dap an -lab 1

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LAB 1 Sc1 : Kim tra : SW2#show ip inter br Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES unset up up FastEthernet0/1 unassigned YES unset down down FastEthernet0/2 unassigned YES unset up up Port-channel12 unassigned YES unset up up Port-channel23 unassigned YES unset down down Loopback0 10.1.1.7 YES manual up up Nguyên nhân : Sw2 cu hình sai etherchannel Khc phc : chuyn mode ca etherchannel tmode auto sang mode designable SW2(config)#interface range fa0/15 - 16 SW2(config-if-range)#ch annel-group 23 mode desirable Kết qu: SW2# show inter trunk Port Mode Encapsulation Status Native vlan Fa0/13 on 802.1q trunking 1 Po23 on 802.1q trunking 1 Po12 on 802.1q trunking 1 ….. Cu hình A : - Trên Router R1 : R1(config)#router ospf 1 R1(config-router)#net 172.18 .12.1 0.0.0.0 area 0 R1(config-router)#net 172.18.13.1 0.0.0.0 area 0 R1(config-router)#net 10.1.1.1 0.0.0.0 area 0

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