我正在使用 bond0 网络设置接口别名。为什么我无法 ping/到达第二个 IP 地址（在本例中为 192.168.30.84）？不过我可以从另一台服务器 ping 地址。
~# ifconfig bond0
bond0 Link encap:Ethernet HWaddr 90:b1:1c:1e:eb:68
inet addr:192.168.30.82 Bcast:192.168.255.255 Mask:255.255.0.0
inet6 addr: fe80::92b1:1cff:fe1e:eb68/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:6924946 errors:0 dropped:2670931 overruns:0 frame:0
TX packets:82824 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:921251441 (878.5 MiB) TX bytes:6424239 (6.1 MiB)
bond0:0 Link encap:Ethernet HWaddr 90:b1:1c:1e:eb:68
inet addr:192.168.30.84 Bcast:192.168.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
~# ip a
1: lo: <LOOPBACK> mtu 16436 qdisc noop state DOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000
link/ether 90:b1:1c:1e:eb:68 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000
link/ether 90:b1:1c:1e:eb:68 brd ff:ff:ff:ff:ff:ff
4: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 90:b1:1c:1e:eb:68 brd ff:ff:ff:ff:ff:ff
inet 192.168.30.82/16 brd 192.168.255.255 scope global bond0
inet 192.168.30.84/16 brd 192.168.255.255 scope global secondary bond0:0
inet6 fe80::92b1:1cff:fe1e:eb68/64 scope link
valid_lft forever preferred_lft forever
/etc/网络/接口
auto bond0
iface bond0 inet static
address 192.168.30.82
netmask 255.255.0.0
gateway 192.168.0.1
slaves eth0 eth1
bond_mode active-backup
bond_miimon 100
bond_downdelay 200
bond_updelay 200
auto bond0:0
iface bond0:0 inet static
address 192.168.30.84
netmask 255.255.0.0