Thursday, June 30, 2011

Culture is not your friend

What civilization is, is 6 billion people trying to make themselves happy by standing on each other’s shoulders and kicking each other’s teeth in. It’s not a pleasant situation. And yet, you can stand back and look at this planet and see that we have the money, the power, the medical understanding, the scientific know-how, the love and the community to produce a kind of human paradise. But we are led by the least among us - the least intelligent, the least noble, the least visionary. We are led by the least among us and we do not fight back against the dehumanizing

Friday, June 24, 2011

Potential DoS attack on a Cisco Layer 2 Switch

I came across an Issue at my work where one of our customer's RF network was frequently going down. This RF network supports wireless handheld inventory management RF guns. The initial reason for the network down time was unknown but on careful examination through remote user assistance the cabling for the standard network setup was altered.

Usually, in small network installations, it is a best practice to connect an RF network to a Gigabyte or fast Ethernet port on a switch, on a 24 port switch it is a good practice to connect the RF network to the last switch ports, either 23X or 24X, not a coercion, but that's what I've