cisco press ios xr fundamentals book

... Trang 2Inside Cisco IOS Software Architecture Copyright Information Copyright © 2000 Cisco Systems, Inc Cisco Press logo is a trademark of Cisco Systems, Inc Published by: Cisco Press 201 West ... through forums, Cisco presentations, and the Cisco Technical Assistance Center Most of the information you cannot find in the Cisco IOS documentation Objectives Inside Cisco IOS Software Architecture ... summarizes the switching methods developed as of Cisco IOS Release 12.0: • Distributed fast switching • Cisco Express Forwarding (CEF) • Distributed Cisco Express Forwarding (dCEF) Trang 38This chapter

Ngày tải lên: 16/11/2014, 19:56

... Trang 1PART IIIConfiguring a Router Chapter 6 Configuring a Single Cisco Router Trang 2This page intentionally left blank Trang 3• Entering global configuration mode• ... ho o os s st tn t na n a am m me e e C C Ci i is s sc co c o The name can be any word you choose Cisco(config)# Router(config)#e e en n na a ab bl b le l e e p p pa as a s ss s sw w wo or o r rd ... l e e p p pa as a s ss s sw w wo or o r rd d d c ci c is i s sc c co o Sets enable password to cisco Router(config)#l l li i in n ne e e c c co o on n ns so s o ol l le e e 0 0 Moves to console

Ngày tải lên: 14/08/2014, 13:21

... -mmmoododdee Sets the VTP domain to Version 2 This command is for Cisco IOS Software Release 12.3 and later If you are using a Cisco IOS Software release earlier than 12.3, the command is vtp version ... -mmmoododdee Sets the VTP domain to Version 2 This command is for Cisco IOS Release 12.3 and later If you are using a Cisco IOS release earlier than 12.3, the command is vtp version 2. NOTE: ... Mode CAUTION: The VLAN database mode has been deprecated and will be removed in some future Cisco IOS release Recommended practice dictates using only the VLAN configuration mode NOTE: To communicate

Ngày tải lên: 14/08/2014, 13:21

... Finding the Cisco IOS Software Image File 192 Restoring IOS software using tftpdnld Figure 16- 2 Sending the Cisco IOS Software Image File to the Router Restoring the Cisco IOS Software ... the Cisco IOS Software from a TFTP Server Backing Up the Cisco IOS Software to a TFTP Server c Denver#copy flash tftp Source filename [ ]? c 260 0-js-l_121-3.bin Name of the Cisco IOS Software ... server • Restoring/upgrading the Cisco IOS Software from a TFTP server • Restoring the Cisco IOS Software from ROM Monitor mode using Xmodem • Restoring the Cisco IOS... and writing data, such

Ngày tải lên: 14/08/2014, 13:21

... local username database, a local IP domain, and an RSA key to be generated The Cisco implementation of SSH requires Cisco IOS Software to support Shamir-Adleman (RSA) authentication and minimum Data ... Disables the HTTP server Trang 16218 The netstat CommandCAUTION: The HTTP server was introduced in Cisco IOS Software Release 11.0 to extend router management to the web You have limited management ... ip p p h ht h tt t t tp p p s se s e er r rv v ve er e r Enables the HTTP server, including the Cisco web browser user interface Router(config-if)#n no n o o i i ip p p h h ht t tt t tp p p se

Ngày tải lên: 14/08/2014, 13:21

... (Optional Commands): Compression c Router(config-if)#compress predictor Enables the predictor compression algorithm c Router(config-if)#compress stac Enables the stac compression algorithm Configuring... ... if connecting to a non -Cisco router 2 58 Configuring Frame Relay Setting the Frame Relay Encapsulation LMI Type f Router(config-if)#frame-relay lmia type {ansi | cisco | q933a} Depending ... Commands): Authentication u Router(config)#username routerb password cisco Sets a username of routerb and a password of cisco for authentication from the other side of the PPP serial link

Ngày tải lên: 14/08/2014, 13:21

... username/password combination again or to accept a digital signature from Cisco IOS Software If you are challenged, go ahead and enter cisco/ cisco or the username/password configured in CLI If you are asked ... changes, click Finish If not, click Back and make your changes. Figure 29-15 Cisco SDM Express Configuration Trang 17Cisco SDM Express provides final instructions on how to reconnect to the router if ... credentials using SDM or the CLI. Here are the cisco IOS commands Username <myuser> privilege 15 secret 0 <mypassword> No username cisco Replace <myuser> and <mypassword>

