在 Debian 介面檔案中新增兩個預設網關

在 Debian 介面檔案中新增兩個預設網關

這是我的介面檔:

auto eth0
iface eth0 inet static
   address 192.168.1.10
   netmask 255.255.255.0
   gateway 192.168.1.1

auto eth1
iface eth1 inet static
   address 192.168.2.10
   netmask 255.255.255.0
   gateway 192.168.2.1

如果我重新啟動網路守護程序,我會收到此錯誤:eth1 is not up。我想要兩個預設網關實現此處問題的接受答案中提到的內容。我的路由表應該是這樣的:

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         192.168.1.1     0.0.0.0         UG    0      0        0 eth0
default         192.168.2.1     0.0.0.0         UG    0      0        0 eth1
192.168.1.0     *               255.255.255.0   U     0      0        0 eth0
192.168.2.0     *               255.255.255.0   U     0      0        0 eth1

ifconfig我透過使用和命令得到了上表route add default gw。但我想用文件來做/etc/network/interfaces。我該怎麼做?

更新1:

iface eth0 inet static
    address 192.168.1.10
    netmask 255.255.255.0
    up ip route del 192.168.1.0/24
    post-up ip route add 192.168.1.0/24 dev eth0 metric 1
    up route add default gw 192.168.1.1 metric 1

答案1

這個 /etc/network/interfaces 在 2.6.32-40 Ubuntu 10.04 LTS 上適用於我:

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
    address 192.168.1.10
    netmask 255.255.255.0
    network 192.168.1.0
    broadcast 192.168.1.254
    post-up route add default gw 192.168.1.1 metric 1
    pre-down route del default gw 192.168.1.1

auto eth1
iface eth1 inet static
    address 192.168.2.10
    netmask 255.255.255.0
    network 192.168.2.0
    broadcast 192.168.2.254
    post-up route add default gw 192.168.2.1 metric 2
    pre-down route del default gw 192.168.2.1

我有兩個預設路由:

root@gamla:/etc/network# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.2.0     0.0.0.0         255.255.255.0   U     0      0        0 eth1
192.168.1.0     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         192.168.1.1     0.0.0.0         UG    1      0        0 eth0
0.0.0.0         192.168.2.1     0.0.0.0         UG    2      0        0 eth1

注意指標。我明白你的問題了嗎?

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