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Cisco LAN switching configuration handbook, second edition

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Cisco LAN Switching Configuration Handbook Second Edition A concise reference for implementing the most frequently used features of the Cisco Catalyst family of switches Steve McQuerry, CCIE® No. 6108 David Jansen, CCIE No. 5952 David Hucaby, CCIE No. 4594 Cisco LAN Switching Configuration Handbook, Second Edition, is a quick and portable reference guide to the most commonly used features that can be configured on Cisco® Catalyst® switches. Written to be used across all Catalyst IOS platforms, the book covers general use of Cisco IOS®, followed by a series of chapters that provide design and configuration guidelines. Each chapter starts with common design overviews and then describes the configuration of management features. Coverage includes Layer 2, Layer 3, multicast, high availability, and traffic management configurations. This book is organized by groups of common features, with sections marked by shaded tabs for quick reference. Information on each feature is presented in a concise format, with background, configuration, and example components. The format is organized for easy accessibility to commands and their proper usage, saving you hours of research time. From the first page, the authors zero in on quick facts, configuration steps, and explanations of configuration options in each Cisco Catalyst switch feature. The quick reference format allows you to easily locate just the information you need without having to search through thousands of pages of documentation, helping you get your switches up and running quickly and smoothly. Whether you are looking for a handy, portable reference to more easily configure Cisco Catalyst switches in the field, or you are preparing for CCNA®, CCNP®, or CCIE® certification, you will find Cisco LAN Switching Configuration Handbook, Second Edition, to be an essential resource. Steve McQuerry, CCIE No. 6108, is a technical solutions architect with Cisco focused on data center solutions. Steve works with enterprise customers in the midwestern United States to help them plan their data center architectures. David Jansen, CCIE No. 5952, is a technical solutions architect (TSA) with Cisco focused on Data Center Architectures at Cisco. David has more than 20 years of experience in the IT industry. David Hucaby, CCIE No. 4594, is a lead network engineer for the University of Kentucky, where he works with healthcare networks based on the Cisco Catalyst, ASA/PIX/FWSM security, and VPN product lines. Implement switched campus network designs Configure switch prompts, IP addresses, passwords, switch modules, file management, and administrative protocols Understand how Layer 3 interfaces are used in a switch Configure Ethernet, Fast Ethernet, Gigabit Ethernet, and EtherChannel interfaces Implement VLANs, trunking, and VTP Operate, configure, and tune Spanning Tree Protocol (STP) Handle multicast traffic and interact with multicast routers Streamline access to server and firewall farms with accelerated server load balancing Deploy broadcast suppression, user authentication, port security, and VLAN access lists Configure switch management features Implement QoS and high availability features Transport voice traffic with specialized voice gateway modules, inline power, and QoS features This book is part of the Networking Technology Series from Cisco Press®, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

[...]... (global) interface vlan vlannumber (interface or subinterface) ip address address mask (interface or subinterface) management Catalyst switches can have an active management address in only one VLAN The management command on the Layer 2 IOS switches specifies which VLAN is active VLAN 1 is the default management VLAN for IOS On a Layer 2 IOS switch, if VLAN 1 is not the management VLAN, the prompt reads... Froom, Richard, Balaji Sivasubramanian, and Erum Frahim Building Cisco Multilayer Switched Networks (BCMSN), Fourth Edition Cisco Press, ISBN-10: 1-58705-273-3 Hucaby, Dave CCNP BCMSN Official Exam Certification Guide, Fourth Edition Cisco Press, ISBN 1-58720-171-2 Chapter 3 Supervisor Engine Configuration See the following sections for configuration information about these topics: • • • • • • • • 3-1:... for information about these topics: • • 1-1: Cisco Internetwork Operating System (IOS) Software: Describes the use of Cisco IOS Software for switching configuration 1-2: ROM Monitor: Describes the use of the ROM monitor for recovery of a switch and configuration of boot parameters 1-1 Cisco Internetwork Operating System (IOS) Software • • • • • • • • • Cisco IOS Software supports user access by CLI... Families Cisco Product Quick Reference Guide (CPQRG) at http://www .cisco. com/en/US/prod/qrg/index.html For Catalyst LAN switches, go to http://www .cisco. com/en/US/products/hw/switches/index.html#~hide_v3~+ Software Advisor: A tool to compare and match Catalyst COS and IOS features, releases, and hardware platforms Go to http://tools .cisco. com/Support/Fusion/FusionHome.do (CCO login required) Cisco Validated... execute Cisco IOS Software commands from a user level or from a privileged level User level offers basic system information and remote connectivity commands Privileged level offers complete access to all switch information, configuration editing, and debugging commands Cisco IOS Software offers many levels of configuration modes, enabling you to change the configuration for a variety of switch resources Cisco. .. changed Configuration mode is organized in a hierarchical fashion Global configuration mode enables commands that affect the switch as a whole Interface configuration mode enables commands that configure switch interfaces You can move in and out of many other configuration modes depending on what is configured To move from a lower-level configuration mode to a higher level, type exit To leave the global configuration. .. layer where no other routers reside Other considerations For each VLAN, configure an STP root bridge and a secondary root bridge as close to the core layer as possible See section "7-2: STP Configuration, " in Chapter 7 a Broadcast domains  Limit the size of broadcast domains by controlling the size of VLANs It is permissible to extend VLANs anywhere in the network, but broadcast traffic will follow it... Viewing and changing configuration variables a Viewing the configuration variables rommon> set The ROM monitor loads the configuration variables for the switch before giving the user access to the prompt These variables include the location of the configuration file and the boot image that ROM monitor will look for Use the command set with no options to view these variables b Setting the configuration variables:... Catalyst 2960-48TT-S, and Catalyst 2960-48TC-S) o Forwarding rate based on 64-byte packets:  Cisco Catalyst 2960-8TC-S: 2.7 Mpps  Cisco Catalyst 2960-24-S: 3.6 Mpps  Cisco Catalyst 2960-24TC-S: 6.5 Mpps  Cisco Catalyst 2960-48TT-S: 10.1 Mpps  Catalyst 2960-48TC-S: 10.1 Mpps • Catalyst 2975: o 32-Gbps switching fabric o 38.7 Mpps forwarding rate based on 64-byte packets Catalyst 3000 Series The... users  To load balance across the access layer uplinks, adjust the STP parameters so that one access VLAN travels over one uplink while another VLAN travels over the other uplink (Layer 2 distribution layer) Otherwise, adjust the HSRP priorities in a Layer 3 distribution so that one distribution switch supports one access VLAN and the other distribution switch supports another VLAN  If Layer 3 is

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