I recently purchased a C60 from a third-party and it was factory reset and there isn't any software on it. I created an account on Cisco to download the firmware, however, it says I need to have a service contract in place in order to download the fi...

I have the ip addresses 200.1.1.0, 200.1.3.0, and 200.1.5.0, 200.1.7.0.If I create an ACL with ip 200.1.1.0 0.0.6.255 Will this only allow the ODD ip addresses through?If so, can someone explain this to me in binary, bc Im having trouble explaining i...