System Description

Figure 1-1 Typical XSR-3020 Topology

XSR-3020

Regional site backup:

modem pool

(3rd party RAS)

PSTN (for PPP)

 

 

Network

PSTN

Authenticate incoming

 

 

 

 

PPP connection with

Primary link:

 

local authentication database

 

 

T1/E1 or serial interface

 

 

running PPP

Link backup

 

 

 

 

with PPP

 

 

via external

 

XSR-3020

async modem

XSR-3020

 

IP subnet

 

IP subnet

Hardware Features

The semi-modular XSR, shown in Figure 1-2, comes equipped with the following features:

Standard 1U chassis (1-11/16 inches high by 17 inches wide by 21 inches deep) mountable in a standard 19” rack.

Broadcom 1250 dual-CPU, 64-bit processor (1700 Dhrystone MIPS @ 600 MHz) with load balancing, 512 KByte on-chip Layer 2 cache, up to two co-issued, load-to-use instruction pairs per cycle, and 32 KByte Instruction and Data caches.

Internal, universal (100 - 240 VAC) power supply with country-specific line cords.

1-2 Overview

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Enterasys Networks XSR-3020 manual Hardware Features, Pstn

XSR-3020 specifications

Enterasys Networks XSR-3020 is a sophisticated Layer 2 and Layer 3 switch designed to meet the demands of modern networking environments. Known for its robust performance and versatility, the XSR-3020 is an ideal solution for enterprises that require high efficiency, comprehensive security, and network reliability.

This switch supports a variety of advanced technologies, making it suitable for both data center and edge deployments. One of its standout features is its scalability. The XSR-3020 can accommodate growing network demands by allowing for easy integration of additional modules. This capacity for expansion ensures that organizations can adapt their networks without the need for complete hardware replacements.

The XSR-3020 offers high-speed connectivity through its multiple gigabit Ethernet ports, providing up to 48 10/100/1000BASE-T ports in a single chassis. This high-density design optimizes the physical space and ensures that organizations can connect numerous devices simultaneously without sacrificing performance. Additionally, it supports Power over Ethernet (PoE), allowing users to power network devices, such as IP cameras and access points, directly through the switch. This feature streamlines installations and reduces the clutter of electrical wiring.

Security is a critical consideration in today’s network landscape, and the XSR-3020 addresses this need with robust security features. It incorporates advanced access control capabilities, enabling administrators to segment traffic and enforce policies effectively. The switch also supports 802.1X authentication, ensuring that only authorized devices can connect to the network.

In terms of management, the XSR-3020 is designed to simplify operations through its user-friendly interface and extensive support for management protocols. It offers native support for Simple Network Management Protocol (SNMP) and can be easily integrated with various network management systems, allowing for efficient monitoring and troubleshooting.

Another key characteristic of the XSR-3020 is its reliability. With features such as redundant power supplies and fans, the switch ensures high availability, minimizing downtime for critical applications. It is also built to withstand harsh conditions, making it suitable for diverse environments.

Overall, the Enterasys Networks XSR-3020 combines high performance, scalability, and security, making it an excellent choice for organizations looking to enhance their network infrastructure. Its comprehensive set of features positions it as a reliable backbone for any modern enterprise network, ensuring that businesses can operate efficiently and securely.