CCNA Portable Command Guide Second Edition Scott Empson Cisco Press 800 East 96th Street Indianapolis, Indiana 46240 USA ii CCNA Portable Command Guide, Second Edition Scott Empson Copyright© 2008 Cisco Systems, Inc. Published by: Cisco Press 800 East 96th Street Indianapolis, IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information
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defined networking. A software defined network attempts to build a computer network by separating into two systems. The first system is control plane which provides performance and fault management for protocols like Netflow, IPFIX, SNMP, and other standard protocol. It typically handles configuration management software defined network compliant devices and understand the network topology. Loaded with this information controller can process connection request based on the requirement such as quality
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Lab #1 Analyze Essential TCP/IP Networking Protocols 1. What is the purpose of the address resolution protocol (ARP)? ARP is used to mediate between Ethernet (and other broadcast link-level protocols) and the network layer, or IP protocols. Put more simply, ARP converts IP addresses to Ethernet addresses. 2. What is the purpose of the dynamic host control protocol (DHCP)? DHCP (Dynamic Host Configuration Protocol) is a communications protocol that lets network administrators centrally manage
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CCNA Portable Command Guide Second Edition Scott Empson Cisco Press 800 East 96th Street Indianapolis, Indiana 46240 USA ii CCNA Portable Command Guide, Second Edition Scott Empson Copyright© 2008 Cisco Systems, Inc. Published by: Cisco Press 800 East 96th Street Indianapolis, IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and
Words: 64092 - Pages: 257
| | | | | | | | | | | | | | | | | | | | Internet Protocol The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet. IP has the task of delivering packets from the source host to the destination host solely based on the IP addresses contained in the packet. IP defines packet structures
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QualNet 5.0.2 User’s Guide March 2010 Scalable Network Technologies, Inc. 6100 Center Drive, Suite 1250 Los Angeles, CA 90045 Phone: 310-338-3318 Fax: 310-338-7213 http://www.scalable-networks.com http://www.qualnet.com Copyright Information © 2010 Scalable Network Technologies, Inc. All rights reserved. QualNet is a registered trademark of Scalable Network Technologies, Inc. All other trademarks and trade names used are property of their respective companies. Scalable Network Technologies, Inc
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The purpose of the lab is to explore Layer 2 security features, such as port security, storm-control, DHCP snooping, private-VLANS, dynamic Address Resolution Protocol (ARP) inspection and IP source guard that maybe implemented on Cisco Catalyst switches. These security features are explored in order to protect a private network against attacks against a switch. Background Info on Lab Concepts Content Addressable Memory (CAM) Table Flooding CAM tables are limited in size. If enough entries are entered
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classless routing protocols are RIPv2, OSPF, IS-IS, EIGRP and BGPv4. The following protocols support the VLSM (variable length subnet mask) and CIDR (Classless inter-domain routing protocol). Classless routing protocols send the subnet mask as well as the network address in the routing update. If I was working for an established or new company that needed a lot of hosts, I would choose classless because you can set the amount of hosts. Unlike classful routing where the amount of hosts are automatically
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Regardless of how many hosts, the DNS is a system that is very important. Dynamic host configuration protocol (DHCP) is a networking protocol that allows the dynamic (automatic) distribution of IP addresses to hosts on a network. If DHCP is enabled, the hosts will each receive a leased IP address that is chosen by the DHCP server from a scope chosen by the network administrators. Sometimes the administrators can reserve IP addresses if needed. Depending on the amount of hosts, it could determine if
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VLAN Configuration This chapter describes how to configure normal-range VLANs (VLAN IDs 1 to 1005) and extended-range VLANs (VLAN IDs 1006 to 4094) on the CGR 2010 ESM. It includes information about VLAN membership modes, VLAN configuration modes, VLAN trunks, and dynamic VLAN assignment from a VLAN Membership Policy Server (VMPS). Note For complete syntax and usage information for the commands used in this chapter, see the online Cisco IOS Interface Command Reference, Release 12.2. * Understanding
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