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Peng Hailin 2016-09-18 15:46:02 +08:00
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d36-EIGRP.md
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@ -1426,3 +1426,28 @@ Gateway of last resort is 150.1.1.1 to network 0.0.0.0
C 150.1.1.0 is directly connected, Serial0/0
D*EX 0.0.0.0/0 [170/2195456] via 150.1.1.1, 00:01:16, Serial0/0
```
因为该路由是在路由器R1上被重分发到EIGRP中的，所以如同上面所反应出的，其就是一条外部EIGRP路由了。对于那些外部路由，EIGRP拓扑表中就包含了诸如该路由所起源的路由器、该路由是为何种协议接收的，以及该外部路由的度量值等信息。下面的输出对此进行了演示：
```
R2#show ip eigrp topology 0.0.0.0/0
IP-EIGRP (AS 150): Topology entry for 0.0.0.0/0
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2195456
Routing Descriptor Blocks:
150.1.1.1 (Serial0/0), from 150.1.1.1, Send flag is 0x0
Composite metric is (2195456/51200), Route is External
Vector metric:
Minimum bandwidth is 1544 Kbit
Total delay is 21000 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
External data:
Originating router is 1.1.1.1
AS number of route is 0
External protocol is Static, external metric is 0
Administrator tag is 0 (0x00000000)
Exterior flag is set
```