Unix路由表中的“内核”是什么意思？

发布时间：2020-12-15 19:11:16 所属栏目：安全来源：网络整理

导读：我一直在linux-ip.net和整个互联网搜索，但没有出现。路由表中的“原始内核”部分是什么意思？只是一个例子： [root@tristan]# ip route show table locallocal 192.168.99.35 dev eth0 proto kernel scope host src 192.168.99.35broadcast 127.255.255.2

我一直在linux-ip.net和整个互联网搜索，但没有出现。
路由表中的“原始内核”部分是什么意思？

只是一个例子：

[root@tristan]# ip route show table local
local 192.168.99.35 dev eth0 proto kernel scope host src 192.168.99.35
broadcast 127.255.255.255 dev lo proto kernel scope link src 127.0.0.1

摘自人ip(8)：

protocol RTPROTO
          the routing protocol identifier of this route.
          RTPROTO may be a number or a string from the
          file /etc/iproute2/rt_protos. If the routing
          protocol ID is not  given,ip  assumes  protocol
          boot (i.e. it assumes the route was added by 
          someone who doesn't understand what they are doing).
          Several protocol values have a fixed interpretation.
          Namely:

             redirect - the route was installed due to an ICMP redirect.

             kernel - the route was installed by the kernel during
                   autoconfiguration.

             boot - the route was installed during the bootup sequence.
                 If a routing daemon starts,it will purge all of them.

             static - the route was installed by the administrator to
                   override dynamic routing. Routing daemon will
                   respect them and,probably,even advertise them
                   to its peers.

             ra - the route was installed by Router Discovery protocol.

          The rest of the values are not reserved and the administrator is free
          to assign (or not to assign) protocol tags.

（编辑：李大同）

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