EIGRP负载均衡.docx
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- 上传时间:2023-06-28
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EIGRP负载均衡.docx
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EIGRP负载均衡
拓扑图的构建:
#Simplelab
autostart=false
[localhost]
[[7200]]
image=C:
\ProgramFiles\Dynamips\images\unzip-c7200-js-mz.123-20.bin
ram=96
nvram=96
disk0=64
disk1=64
npe=npe-400
cnfg=None
confreg=0x2102
mmap=false
#idlepc=0x60490168(3640)
#idlepc=0x6068802c
exec_area=16
[[ROUTERR1]]
model=7200
s1/0=R2s1/0
s1/1=R3s1/1
[[ROUTERR2]]
model=7200
[[ROUTERR3]]
model=7200
[[ROUTERR4]]
model=7200
s1/0=R3S1/0
f0/0=R2f0/0
配置过程如下:
先配置IP地址,和一些基本的配置,
Router>
Router>en
Router#conft
Router(config)#hostR1
R1(config)#noipdomain-lo
R1(config)#linecon0
R1(config-line)#loggsyn
R1(config-line)#exec-time00
R1(config-line)#exit
R1(config)#
R1(config)#intlo0
R1(config-if)#ipadd1.1.1.1255.255.255.0
R1(config-if)#exit
R1(config)#
R1(config)#ints1/0
R1(config-if)#ipadd192.168.12.1255.255.255.0
R1(config-if)#clockrate64000
R1(config-if)#noshut
R1(config-if)#exit
R1(config)#
R1(config)#ints1/1
R1(config-if)#ipadd192.168.13.1255.255.255.0
R1(config-if)#clockrate64000
R1(config-if)#noshut
R1(config-if)#exit
R1(config)#
Router>
Router>en
Router#conft
Router(config)#hostR2
R2(config)#noipdomain-lo
R2(config)#linecon0
R2(config-line)#loggsyn
R2(config-line)#exec-time00
R2(config-line)#exit
R2(config)#
R2(config)#ints1/0
R2(config-if)#ipadd192.168.12.2255.255.255.0
R2(config-if)#clockrate64000
R2(config-if)#noshut
R2(config-if)#exit
R2(config)#
R2(config)#intf0/0
R2(config-if)#ipadd192.168.24.1255.255.255.0
R2(config-if)#noshut
R2(config-if)#exit
R2(config)#
R2(config)#
Router>en
Router#conft
Router(config)#hostR3
R3(config)#noipdomain-lo
R3(config)#linecon0
R3(config-line)#loggsyn
R3(config-line)#exec-time00
R3(config-line)#exit
R3(config)#
R3(config)#ints1/1
R3(config-if)#ipadd192.168.13.2255.255.255.0
R3(config-if)#clockrate64000
R3(config-if)#noshut
R3(config-if)#exit
R3(config)#
R3(config)#ints1/0
R3(config-if)#ipadd192.168.34.1255.255.255.0
R3(config-if)#clockrate64000
R3(config-if)#noshut
R3(config-if)#exit
R3(config)#
Router>
Router>en
Router#conft
Router(config)#hostR4
R4(config)#noipdomain-lo
R4(config)#linecon0
R4(config-line)#loggsyn
R4(config-line)#exec-time00
R4(config-line)#exit
R4(config)#
R4(config)#intlo0
R4(config-if)#ipadd4.4.4.4255.255.255.0
R4(config-if)#exit
R4(config)#
R4(config)#ints1/0
R4(config-if)#ipadd192.168.34.2255.255.255.0
R4(config-if)#clockrate64000
R4(config-if)#noshut
R4(config-if)#exit
R4(config)#
R4(config)#intf0/0
R4(config-if)#ipadd192.168.24.2255.255.255.0
R4(config-if)#noshut
R4(config-if)#exit
R4(config)#
然后,启用EIGRP确保网络畅通:
R1(config)#routereigrp100
R1(config-router)#noauto-summary
R1(config-router)#netw1.0.0.0
R1(config-router)#netw192.168.12.0
R1(config-router)#netw192.168.13.0
