網(wǎng)絡(luò)設(shè)備配置與管理----使用EIGRP實現(xiàn)兩個企業(yè)網(wǎng)絡(luò)互聯(lián)

理論學(xué)習(xí)

在興國等地區(qū)，都構(gòu)建了全面的區(qū)域性戰(zhàn)略布局，加強發(fā)展的系統(tǒng)性、市場前瞻性、產(chǎn)品創(chuàng)新能力，以專注、極致的服務(wù)理念，為客戶提供成都做網(wǎng)站、網(wǎng)站制作網(wǎng)站設(shè)計制作定制網(wǎng)站開發(fā),公司網(wǎng)站建設(shè),企業(yè)網(wǎng)站建設(shè),品牌網(wǎng)站制作,網(wǎng)絡(luò)營銷推廣,成都外貿(mào)網(wǎng)站建設(shè)公司,興國網(wǎng)站建設(shè)費用合理。

問題1：EIGRP的特點？

EIGRP是一種內(nèi)部網(wǎng)關(guān)協(xié)議，用在自制系統(tǒng)的內(nèi)部執(zhí)行路由功能，為無類路由協(xié)議，性質(zhì)為高級距離矢量路由協(xié)議

與運行EIGRP的路由器之間通過發(fā)送Hello包形成鄰居關(guān)系后交換路由信息。

運行EIGRP的路由器儲存所有與其相鄰路由器的路由表信息

EIGRP采用組播和單播的更新方式，只有在路由器改變計量標準或拓撲發(fā)生變化的情況下進行路由更新

支持可變長子網(wǎng)掩碼和不連續(xù)的子網(wǎng)，支持路由自動匯總，支持多種網(wǎng)絡(luò)層協(xié)議還支持IPX,AppleTake等

在運行EIGRP的路由器內(nèi)部，有一個鄰居路由表，一個拓撲結(jié)構(gòu)表和一個路由表。

使用DUAL算法，具有很好的路由收斂特性。

支持任意負載均衡。

問題2：EIGRP的運行過程？

建立相鄰關(guān)系

發(fā)現(xiàn)網(wǎng)絡(luò)拓撲，選擇最短路由

路由查詢、更新

問題3：EIGRP與RIP的區(qū)別？

EIGRP是思科專有的，而RIP是通用的協(xié)議

EIGRP是高級距離矢量協(xié)議 RIP是距離矢量協(xié)議

工作任務(wù)實施

1.網(wǎng)絡(luò)拓撲結(jié)構(gòu)設(shè)計

網(wǎng)絡(luò)設(shè)備配置與管理----使用EIGRP實現(xiàn)兩個企業(yè)網(wǎng)絡(luò)互聯(lián)

1. 設(shè)備配置命令（各個路由器分別配置）

R1(config)#in

R1(config)#interface f0/0

R1(config-if)#ip add 10.1.1.1 255.255.255.0

R1(config-if)#no shu

R1(config-if)#no shutdown

R1(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

R1(config-if)#exi

R1(config)#in

R1(config)#interface f0/1

R1(config-if)#ip add 172.16.1.1 255.255.255.252

R1(config-if)#no shu

R1(config-if)#no shutdown

R1(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

R1(config)#router eigrp 10

R1(config-router)#no auto-summary

R1(config-router)#network 172.16.1.0 0.0.0.3

R1(config-router)#network 10.1.1.0 0.0.0.255

CNC

CNC(config)#in

CNC(config)#interface f0/0

CNC(config-if)#ip add 172.16.1.2 255.255.255.252

CNC(config-if)#no shu

CNC(config-if)#no shutdown

CNC(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

CNC(config-if)#ex

CNC(config)#in

CNC(config)#interface f0/1

CNC(config-if)#ip add 172.16.1.5 255.255.255.252

CNC(config-if)#no shu

CNC(config-if)#no shutdown

CNC(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

CNC(config)#router eigrp 10

CNC(config-router)#no a

CNC(config-router)#no auto-summary

CNC(config-router)#ne

CNC(config-router)#network 172.16.1.0 0.0.0.3

CNC(config-router)#

%DUAL-5-NBRCHANGE: IP-EIGRP 10: Neighbor 172.16.1.1 (FastEthernet0/0) is up: new adjacency

