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Peng Hailin 2016-09-18 15:31:40 +08:00
parent 387304b8e3
commit 3287a712a4
2 changed files with 8 additions and 1 deletions

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@ -1325,7 +1325,7 @@ Routing entry for 172.16.100.0/24
在将最后的网关或网络动态通告给路由域中的其它路由器方面增强的IGRP支持多种不同方式。最终网关或默认路由是在目的网络未在路由表中特别列出时路由器用于引导流量的一种方式Enhanced IGRP supports numerous ways to advertise dynamically the gateway or network of last resort to other routers within the routing domain. A gateway of last resort, or default route, is a method for the router to direct traffic when the destination network is not specifically listed in the routing table。而在此种情形下路由器引导流量的方式有
- 使用`ip default-network`命令
- 使用`network`命令来对网络`0.0.0.0/0`进行通过
- 使用`network`命令来对网络`0.0.0.0/0`通告
- 对默认静态路由进行重分发, Redistributing the default static route
- 使用`ip summary-address eigrp [asn] [network] [mask]`
@ -1393,3 +1393,10 @@ D 200.10.10.0/24 [90/2172416] via 150.1.1.1, 00:01:11, Serial0/0
C 150.1.1.0 is directly connected, Serial0/0
D* 0.0.0.0/0 [90/2172416] via 150.1.1.1, 00:00:43, Serial0/0
```
尽管路由重分发route redistribution不是CCNA考试部分这里仍将对其进行一个概述。路由重分发正是通过EIGRP对一条默认路由进行通过的第三种方式。为将现有的静态默认路由重分发到EIGRP中就要使用路由器配置命令`redistribute static metric [bandwidth] [delay] [reliability] [load] [MTU]`。用于本小节中前面那些输出的同一网络拓扑将用于对这种方式的部署进行演示如下图36.13所示:
![EIGRP的默认路由](images/3613.png)
*图 36.13 -- EIGRP的默认路由*

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