Glossary

T

TACACS

Telnet

Terminal Access Controller Access Control System, a an authentication server that validates user IDs and passwords, thus controlling entry into systems.

A service that lets you log in to a system over a network just as though you were logging in from a remote character terminal attached to the system. It is commonly used to provide an Internet service that is exactly the same as the one you would get if you dialed into the system directly with a modem.

Trap

A network message of a specific format issued by an SNMP entity on behalf of a network management

 

agent application. A trap is used to provide the management station with an asynchronous notification

 

of an event.

Tunnel

A tunnel is defined by an LNS-LAC pair. The tunnel carries PPP datagrams between the LAC and the

 

LNS; many sessions can be multiplexed over a single tunnel. A control connection operating in band

 

over the same tunnel controls the establishment, release, and maintenance of sessions and of the tunnel

 

itself.

Tunnel Network

A server that terminates a tunnel. In PPTP terminology, this is known as the PPTP Network Server

Server

(PNS). In L2TP terminology, this is known as the L2TP Network Server (LNS).

U

UDP

User List

User Record

Users

User Datagram Protocol, a data packet protocol.

The list of users registered for dial-in access.

The UserRecord contains all the information that needs to be accessed at runtime about a particular user. This enables it to be read in one database operation in order to minimize the cost of authenticating the user. The UserRecord is stored as an encrypted string in the MCD database, because it contains the user’s password, amongst other things.

Users are represented by entities in specific UserLists. See User Record.

V

Vendor

VHG

Each NAS has a vendor associated with it. A vendor may specify attributes for the NAS that are not part of the standard specification.

Virtual Home Gateway—a Cisco IOS component that terminates PPP sessions. It is owned and managed by the service provider on behalf of its customer to provide access to remote users of that customer’s network. a single service provider device (router) may host multiple VHGs of different customers. a VHG may be dynamically brought up and down based on the access pattern of the remote users. Note that there is no single IOS feature called the VHG; it is a collection of function and features (PPP, virtual profiles, VRFs, etc.).

Cisco Access Registrar 3.5 Concepts and Reference Guide

 

GL-8

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3.5 specifications

Cisco Systems 3.5 is an advanced version of Cisco's renowned networking and security solutions. This iteration showcases significant enhancements in performance, scalability, and security, making it a preferred choice for enterprises aiming to optimize their network operations and bolster their cybersecurity posture.

One of the main features of Cisco Systems 3.5 is its enhanced network automation capabilities. Automation streamlines network management, allowing organizations to apply consistent policies across their infrastructure while minimizing human error. This version employs advanced algorithms and machine learning to predict and rectify network issues proactively. With automation tools, network administrators can configure, monitor, and troubleshoot their networks with unprecedented efficiency.

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Security is a major focus in Cisco Systems 3.5. The platform introduces advanced threat detection and response systems that utilize deep learning to identify and mitigate emerging threats in real-time. Enhanced encryption protocols ensure that data transmitted over the network remains secure, protecting sensitive information from cyber threats. The integrated security features ensure compliance with various regulatory standards, a crucial requirement for businesses across multiple sectors.

The platforms' support for Software-Defined Networking (SDN) allows for dynamic resource allocation and traffic management. This flexibility enables organizations to adjust their network resources quickly in response to changing demands, leading to improved efficiency and reduced operational costs. Cisco Systems 3.5 also supports multicloud environments, facilitating seamless integration with cloud services such as AWS, Google Cloud, and Microsoft Azure.

Moreover, Cisco Systems 3.5 offers robust telemetry features, providing detailed real-time insights into network performance and health. This data-driven approach allows organizations to make informed decisions regarding capacity planning and resource optimization.

In summary, Cisco Systems 3.5 combines cutting-edge technologies such as AI, machine learning, and SDN to deliver a comprehensive networking solution. With its focus on automation, enhanced security, and multicloud support, this version is well-suited for modern enterprises looking to enhance their network infrastructure and security measures. As organizations continue to evolve in a digital-centric world, Cisco Systems 3.5 stands out as a critical tool to achieve connectivity and security goals effectively.