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ICND2
CUCM Basics

Need to know

Understanding EtherChannel

After completing this topic, you should be able to identify the protocols that can negotiate EtherChannel creation and maintenance.
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Dynamic Trunking Protocol (DTP) Configuration

After completing this topic, you should be able to recognize the characteristics of Dynamic Trunking Protocol (DTP).
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Introduction

What the network is and what are the most important components which are participating?
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Starting a Switch and Basic Configuration

Describe the startup of a Cisco IOS switch, log into the switch, configure it via the command-line interface.
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Developing an Optimum Design for Layer 2

Typical causes of network congestion. Presenting the bridge and the switch as alternative options to alleviate those issues.
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Understanding The TCP/IP Transport Layer

How layer 4 can provide connection-oriented and connection-less services via TCP and UDP. A key component of TCP is flow control - sequence numbers, acknowledgement numbers, and slider windows.
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Latest security threats

Fri, 17 Apr 2015 14:08:31 PDT

Multiple Vulnerabilities in OpenSSL (March 2015) Affecting Cisco Products

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Fri, 17 Apr 2015 13:51:15 PDT

Multiple Vulnerabilities in OpenSSL (January 2015) Affecting Cisco Products

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Fri, 17 Apr 2015 13:44:03 PDT

Cisco IOS XR Software BVI Routed Packet Denial of Service Vulnerability

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Wed, 15 Apr 2015 16:00:00 PDT

Cisco Secure Desktop Cache Cleaner Command Execution Vulnerability

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Wed, 15 Apr 2015 14:42:14 PDT

Multiple Vulnerabilities in ntpd (April 2015) Affecting Cisco Products

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Tue, 14 Apr 2015 20:09:45 PDT

GNU glibc gethostbyname Function Buffer Overflow Vulnerability

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