Tag: trouble shoot
Discovering a Cisco Network with CDP (Part 2)
Part one of this two part series talked about walking out your network with CDP. This is useful when all you need to know is the topology of the network equipment its self. The next step in the process is to map out where servers or other hosts are located. The first way of doing […]
Discovering a Cisco Network with CDP (Part 1)
If you have ever been dropped face first into an undocumented Cisco network with little Cisco experience you may have found yourself overwhelmed. Fortunately for admins who have no desire to tone cables or read long mac address tables there is a simple way to map out a network like this. The Cisco Discovery Protocol […]
Fluke Link Runner
When looking for a simple, easy to use and easy to carry network tool I decided on the Link Runner by Fluke Networks. The device its self is about the size of a typically smart phone and about twice as thick. There are only three buttons on the device; a power button and a pair […]
Passive Sniffing on Windows
With Linux you can configure a sniffing only port relatively easy. Put it in promiscuous mode without an IP and sniff away passively. With windows, there is typically always an IP address assigned to an interface. If not statically assigned the interface will search for DHCP and will ultimately end up with an address in […]