我正在尝试从networking名称空间允许互联网连接。 我试图在docker0网桥的基础上，在全局命名空间中运行。 如果我尝试在新的命名空间内ping，我得到了Destination Host Unreachable所以没有正确configuration。 我对命名空间很陌生，所以任何帮助表示赞赏。
全局命名空间详细信息
# ifconfig -a docker0 Link encap:Ethernet HWaddr 02:42:99:e7:76:59 inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0 inet6 addr: fe80::42:99ff:fee7:7659/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:215 errors:0 dropped:0 overruns:0 frame:0 TX packets:3 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:6476 (6.4 KB) TX bytes:258 (258.0 B) eth0 Link encap:Ethernet HWaddr 06:b1:78:7b:d4:73 inet addr:10.178.155.11 Bcast:10.178.155.63 Mask:255.255.255.192 inet6 addr: fe80::4b1:78ff:fe7b:d473/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:9001 Metric:1 RX packets:53259 errors:0 dropped:0 overruns:0 frame:0 TX packets:8750 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:68143404 (68.1 MB) TX bytes:2471391 (2.4 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:164 errors:0 dropped:0 overruns:0 frame:0 TX packets:164 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:12104 (12.1 KB) TX bytes:12104 (12.1 KB) veth0 Link encap:Ethernet HWaddr 1e:cb:a7:de:42:20 inet addr:172.17.42.3 Bcast:0.0.0.0 Mask:255.255.0.0 inet6 addr: fe80::1ccb:a7ff:fede:4220/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:212 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:9216 (9.2 KB) TX bytes:648 (648.0 B) # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.178.155.1 0.0.0.0 UG 0 0 0 eth0 10.178.155.0 0.0.0.0 255.255.255.192 U 0 0 0 eth0 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 veth0
自定义命名空间详细
# ifconfig -a eth0 Link encap:Ethernet HWaddr ea:df:85:61:3d:76 inet addr:172.17.1.1 Bcast:0.0.0.0 Mask:255.255.255.255 inet6 addr: fe80::e8df:85ff:fe61:3d76/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:8 errors:0 dropped:0 overruns:0 frame:0 TX packets:212 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:648 (648.0 B) TX bytes:9216 (9.2 KB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:247 errors:0 dropped:0 overruns:0 frame:0 TX packets:247 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:25620 (25.6 KB) TX bytes:25620 (25.6 KB) # ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 12: eth0@if13: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether ea:df:85:61:3d:76 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 172.17.1.1/32 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::e8df:85ff:fe61:3d76/64 scope link valid_lft forever preferred_lft forever # brctl show bridge name bridge id STP enabled interfaces docker0 8000.024299e77659 no veth0