shell脚本实现添加route
时间: 2023-07-06 11:43:31 浏览: 44
可以使用 `route add` 命令来添加路由。具体的实现方法如下:
```shell
#!/bin/bash
# 设置需要添加的路由的目标网段和网关
net="192.168.1.0/24"
gw="192.168.0.1"
# 添加路由
route add -net $net gw $gw
```
在脚本中,我们通过设置 `$net` 和 `$gw` 变量来指定需要添加的路由的目标网段和网关。然后,我们使用 `route add` 命令来添加路由。将以上内容保存为一个 `.sh` 文件,然后执行即可完成路由添加。当然,你需要有管理员权限才能执行此操作。
相关问题
shell脚本实现网络切换
可以使用以下命令来实现网络切换:
```
#!/bin/bash
# Set network interface name and IP address for Net1 and Net2
NET1_IFACE="eth0"
NET1_IP="192.168.1.10"
NET2_IFACE="eth1"
NET2_IP="10.0.0.10"
# Check current default gateway
DEFAULT_GATEWAY=$(ip route show default | awk '/default/ {print $3}')
# If default gateway is set to Net1, switch to Net2
if [ "$DEFAULT_GATEWAY" == "$NET1_IP" ]
then
echo "Switching to Net2"
ip route del default
ip route add default via $NET2_IP dev $NET2_IFACE
# If default gateway is set to Net2, switch to Net1
elif [ "$DEFAULT_GATEWAY" == "$NET2_IP" ]
then
echo "Switching to Net1"
ip route del default
ip route add default via $NET1_IP dev $NET1_IFACE
# If default gateway is not set or is set to an unknown IP address, assume Net1 is the default and switch to Net2
else
echo "Switching to Net2"
ip route add default via $NET2_IP dev $NET2_IFACE
fi
```
在脚本中,首先设置了两个网络接口的名称和IP地址。然后,使用 `ip route show default` 命令来获取当前默认网关的IP地址。如果默认网关是Net1,则将其切换到Net2;如果默认网关是Net2,则将其切换到Net1;如果默认网关未设置或设置为未知的IP地址,则假定Net1是默认网关并将其切换到Net2。
shell脚本实现读取配置文件添加指定网卡到指定端口并添加注释
好的,下面是一个示例的 shell 脚本实现读取配置文件添加指定网卡到指定端口并添加注释:
```bash
#!/bin/bash
# 读取配置文件
source ./config
# 添加网卡到指定端口并添加注释
sudo nmcli con add con-name "${CON_NAME}" ifname "${IF_NAME}" type ethernet
sudo nmcli con modify "${CON_NAME}" connection.autoconnect yes
sudo nmcli con modify "${CON_NAME}" ipv4.method manual ipv4.addresses "${IP_ADDR}/${SUB_MASK}" ipv4.gateway "${GATEWAY}"
sudo nmcli con modify "${CON_NAME}" +ipv4.dns "${DNS1}" "${DNS2}"
sudo nmcli con modify "${CON_NAME}" +ipv4.routes "${ROUTE}"
sudo nmcli con modify "${CON_NAME}" +ipv4.ignore-auto-dns yes
sudo nmcli con modify "${CON_NAME}" +ipv4.ignore-auto-routes yes
sudo nmcli con modify "${CON_NAME}" +ipv4.dns-search "${DNS_SEARCH}"
sudo nmcli con modify "${CON_NAME}" +ipv6.method ignore
sudo nmcli con modify "${CON_NAME}" +ipv6.privacy off
sudo nmcli con modify "${CON_NAME}" +ipv6.dns-search "${DNS_SEARCH}"
sudo nmcli con modify "${CON_NAME}" +ipv6.ignore-auto-dns yes
sudo nmcli con modify "${CON_NAME}" +ipv6.ignore-auto-routes yes
sudo nmcli con modify "${CON_NAME}" +ipv6.dns "${DNS1}" "${DNS2}"
sudo nmcli con modify "${CON_NAME}" +ipv6.routes "${ROUTE}"
sudo nmcli con modify "${CON_NAME}" +ipv6.route-metric "${ROUTE_METRIC}"
sudo nmcli con modify "${CON_NAME}" +ipv6.addr-gen-mode eui64
# 添加注释
sudo nmcli con modify "${CON_NAME}" connection.id "${CON_NAME} (${IF_NAME})"
```
其中,`config` 文件如下:
```bash
CON_NAME="my_connection"
IF_NAME="eth0"
IP_ADDR="192.168.1.100"
SUB_MASK="24"
GATEWAY="192.168.1.1"
DNS1="8.8.8.8"
DNS2="8.8.4.4"
DNS_SEARCH="example.com"
ROUTE="to 192.168.2.0/24 via 192.168.1.2"
ROUTE_METRIC="100"
```
你可以根据自己的需要修改 `config` 文件中的参数。