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Networking Basics

Cisco Catalyst 6500 Show Module

The “show module” command lists the line cards and the Supervisor Engines that equip a particular Cisco Catalyst 6500 series switch. Cat6500#show module Mod Ports Card Type Model Serial No. --- ----- -------------------------------------- ------------------ ----------- 1 48 CEF720 48 port ... Read More »

ISDN Protocol Components

ISDN-protocol-components

This topic is an overview of the ISDN technology components, which are relevant to the Cisco network engineer and network administrators. ISDN is a layer 3 technology that is based on the following protocols: Q.931 LAPD So ISDN is a ... Read More »

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