FastEthernet interface(FastEthernet0 or FastEthernet1) might randomly go down and back up in some situation.
This symptom occurs when you plug out and back in, or when you do a shut/no shut. or after a reload.
This symptom depends on the timing: Sometimes it cannot be seen in these situation above. Under the situation using RIP, it could be that flapping interface does not appear on RIP database and accordingly Cisco 1812 does not send rip update packets. About Wan and Ethernet Ports.Wan for Serial connection and Ehternet for Local Networks.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...