What is so special about the new Software-Defined WAN concept besides the many marketing slogans like “Redefining Networks for Cloud era” or “Transport independent secure fabric” or where the “66% cost reduction” comes from? First of all, when we talk about SDWAN we can think of it as the practical enforcement of the Software-Defined Network (SDN) Read More
Category: Hardware
Understanding PIM Sparse Mode vs Dense Mode
Sparse-dense mode, as the name implies, allows the interface to operate on a per-group basis in either sparse or dense mode. A group specified as dense is not mapped to an RP. Instead, data packets destined for that group are forwarded by means of PIM dense-mode rules. A group specified as sparse is mapped to Read More
What Is Intent-based Networking (IBN)?
Intent-based networking (IBN) is an emerging technology concept that aims to apply a deeper level of intelligence and intended state insights to networking. Ideally, these insights replace the manual processes of configuring networks and reacting to network issues. Simply put, administrators can send a request to tell the network what outcome they want (their intent) instead Read More
Understanding SPAN,RSPAN,and ERSPAN
Introduction: Switch port Analyzer (SPAN) is an efficient, high performance traffic monitoring system. It duplicated network traffic to one or more monitor interfaces as it transverse the switch. SPAN is used for troubleshooting connectivity issues and calculating network utilization and performance, among many others. There are three types of SPANs supported on Cisco products, which Read More
How to Config HP JetDirect Via Telnet
First thing first, you may need to add the telnet feature if you have not installed it previously. Go to “Turn windows features on or off” Check the little box before “Telnet Client” and then click “OK”. Wait for the installation to finish, your computer will be ready. telnet to the IP of Jetdirect from Read More
How To Reset and Access HP JETDIRECT
Received a number of help on resetting the HP Jetdirect (JD afterward) to factory defaults, but could not tell me why the IP address was not defaulting to that in the manual(s). So, hopefully, the following may help. So if you have an unknown HP JetDirect EX Plus J2591A, the first thing is to change Read More