This is the best way you can practice and familiarize yourself with Cisco routers and IOS for people wanting to get started with Cisco products. I have used this tool in the past and found it to be very helpful. The intuitive graphics shows you the packet flow for the network you configure from scratch. [...]
There have been many posts on the Internet explaining how EIGRP gets its composite metric. I’ve been running around searching for information and it seems that there are NOT that many people who seem to post this info. Here it is, the real calculation method for EIGRP metrics.
Everyone says EIGRP metric is based off bandwidth [...]
OSPF packet types are different from OSPF LSA types.
LSA’s are represented by one of these packet types.
Check out the diagram to get a better understanding for the different types of OSPF packet types.
Step 1: Hello packet received from a neighbor router causes an OSPF interface to be in INIT STATE regardless of other variables at [...]