CNC(config-router)#network 172.16.1.4 0.0.0.3

R2(config)#in

R2(config)#interface f0/0

R2(config-if)#ip add 172.16.1.6 255.255.255.252

R2(config-if)#no shu

R2(config-if)#no shutdown

R2(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

R2(config-if)#ex

R2(config)#in

R2(config)#interface f0/1

R2(config-if)#ip add 10.1.2.1 255.255.255.0

R2(config-if)#no shu

R2(config-if)#no shutdown

R2(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

R2(config)#rou

R2(config)#router e

R2(config)#router eigrp 10

R2(config-router)#no a

R2(config-router)#no auto-summary

R2(config-router)#ne

R2(config-router)#network 172.16.1.4 0.0.0.3

R2(config-router)#

%DUAL-5-NBRCHANGE: IP-EIGRP 10: Neighbor 172.16.1.5 (FastEthernet0/0) is up: new adjacency

R2(config-router)#ne

R2(config-router)#network 10.1.2.0 0.0.0.255

1. 單段測試結(jié)果

PC1

PC>ping 10.1.1.1

Pinging 10.1.1.1 with 32 bytes of data:

Reply from 10.1.1.1: bytes=32 time=0ms TTL=255

Reply from 10.1.1.1: bytes=32 time=1ms TTL=255

Ping statistics for 10.1.1.1:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 1ms, Average = 0ms

PC2

PC>PING 10.1.2.1

Pinging 10.1.2.1 with 32 bytes of data:

Reply from 10.1.2.1: bytes=32 time=0ms TTL=255

Reply from 10.1.2.1: bytes=32 time=1ms TTL=255

Ping statistics for 10.1.2.1:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 1ms, Average = 0ms

1. 綜合測試結(jié)果

PC1

PC>ping 10.1.2.2

Pinging 10.1.2.2 with 32 bytes of data:

Reply from 10.1.2.2: bytes=32 time=1ms TTL=125

Reply from 10.1.2.2: bytes=32 time=0ms TTL=125

Reply from 10.1.2.2: bytes=32 time=1ms TTL=125

Ping statistics for 10.1.2.2:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 1ms, Average = 0ms

PC2

PC>PING 10.1.1.2

Pinging 10.1.1.2 with 32 bytes of data:

Reply from 10.1.1.2: bytes=32 time=0ms TTL=125

Reply from 10.1.1.2: bytes=32 time=1ms TTL=125

Ping statistics for 10.1.1.2:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 1ms, Average = 0ms

2. 查看各個路由器的路由

R1#SHOW IP ROUTE

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/24 is subnetted, 2 subnets

C 10.1.1.0 is directly connected, FastEthernet0/0

D 10.1.2.0 [90/33280] via 172.16.1.2, 00:03:27, FastEthernet0/1

172.16.0.0/30 is subnetted, 2 subnets

C 172.16.1.0 is directly connected, FastEthernet0/1

D 172.16.1.4 [90/30720] via 172.16.1.2, 00:04:48, FastEthernet0/1

CNC

CNC#SHOW IP ROUTE

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/24 is subnetted, 2 subnets

D 10.1.1.0 [90/30720] via 172.16.1.1, 00:06:52, FastEthernet0/0

D 10.1.2.0 [90/30720] via 172.16.1.6, 00:03:55, FastEthernet0/1

172.16.0.0/30 is subnetted, 2 subnets

C 172.16.1.0 is directly connected, FastEthernet0/0

C 172.16.1.4 is directly connected, FastEthernet0/1

R2#SHOW IP ROUTE

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/24 is subnetted, 2 subnets

D 10.1.1.0 [90/33280] via 172.16.1.5, 00:05:47, FastEthernet0/0

C 10.1.2.0 is directly connected, FastEthernet0/1

172.16.0.0/30 is subnetted, 2 subnets

D 172.16.1.0 [90/30720] via 172.16.1.5, 00:05:47, FastEthernet0/0

C 172.16.1.4 is directly connected, FastEthernet0/0

3. 查看EIGRP的相關(guān)信息。

R1#show ip protocol

Routing Protocol is "eigrp 10 "

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 10

Automatic network summarization is not in effect

Maximum path: 4

Routing for Networks:

172.16.1.0/30

10.1.1.0/24

Routing Information Sources:

Gateway Distance Last Update

172.16.1.2 90 346181

Distance: internal 90 external 170

CNC

CNC#show ip protocols

Routing Protocol is "eigrp 10 "

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 10

Automatic network summarization is not in effect

Maximum path: 4

Routing for Networks:

172.16.1.0/30

172.16.1.4/30

Routing Information Sources:

Gateway Distance Last Update

172.16.1.1 90 339203

172.16.1.6 90 475312

Distance: internal 90 external 170

R2#show ip protocols

Routing Protocol is "eigrp 10 "

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 10

Automatic network summarization is not in effect

Maximum path: 4

Routing for Networks:

172.16.1.4/30

10.1.2.0/24

Routing Information Sources:

