1. The RIP process operates from UDP port 520. 2. The metric used by RIP is hop count, with 1 signifying a directly connected network of the advertising router and 16 signifying…
Category: CCNA Articles
CCNA Articles
The summarization of EIGRP – BSCI
The characteristics of EIGRP follow: § Hybrid routing protocol (distance vector that has link-state protocol characteristics). § Use DUAL, first proposed by E. W. Dijkstra and C. S. Scholten, to perform distributed…
IPv6 EUI-64 interface addressing
One of IPv6’s key benefits over IPv4 is its capability for automatic interface addressing. By implementing the IEEE’s 64-bit Extended Unique Identifier (EUI-64) format, a host can automatically assign itself a unique…
5 Minutes Course – Frame Relay
Frame Relay is packet switched WAN techonlogy for transporting Data across Conection oriented Virtual Circuits using Public Data Networks (PDN). its high performance alternative to overly reliable / slow X.25 Wan Protocol….
How to configure NAT?
There are a number of commands that can be used to configure the different variations of NAT. Configuring Static NAT Static NAT configuration requires that each static mapping between a local, or…
Network Address Translation (NAT)
The advantage of using private IP addresses is that it allows an organization to use private addressing in a network, and use the Internet at the same time, by implementing Network Address…
IP Access Control List (ACL)
Standard IP Access Control Lists Filtering logic could be configured on any router and on any of its interfaces. Cisco IOS software applies the filtering logic of an ACL either as a…
Subneting and Summarization
Subneting The process of extending the default subnet mask creates a counting range in the octet that the subnet was extended into, which can be used to represent subnetworks. This allows a…
IP Address Classes and CIDR
IP addresses are divided in to ‘classes’, based on the decimal value represented in the first octet. This class definition is referred to as the First Octet Rule. There are five classes…