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Peng Hailin 2016-09-21 11:40:23 +08:00
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d36-EIGRP.md
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@ -2374,3 +2374,64 @@ Routing Protocol is “eigrp 150”
Gateway Distance Last Update
Distance: internal 90 external 170
```
路由器配置命令`passive-interface [name|default]`中的`[default]`关键字令到所有接口，都成为被动模式。先假设路由器上配置了50个的环回接口。如打算将每个环回接口都配置为被动模式，那么就需要50行的代码。而这时就可以使用`passive-interface default`命令，来令到所有接口都成为被动接口了。对于那些确实想要发出EIGRP数据包的接口，就可使用`no passive-interface [name]`命令进行配置。下面对`passive-interface default`命令的用法进行了演示：
```
R1(config)#interface Loopback0
R1(config-if)#ip address 10.0.0.1 255.255.255.0
R1(config-if)#exit
R1(config)#interface Loopback1
R1(config-if)#ip address 10.1.1.1 255.255.255.0
R1(config-if)#exit
R1(config)#interface Loopback3
R1(config-if)#ip address 10.3.3.1 255.255.255.0
R1(config-if)#exit
R1(config)#interface Loopback2
R1(config-if)#ip address 10.2.2.1 255.255.255.0
R1(config-if)#exit
R1(config)#interface Serial0/0
R1(config-if)#ip address 150.1.1.1 255.255.255.0
R1(config-if)#exit
R1(config-router)#network 10.0.0.1 255.255.255.0
R1(config-router)#network 10.1.1.1 255.255.255.0
R1(config-router)#network 10.3.3.1 255.255.255.0
R1(config-router)#network 10.2.2.1 255.255.255.0
R1(config-router)#network 150.1.1.1 255.255.255.0
R1(config-router)#passive-interface default
R1(config-router)#no passive-interface Serial0/0
R1(config-router)#exit
```
这里可以又使用`show ip protocols`命令，来查看哪些接口是处于EIGRP下的被动模式的，如下所示：
```
R1#show ip protocols
Routing Protocol is “eigrp 150”
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
EIGRP maximum hopcount 100
EIGRP maximum metric variance 1
Redistributing: eigrp 150
EIGRP NSF-aware route hold timer is 240s
Automatic network summarization is not in effect
Maximum path: 4
Routing for Networks:
10.0.0.0/24
10.1.1.0/24
10.2.2.0/24
10.3.3.0/24
150.1.1.0/24
Passive Interface(s):
Loopback1
Loopback2
Loopback3
Loopback4
Routing Information Sources:
Gateway Distance Last Update
(this router) 90 00:02:52
Distance: internal 90 external 170
```