Gateway Distance Last Update

172.16.1.5 90 474044

Distance: internal 90 external 170

工作擴展

基于教材176頁擴展任務(wù)要求學(xué)習(xí)使用路由接口代替真實接口的配置

（1）拓撲結(jié)構(gòu)圖

網(wǎng)絡(luò)設(shè)備配置與管理----使用EIGRP實現(xiàn)兩個企業(yè)網(wǎng)絡(luò)互聯(lián)

（1）各個路由器的主要配置命令

interface FastEthernet0/0

ip address 10.1.1.1 255.255.255.0

duplex auto

speed auto

interface FastEthernet0/1

ip address 172.16.1.1 255.255.255.252

duplex auto

speed auto

router eigrp 10

network 172.16.1.0 0.0.0.3

network 10.1.1.0 0.0.0.255

no auto-summary

ip classless

CNC

interface FastEthernet0/0

ip address 172.16.1.2 255.255.255.252

duplex auto

speed auto

interface FastEthernet0/1

ip address 172.16.1.5 255.255.255.252

duplex auto

speed auto

router eigrp 10

network 172.16.1.0 0.0.0.3

network 172.16.1.4 0.0.0.3

no auto-summary

ip classless

interface Loopback1

ip address 10.1.2.1 255.255.255.240

interface Loopback2

ip address 10.1.2.17 255.255.255.240

interface Loopback3

ip address 10.1.2.33 255.255.255.240

interface Loopback4

ip address 10.1.2.49 255.255.255.240

interface FastEthernet0/0

ip address 172.16.1.6 255.255.255.252

duplex auto

speed auto

interface FastEthernet0/1

no ip address

duplex auto

speed auto

shutdown

router eigrp 10

network 172.16.1.4 0.0.0.3

network 10.1.2.0 0.0.0.15

network 10.1.2.16 0.0.0.15

network 10.1.2.32 0.0.0.15

network 10.1.2.48 0.0.0.15

no auto-summary

ip classless

（2）分析各個路由器的路由

Router#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks

C 10.1.1.0/24 is directly connected, FastEthernet0/0

D 10.1.2.0/28 [90/158720] via 172.16.1.2, 00:18:02, FastEthernet0/1

D 10.1.2.16/28 [90/158720] via 172.16.1.2, 00:18:02, FastEthernet0/1

D 10.1.2.32/28 [90/158720] via 172.16.1.2, 00:18:02, FastEthernet0/1

D 10.1.2.48/28 [90/158720] via 172.16.1.2, 00:18:02, FastEthernet0/1

172.16.0.0/30 is subnetted, 2 subnets

C 172.16.1.0 is directly connected, FastEthernet0/1

D 172.16.1.4 [90/30720] via 172.16.1.2, 00:18:03, FastEthernet0/1

CNC

Router#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks

D 10.1.1.0/24 [90/30720] via 172.16.1.1, 00:18:43, FastEthernet0/0

D 10.1.2.0/28 [90/156160] via 172.16.1.6, 00:18:31, FastEthernet0/1

D 10.1.2.16/28 [90/156160] via 172.16.1.6, 00:18:31, FastEthernet0/1

D 10.1.2.32/28 [90/156160] via 172.16.1.6, 00:18:31, FastEthernet0/1

D 10.1.2.48/28 [90/156160] via 172.16.1.6, 00:18:31, FastEthernet0/1

172.16.0.0/30 is subnetted, 2 subnets

C 172.16.1.0 is directly connected, FastEthernet0/0

C 172.16.1.4 is directly connected, FastEthernet0/1

R2#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks

D 10.1.1.0/24 [90/33280] via 172.16.1.5, 00:18:56, FastEthernet0/0

C 10.1.2.0/28 is directly connected, Loopback1

C 10.1.2.16/28 is directly connected, Loopback2

C 10.1.2.32/28 is directly connected, Loopback3

C 10.1.2.48/28 is directly connected, Loopback4

172.16.0.0/30 is subnetted, 2 subnets

D 172.16.1.0 [90/30720] via 172.16.1.5, 00:18:56, FastEthernet0/0

C 172.16.1.4 is directly connected, FastEthernet0/0

思考問題：

問題1：自動匯總和手動匯總的區(qū)別？

自動方式：當路由中存在多個交叉的小分類網(wǎng)絡(luò)邊界時自動把這些路由匯總成一個大的分類網(wǎng)絡(luò)邊界（這是通過匯總子網(wǎng)地址前綴來實現(xiàn)的）。自動匯總功能是默認啟用的。

手動方式：在指定接口上通告一個匯總本地IP地址池，這個匯總IP地址池可以供撥號客戶端。

分享名稱：網(wǎng)絡(luò)設(shè)備配置與管理----使用EIGRP實現(xiàn)兩個企業(yè)網(wǎng)絡(luò)互聯(lián)
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