R1(config-router)#exit
R2(config)#routereigrp100
R2(config-router)#noauto-summary
R2(config-router)#netw192.168.12.0
R2(config-router)#netw192.168.24.0
R2(config-router)#exit
R3(config)#routereigrp100
R3(config-router)#noauto-summary
R3(config-router)#netw192.168.13.0
R3(config-router)#netw192.168.34.0
R3(config-router)#exit
R4(config)#routereigrp100
R4(config-router)#noauto-summary
R4(config-router)#netw4.0.0.0
R4(config-router)#netw192.168.24.0
R4(config-router)#netw192.168.34.0
R4(config-router)#exit
查看R1的路由表和拓扑表
R1#showiproute(一条最佳路径)
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
C192.168.12.0/24isdirectlyconnected,Serial1/0
1.0.0.0/24issubnetted,1subnets
C1.1.1.0isdirectlyconnected,Loopback0
C192.168.13.0/24isdirectlyconnected,Serial1/1
4.0.0.0/24issubnetted,1subnets
D4.4.4.0[90/2300416]via192.168.12.2,00:
00:
22,Serial1/0
D192.168.24.0/24[90/2172416]via192.168.12.2,00:
00:
22,Serial1/0
D192.168.34.0/24[90/2681856]via192.168.13.2,00:
00:
22,Serial1/1
R1#
R1#showipeigrptopology(两条路径)
IP-EIGRPTopologyTableforAS(100)/ID(1.1.1.1)
Codes:
P-Passive,A-Active,U-Update,Q-Query,R-Reply,
r-replyStatus,s-siaStatus
P1.1.1.0/24,1successors,FDis128256
viaConnected,Loopback0
P4.4.4.0/24,1successors,FDis2300416
via192.168.12.2(2300416/156160),Serial1/0
via192.168.13.2(2809856/2297856),Serial1/1
P192.168.34.0/24,1successors,FDis2681856
via192.168.13.2(2681856/2169856),Serial1/1
via192.168.12.2(2684416/2172416),Serial1/0
P192.168.12.0/24,1successors,FDis2169856
viaConnected,Serial1/0
P192.168.13.0/24,1successors,FDis2169856
viaConnected,Serial1/1
P192.168.24.0/24,1successors,FDis2172416
via192.168.12.2(2172416/28160),Serial1/0
接下来开始做负载均衡,先来做等价负载均衡
先查看R3的S1/0接口,重点关注延迟,因为默认为带宽+延迟,而两条路径最小带宽相同
R3#showinterfacess1/0
Serial1/0isup,lineprotocolisup
HardwareisM8T-X.21
Internetaddressis192.168.34.1/24
MTU1500bytes,BW1544Kbit,DLY20000usec,
reliability255/255,txload1/255,rxload1/255
EncapsulationHDLC,crc16,loopbacknotset
Keepaliveset(10sec)
Restart-Delayis0secs
Lastinput00:
00:
01,output00:
00:
00,outputhangnever
Lastclearingof"showinterface"counters00:
10:
08
Inputqueue:
0/75/0/0(size/max/drops/flushes);Totaloutputdrops:
0
Queueingstrategy:
weightedfair
Outputqueue:
0/1000/64/0(size/maxtotal/threshold/drops)
Conversations0/1/256(active/maxactive/maxtotal)
ReservedConversations0/0(allocated/maxallocated)
AvailableBandwidth1158kilobits/sec
5minuteinputrate0bits/sec,0packets/sec
5minuteoutputrate0bits/sec,0packets/sec
79packetsinput,6063bytes,0nobuffer
Received41broadcasts,0runts,0giants,0throttles
0inputerrors,0CRC,0frame,0overrun,0ignored,0abort
93packetsoutput,7357bytes,0underruns
0outputerrors,0collisions,6interfaceresets
0outputbufferfailures,0outputbuffersswappedout
5carriertransitionsDCD=upDSR=upDTR=upRTS=upCTS=up
R3#
再查看R2的F0/0的接口信息,关注延迟
R2#showintf0/0
FastEthernet0/0isup,lineprotocolisup
