuntu 上工作。宿舍楼好像有个主机作为网关192.168.22.254。
我的route -n看起来像这样：
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.22.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0
0.0.0.0 192.168.22.254 0.0.0.0 UG 100 0 0 eth0
我无法ping通192.168.22.254。
$ ping 192.168.22.254
PING 192.168.22.254 (192.168.22.254) 56(84) bytes of data.
From 192.168.22.254 icmp_seq=3 Packet filtered
From 192.168.22.254 icmp_seq=5 Packet filtered
From 192.168.22.254 icmp_seq=7 Packet filtered
^C
--- 192.168.22.254 ping statistics ---
7 …