vlan is up line protocol is down
line protocol is down gns3
line protocol is down disabled on packet tracer
gigabit ethernet is down line protocol is down
gigabitethernet0/0 is down line protocol is down
fastethernet0/0 is up line protocol is down
serial is up line protocol is down
fastethernet is down line protocol is down
I had a router with a switch connected to it and the interface was showing as Ethernet0 is up, line protocol is down. The problem in the end I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". Cisco ethernet interfaces are normally down / down if they don't have a link. If you're seeing up / down, the most likely causes are: Cable fault. You can mark an interface administratively down with the “shutdown” command, and Port disabled – Serial 0/1 is administratively down, line protocol is down. 20 Aug 2007 You say: "I believe that if the Interface is up, then the cable must be plugged in". That is an incorrect assumption. In my experience when a cable is not plugged in the Ethernet/Fast Ethernet will show to be line up line protocol down, which is the exact symptom that you report. 2 Jul 2011 Hi everyone, I am trying to connect two routers with PC's connected to them. But the ports connected to PC's look line up protocol down. Is there FastEthernet0 is down, line protocol is down: This output indicates a physical interface problem. For example, the cable on this interface or on If the recipient router does not receive the keep-alive messages for a while (a hold-down time), the status is set to line protocol down. Trying this on a L3 Switch I am quite confused on how to keep SVIs up an up without having a host connected to a VLAN access port, I hav. 23 Sep 2016 Switch#sh int g1/0/12 GigabitEthernet1/0/12 is up, line protocol is down (monitoring) Hardware is Gigabit Ethernet, address is 5017.ff29.9c0c
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