What is the Password Authentication Protocol? The Password Authentication Protocol (PAP) is a simple authentication protocol used in networking environments. It operates by having the user send a username and password to the server, which are then verified against a known list of usernames and passwords. If it is accepted, the connection is allowed. PAP is not interactive… Read More »
What is a Remote-access VPN? In Remote-access VPNs, individual hosts or clients, such as telecommuters, mobile users, and extranet consumers, can access a company network securely over the Internet. Each host typically has VPN client software loaded or uses a web-based client. A remote-access VPN host or client typically has VPN client software. Whenever the host tries to send… Read More »
Routing Information Protocol Version 2 – RIPv2. RIPv2 is a classless, distance vector routing protocol as defined in RFC 1723. Being a classless routing protocol, means, it includes the subnet mask with the network addresses in its routing updates. As with other classless routing protocols, RIPv2 supports CIDR supernets, VLSM and discontiguous networks. Due to the deficiencies of RIPv1, RIP version 2 (RIPv2) was developed in… Read More »
What is Static Route? Static routing is when network administrators manually add or configure routes on each router interface with IP addresses. This can be a challenging task, particularly in the management of large networks. Dynamic routing protocols, on the other hand, automate the process of updating routing tables and exchanging route information between routers. This can greatly… Read More »
What is Static and Dynamic NAT? Both static and dynamic NAT require that enough public addresses are available to satisfy the total number of simultaneous user sessions. What is Static NAT Static NAT also called inbound mapping, is the process of mapping an unregistered IP address to a registered IP address on a one-to-one basis. The unregistered or… Read More »
