# 9.2 配置默认路由

默认路由又称为缺省静态路由，是静态路由的特例，它表示把所有本机不能处理的数据报发往指定的设备。

## 模式：

全局配置模式。

## 1、配置默认路由：

```java
Ruijie(config)#ip route 0.0.0.0 0.0.0.0 ip-address
```

## 参数：

`0.0.0.0 0.0.0.0` 表示任意地址。

`ip-address` 是下一跳地址。

## 说明：

默认路由的优先级是最低的，设备首先会匹配静态路由和由路由协议生成的路由，只有当没有相匹配的项目时，才按照默认路由指定的地址发送。

## 2、删除默认路由：

```java
Ruijie(config)#no ip route 0.0.0.0 0.0.0.0
```

## 配置举例：

```java
Ruijie>enable
Ruijie#configure terminal
Ruijie(config)#ip route 0.0.0.0 0.0.0.0 192.168.10.2
```

`ip route 0.0.0.0 0.0.0.0 192.168.10.2` 命令表示把所有没有匹配成功的目的地址发往地址 `192.168.10.2` 处。


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