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Dear TeamWhen our system upgrade IOS of router 2921 with c2900-universalk9-mz.SPA.150-1.M3.bin to c2900-universalk9-mz.SPA.154-3.M2.We can not use telnet service !Please check in attach file, please explain help me ?Thank you
Dear Team. Our system are using 02 switch2960, 02 router2921(EHWIC-4ESG).We have 5 vlan on switch and router, we use HSRP and Spanning-tree. When i plug cable with green color (Fe0/0/0 and Fe0/2/0), The system was loop. IOS c2900-universalk9-mz.SPA.1...
Dear Team.I have two switch 2960, WS-C2960S-24TS-L and WS-C2960S-48TS-L was stackable.I was configured ethernet-channel, using one port on 2960S-24 port and other port on 2960S-48 port but not success.After enter command channel-group 1 mode auto, sw...
HiOur system are oversea area, i can not use console to config!with old IOS(2900-universalk9-mz.SPA.150-1.M3.bin) , no need config "transport input all", i still use telnet service everyday!Please explain with detail !Thanks
Dear Team.I just update new topology with the same config.The configurations for Fe0/0/0 and Fe0/2/0 move to Gi0/1/0 and Gi0/0/0.interface GigabitEthernet0/1/0 switchport mode trunk no ip addressinterface GigabitEthernet0/0/0 switchport mode trunk no...
Dear Matthew.On router 2921:interface FastEthernet0/0/0 switchport mode trunk no ip address!interface FastEthernet0/2/0 switchport mode trunk no ip addressPlease help me check!Thanks.
