linux双网卡路由表配置

auto eth0
iface eth0 inet static
    address 192.168.1.100
    netmask 255.255.255.0
    gateway 192.168.1.1

auto eth1
iface eth1 inet static
    address 10.0.0.100
    netmask 255.255.255.0

DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.1.100
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
ONBOOT=yes

DEVICE=eth1
BOOTPROTO=static
IPADDR=10.0.0.100
NETMASK=255.255.255.0
ONBOOT=yes

# 添加默认路由通过 eth0
ip route add default via 192.168.1.1 dev eth0

# 添加特定网络的路由通过 eth1
ip route add 10.0.0.0/24 via 10.0.0.1 dev eth1

# 查看当前路由表
ip route show

# 删除错误的路由规则
ip route del <错误的路由规则>

# 添加正确的路由规则
ip route add <正确的路由规则>

#!/bin/bash

# 配置 eth0
echo "auto eth0" >> /etc/network/interfaces
echo "iface eth0 inet static" >> /etc/network/interfaces
echo "    address 192.168.1.100" >> /etc/network/interfaces
echo "    netmask 255.255.255.0" >> /etc/network/interfaces
echo "    gateway 192.168.1.1" >> /etc/network/interfaces

# 配置 eth1
echo "auto eth1" >> /etc/network/interfaces
echo "iface eth1 inet static" >> /etc/network/interfaces
echo "    address 10.0.0.100" >> /etc/network/interfaces
echo "    netmask 255.255.255.0" >> /etc/network/interfaces

# 应用配置
ifdown eth0 && ifup eth0
ifdown eth1 && ifup eth1

# 添加路由规则
ip route add default via 192.168.1.1 dev eth0
ip route add 10.0.0.0/24 via 10.0.0.1 dev eth1