i have a problem in my base station, the router is connected to a switch and a second switch is connected to the first switch.(with just one cable),i have a client conected to this second switch with a point to point link. the strange thing is that whenever the client restart its router or at any other time, i just find out that the switch port at the base station shut its self down. ie if u do a show run the shutdown will be seen configured. i.e
switchport trunk encapsulation dot1q
switchport trunk native vlan 152
switchport mode trunk
no ip address
no cdp enable
i need help in understanding what is hapening if anybody has experience this before.
%ETHCNTR-3-LOOP_BACK_DETECTED: , Loop-back detected on [chars]. The port is forced to linkdown.
This message means that a loopback condition might be the result of a balun cable incorrectly connected into a port. [chars] is the port.
Recommended Action: On non-PoE switches, check the cables. If a balun cable is connected and the loopback condition is desired, no action is required. Otherwise, connect the correct cable, and then enable the port up by entering the no shutdown interface configuration command.
Please remove the shutdown option from the configuration of the Fa0/3 and save the config, or else in case your Core Switch reboots, the fa0/3 port will come back in Shutdown mode only and you may need to spend some extra time to figure out the cause of the issue.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.