用Cisco Packet Tracer测试链路聚合

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1、背景：机房三层交换机到弱电间接入层交换机通过光纤连接，某口突然发现接入交换机网络 不通，经过现场检查发现光门灯不亮。用红光笔测试发现光纤链路故障。成本较高，需要增加光模块成本基本可以忽略方案一：重新从机房到弱电间拉一根光纤成本较高 方案二：从弱电间的另外一个交换机接光纤到故障交换机 方案三：从弱电间的另外交换机接一根网线到故障交换机成本门J以忽略方案四：从弱电间的另外交换机接两根网线到故障交换机，做链路聚合FC-PTPCOPC-PT PCI从以上四个方案，我们选择了方案四，拓扑如下3650-24PSMultilayer Swi tchO三层交换机：配置dchp server配置部门所在的VLA

2、N配置trunk酉己置 vtp server 和 domain、 password7503#sh runBuilding configurationCurrent configuration : 1532 bytesIversion 16. 3. 2no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryptionIhostname 7503 ip dhcp pool zhaoshangnetwork 10. 64. 42. 0 255.

3、 255. 255. 0default-router 10. 64.42.254dns-server 10 64. 25. 1 no ip cefno ipv6 cef spanning-tree mode pvstjjjjjjinterface GigabitEtherne11 0/1 jinterface GigabitEtherne11 0/2 jinterface GigabitEtherne11 0/3 jinterface GigabitEthernetl 0/4 jinterface GigabitEtherne11 0/5 jinterface GigabitEtherne11

4、 0/6 jinterface GigabitEtherne11 0/7 jinterface GigabitEtherne11 0/8interface GigabitEthernet10/10Iinterface GigabitEthernet10/11Iinterface GigabitEthernet1 0/12Iinterface GigabitEthernet10/13Iinterface GigabitEthernet1 0/14Iinterface GigabitEthernet10/15Iinterface GigabitEthernet10/16Iinterface Gig

5、abitEthernet10/17Iinterface GigabitEthernet1 0/18Iinterface GigabitEthernet1 0/19Iinterface GigabitEthernet1 0/20Iinterface GigabitEthernet10/21Iinterface GigabitEthernet1 0/22Iinterface GigabitEthernet1 0/23Iinterface GigabitEthernet1 0/24Iinterface GigabitEthernet1/1/1Iinterface GigabitEthernet1/1

6、/2Iinterface GigabitEthernet1/1/3Iinterface GigabitEthernet1/1/4Iinterface Vlanlno ip address shutdownIip address 10.64. 42. 254 255 255 255 0 !ip classless!ip flow-export version 9 line con 0!line aux 0!line vty 0 4loginIIIendSI交换机：配置faO/1和faO/2的端I I汇聚配置汇聚端口的trunk 配置 vtp client 和 passworddomain sl#

7、sh runBuilding configurationCurrent configuration : 1267 bytesIversion 12. 1no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryptionIhostname siinterface Port-channel1 switchport mode trunk interface FastEthernetO/1 switchport mode trunk channe

8、l-group 1 mode on Iinterface FastEthernetO/2 switchport mode trunk channel-group 1 mode on interface FastEthernetO. 3Iinterface FastEthernetO/4interfaceFastEthernetO/5interfaceFastEthernetO/6interfaceFastEthernetO/7interfaceFastEthernetO/8interfaceFastEthernetO/9interfaceFastEthernetO/10switchport a

9、ccess vlan 42 interface FastEthernetO 11Iinterface FastEthernetO 12interfaceFastEthernetO/13interfaceFastEthernetO/14interfaceFastEthernetO/15interfaceFastEthernetO/16interface FastEthernetO 18interfaceFastEthernetO/19interface FastEthernetO. 20 jinterface FastEthernetO/21 jinterface FastEthernetO,

10、22 interface FastEthernetO. 24 jinterfaceFastEthernetO/23interface GigabitEthernetO/1 switchport mode trunk interface GigabitEthernetO/2 interface Vlanl no ip address shutdown line con 0Iline vty 0 4loginline vty 5 15login endS2交换机：配置faO/1和faO/2的端【I汇聚 配置汇聚端口的trunk配置 vtp client 和 password、domains2#sh

11、 runBuilding configuration.Current configuration : 1244 bytesversion 12. 1no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryptionIhostname s2 spanning-tree mode pvst spanning一tree extend system-id Iinterface Port-channell switchport mode trunk

12、Iinterface FastEthernetO/1 switchport mode trunk channel-group 1 mode on Iinterface FastEthernetO/2 switchport mode trunk channel-group 1 mode on interface FastEthernetO. 3 jinterface FastEthernetO/4 jinterface FastEthernetO/5interfaceFastEthernetO/6interface FastEthernetO/7 jinterface FastEthernetO

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