HardwareisDEC21140,addressisca01.0eb8.0000(biaca01.0eb8.0000)
Internetaddressis192.168.24.1/24
MTU1500bytes,BW100000Kbit,DLY100usec,
reliability255/255,txload1/255,rxload1/255
EncapsulationARPA,loopbacknotset
Keepaliveset(10sec)
Half-duplex,100Mb/s,100BaseTX/FX
ARPtype:
ARPA,ARPTimeout04:
00:
00
Lastinput00:
00:
02,output00:
00:
00,outputhangnever
Lastclearingof"showinterface"countersnever
Inputqueue:
0/75/0/0(size/max/drops/flushes);Totaloutputdrops:
0
Queueingstrategy:
fifo
Outputqueue:
0/40(size/max)
5minuteinputrate0bits/sec,0packets/sec
5minuteoutputrate0bits/sec,0packets/sec
68packetsinput,10779bytes
Received63broadcasts,0runts,0giants,0throttles
0inputerrors,0CRC,0frame,0overrun,0ignored
0watchdog
0inputpacketswithdribbleconditiondetected
132packetsoutput,16522bytes,0underruns
0outputerrors,0collisions,1interfaceresets
0babbles,0latecollision,0deferred
0lostcarrier,0nocarrier
0outputbufferfailures,0outputbuffersswappedout
R2#
然后把R2的F0/0的延迟也设为20000,并查看,这样两条路径等价,
R2(config)#intf0/0
R2(config-if)#delay2000(需要除以10)
R2(config-if)#exit
R2#showintf0/0
FastEthernet0/0isup,lineprotocolisup
HardwareisDEC21140,addressisca01.0eb8.0000(biaca01.0eb8.0000)
Internetaddressis192.168.24.1/24
MTU1500bytes,BW100000Kbit,DLY20000usec,
reliability255/255,txload1/255,rxload1/255
EncapsulationARPA,loopbacknotset
Keepaliveset(10sec)
Half-duplex,100Mb/s,100BaseTX/FX
ARPtype:
ARPA,ARPTimeout04:
00:
00
Lastinput00:
00:
02,output00:
00:
02,outputhangnever
Lastclearingof"showinterface"countersnever
Inputqueue:
0/75/0/0(size/max/drops/flushes);Totaloutputdrops:
0
Queueingstrategy:
fifo
Outputqueue:
0/40(size/max)
5minuteinputrate0bits/sec,0packets/sec
5minuteoutputrate0bits/sec,0packets/sec
79packetsinput,11873bytes
Received73broadcasts,0runts,0giants,0throttles
0inputerrors,0CRC,0frame,0overrun,0ignored
0watchdog
0inputpacketswithdribbleconditiondetected
146packetsoutput,17818bytes,0underruns
0outputerrors,0collisions,1interfaceresets
0babbles,0latecollision,0deferred
0lostcarrier,0nocarrier
0outputbufferfailures,0outputbuffersswappedout
接下来,查看R1的拓扑表和路由表
R1#showipeigrptopology
IP-EIGRPTopologyTableforAS(100)/ID(1.1.1.1)
Codes:
P-Passive,A-Active,U-Update,Q-Query,R-Reply,
r-replyStatus,s-siaStatus
P1.1.1.0/24,1successors,FDis128256
viaConnected,Loopback0
P4.4.4.0/24,2successors,FDis2300416
via192.168.12.2(2809856/665600),Serial1/0
via192.168.13.2(2809856/2297856),Serial1/1
P192.168.34.0/24,1successors,FDis2681856
via192.168.13.2(2681856/2169856),Serial1/1
P192.168.12.0/24,1successors,FDis2169856
viaConnected,Serial1/0
P192.168.13.0/24,1successors,FDis2169856
viaConnected,Serial1/1
P192.168.24.0/24,1successors,FDis2172416
via192.168.12.2(2681856/537600),Serial1/0
R1#
R1#showiproute
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexterna
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- EIGRP 负载 均衡