Is it possible to configure the loopback address in cisco 2950 switch. The command is there in switch,but when i am entering the correct syntax to configure the same I am getting the below mentioned
Switch(config)#int loopback 0
% Invalid input detected at '^' marker.
Please suggest what should we do configure the loopback address in L2 sw.
the existing IOS is c2950-i6q4l2-mz.121-22.EA9.bin"
is it required to upgarade?