日志

EIGRP基本配置配置案例

已有 326 次阅读2013-2-19 00:34

1 案例配置拓扑

2 案例配置需求

l 如上图所示，IP地址规划方面，R1/R2/R3路由器互联的接口为192.168.AB.X/24，（其中AB为

路由器编号叠加，X为路由器编号，如R1连接R2的接口F0/0的地址为192.168.12.1/24）

l R1、R2、R3三台路由器运行EIGRP 协议，AS号为1 。

l 实现设备间能相互通信。

l 查看路由的邻居表、拓扑表、路由表、协议

3 案例配置思路

一：先配置设备的接口地址

(config)#interface fastEthernet x/x

(config-if)#ip address x.x.x.x x.x.x.x

二：配置R1、R2、R3运行EIGRP协议，并配置环回接口地址，实现设备互通。

(config)#router eigrp 1 //开启EIGRP进程//

(config-router)#no auto-summary //关闭自动汇总 //

(config-router)#network x.x.x.x //宣告网段//

4 案例检验结果

1）查看路由器R1运行的路由协议：

R1#show ip protocols

Routing Protocol is "eigrp 1"

Outgoing ** filter list for all interfaces is not set

Incoming ** filter list for all interfaces is not set

Default networks flagged in outgoing **s

Default networks accepted from incoming **s

EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0

EIGRP maximum hopcount 100

EIGRP maximum metric variance 1

Redistributing: eigrp 1

EIGRP NSF-aware route hold timer is 240s

Automatic network summarization is not in effect

Maximum path: 4

Routing for Networks:

192.168.12.0

Routing Information Sources:

Gateway Distance Last **

192.168.12.2 90 00:02:38

Distance: internal 90 external 170

/查看路由器所使用的路由协议为EIGRP，AS号为1，且管理距离（AD)为90/

2）查看路由器R2的邻居表：

R2#show ip eigrp neighbors

IP-EIGRP neighbors for process 1

H Address Interface Hold Uptime SRTT RTO Q Seq

(sec) (ms) Cnt Num

1 192.168.23.3 Fa1/0 13 00:03:41 50 300 0 3

0 192.168.12.1 Fa0/0 12 00:04:28 1027 5000 0 3

/上面显示的是R2的EIGRP邻居表，且0与1代表的是建立邻居的顺序/

3）查看R2的拓扑表：

R2#show ip eigrp topology

IP-EIGRP Topology Table for AS(1)/ID(192.168.23.2)

Codes: P - Passive, A - Active, U - **, Q - Query, R - Reply,

r - reply Status, s - sia Status

P 192.168.12.0/24, 1 successors, FD is 28160

via Connected, FastEthernet0/0

P 192.168.23.0/24, 1 successors, FD is 28160

via Connected, FastEthernet1/0

/上面显示的是R2的EIGRP拓扑表，且P表示为正常情况/

4）查看R2的路由表：

R3#show ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

D 192.168.12.0/24 [90/30720] via 192.168.23.2, 00:05:22, FastEthernet0/0

C 192.168.23.0/24 is directly connected, FastEthernet0/0

/上面显示的是R2的EIGRP路由表，且D表示为EIGRP学习到的路由条目/

5 案例数据抓包

1. 查看EIGRP的协议发送的组播地址

/图显示的是发送组播地址为224.0.0.10，且每5秒发送一次/

6 案例配置文件

R1：

enable
conf t
hostname R1
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
no shutdown
exit
!
router eigrp 1
network 192.168.12.0
no auto-summary
!
end

R2：

enable
conf t
hostname R2
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
no shutdown
exit
interface FastEthernet1/0
ip address 192.168.23.2 255.255.255.0
no shutdown
exit
!
router eigrp 1
network 192.168.12.0
network 192.168.23.0
no auto-summary
!
end

R3：

enable
conf t
hostname R3
interface FastEthernet0/0
ip address 192.168.23.3 255.255.255.0
no shutdown
exit
!
router eigrp 1
network 192.168.23.0
no auto-summary
!
end