While there are three Ethernet cable choices in use—Cat 5, Cat 5e and Cat 6—only the latter two are still considered viable choices for telecom and industrial applications. Since August 2009, when ANSI/TIA-568-C.2 (Balanced Twisted-Pair Telecommunications Cabling and Components Standard) was published, category 5 has been superseded by category 5e and is no longer recognized by this standard. The use of category 5e or better cabling is recommended for all new installations. And yet even with this simplification, there is still a great deal of confusion among Ethernet cable users concerning whether to use Cat 5e or Cat 6 cable. Continue reading
It seems like the day has come. Finally, after lots of announcements and …promises, the day that IPv6 will be activated is tomorrow. It’s not a coincidence that the 6th day of the 6th month is chosen as the IPv6 start up day… Continue reading
Lots of times we are troubleshooting cisco switches connectivity and performance. Under the stress of the moment we forget some essential IOS commands that can save us time and effort. Continue reading
The most common interface on a Cisco router is the Ethernet or FastEthernet interface. It has the form of a female RJ-45 connector.
In order to make it work we must configure it and enable it. Some of the configuration parameters are the interface ip address and the subnet mask. Continue reading