81 lines
1.9 KiB
Markdown
81 lines
1.9 KiB
Markdown
# IPRoute2 说明
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## Link 信息和设置
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```bash
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# 显示链路
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ip link show
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# 仅显示 up 的链路
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ip link show up
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# 添加链路
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ip link add name <link name> type <bridge|bond|dummy|veth|vlan|vxlan>
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# 启动/停止链路
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ip link set <bridge name> <up/down>
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# 绑定
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ip link set <netif> master <bridge name>
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# 解绑
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ip link set <netif> nomaster
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# 删除链路
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ip link del name <bridge name> [type bridge]
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```
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## IP 地址信息和设置
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```bash
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# 显示地址(或ifconfig)
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ip addr show
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# 仅显示 up 设备的地址
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ip addr show up
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# 设定 IP 地址
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ip addr add <ip addr> dev <netif>
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# 删除 IP 地址
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ip addr del <ip addr> dev <netif>
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```
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## 路由信息和设置
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```bash
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# 显示路由(route -n)
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ip route show
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# 查看直连路由
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ip route show table main
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# 查看本地静态路由
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ip route show table local
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# 添加路由
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ip route add default via <gateway>
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ip route add default dev <netif>
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ip route add <ip addr>[/<netmask>] via <gateway>
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ip route add <ip addr>[/<netmask>] dev <netif>
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# 修改路由
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ip route change default via <gateway>
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ip route change default dev <netif>
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ip route change <ip addr>[/<netmask>] via <gateway>
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ip route change <ip addr>[/<netmask>] dev <netif>
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# 替换默认路由(存在则修改，不存在则新建)
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ip route replace default via <gateway>
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ip route replace default dev <netif>
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ip route replace <ip addr>[/<netmask>] via <gateway>
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ip route replace <ip addr>[/<netmask>] dev <netif>
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# 删除路由
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ip route del default via <gateway>
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ip route del default dev <netif>
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ip route del <ip addr>[/<netmask>] via <gateway>
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ip route del <ip addr>[/<netmask>] dev <netif>
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```
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## ARP
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```bash
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# 显示 arp 表(ping 192.168.95.50，如果主机在同一局域网内，直接加到 arp 表)
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ip neigh show
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# 删除 arp 条目，条目仍然存在状态为 stale，下次通信需要确认
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ip neigh delete 192.168.95.50 dev <netif>
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```
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## 其他
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```bash
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# 显示缺省规则
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ip rule show
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```
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