Ngày tải lên: 14/08/2014, 13:21

... your favorite technology bookmeans the book is available through Safari Bookshelf When you buy this book, you get free access to the online edition for 45 days Safari Bookshelf is an electronic ... technical books, find code samples, download chapters, and access technical information whenever and wherever you need it TO GAIN 45-DAY SAFARI ENABLED ACCESS TO THIS BOOK: • Go to http://www.ciscopress.com/safarienabled ... 41If you have difficulty registering on Safari Bookshelf or accessing the online edition, please e-mail customer-service@safaribooksonline.com.THIS BOOK IS SAFARI ENABLED INCLUDES FREE 45-DAY ACCESS

Ngày tải lên: 14/08/2014, 13:21

... signatures continues continues continues Posted: Wed Jun 14 11:30:40 PDT 2000 Copyright 1989 - 2000©Cisco Systems Inc Trang 2Table of ContentsThreats in an Enterprise Network Types of Threats Unauthorized ... data packets and then later replay them Impersonation of individuals is common Most of these scenarios pertain to gaining access to authentication sequences and then using this information to attain ... Internet Security: Repelling the Wily Hacker by William Cheswick and Steven Bellovin (Addison-Wesley Press) The TCP/IP Protocol Internet Protocol (IP) is a packet-based protocol used to exchange data

Ngày tải lên: 14/08/2014, 14:20

... and can be a very complex process Note Routing fundamentals are beyond the scope of this book Read Internet Routing Architectures, published by Cisco Press/MTP, for a more detailed discussion on ... they are actually needed It is beyond the scope of this book to provide a detailed list of all the network services available However, the books recommended in Appendix A, "Sources of Technical ... an as-needed basis Most routers, regardless of the routing protocol used, have features that suppress the announcement of specified routes and can ignore certainreceived routes and not incorporate

Ngày tải lên: 14/08/2014, 14:20

... only read any SNMP MIB objects Cisco IOS Devices You can issue most of the Cisco IOS commands using a Web browser The Cisco IOS feature is accessed by using the Cisco Web browser interface, which ... the router's home page All Ciscorouters and access servers running Cisco IOS Release 11.0(6) or later have an HTTP server, which is anembedded subcomponent of the Cisco IOS software The HTTP server ... authentication mechanisms should be used if possible to simplify keeping track of passwords Cisco IOS For line access in Cisco IOS devices (which can be a console, a vty, or an aux port), you can set a simplepassword,

Ngày tải lên: 14/08/2014, 14:20

... Examples Cisco IOS Firewall Content-Based Access Control Sample IOS Firewall Configuration PIX Firewall with Screening IOS Router PIX Fundamentals Summary 9 Securing Internet Access http://wwwin.cisco.com/cpress/cc/td/cpress/internl/dns/ch09.htm ... The following sections examine how Cisco IOS routers provide filtering; most other vendors' devices have similar capabilities. Cisco IOS Filters The Cisco IOS software has an extended filtering ... .cisco. com/cpress/cc/td/cpress/internl/dns/ch09.htm (8 of 56) [02/02/2001 17.33.08] Securing... Frame Relay to Internet no ip address ip broadcast-address 0.0.0.0 http://wwwin .cisco. com/cpress/cc/td/cpress/internl/dns/ch09.htm

Ngày tải lên: 14/08/2014, 14:20

... syslogaccess-list 111 deny ip any any log Trang 2PIX Firewall with Screening IOS RouterIn this scenario, the Cisco IOS router is used as the screening router to provide basic filtering of trafficcoming ... provides the more robust firewall features (see Figure 9-10) Figure 9-10: Sample Cisco PIX Firewall with Cisco IOS Screening Router The sample configurations in Listings 9-2 and 9-3 depict the ... router and firewall) access is through TACACS+ authentication and Listing 9-2 Configuration of Cisco IOS Screening Router ! ensure all vty login, line, and username passwords are encrypted ! with

Ngày tải lên: 14/08/2014, 14:20

... of Cisco IOS Release 12.0, the only client application softwareavailable is the Glacier Bay application server software for PCs Listing 10-5 shows a complete configuration file for a Cisco IOS ... 2359>] } } The Lock-and-Key Feature Lock-and-key is a traffic-filtering security feature in Cisco IOS devices that dynamically filters IP protocol traffic It can be used to authorize temporary ... for lock-and-key The user connects using the virtual terminal port on the router Step 2 The Cisco IOS software receives the Telnet packet, opens a Telnet session, prompts for a password, and

Ngày tải lên: 14/08/2014, 14:20

... to the home gateway (Denver-gw) ● Home Gateway Router Configuration: hostname Denver-gw ! ! In IOS firewall IPsec images "no service tcp & no udp small servers" is the ! default so ... traps public Trang 20! Configure NTP so that all the routers have the same time in the network.! In IOS firewall IPsec images "no service tcp & no udp small servers" is the ! default Turn

Ngày tải lên: 14/08/2014, 14:20

... Cisco IOS software: http://www.cisco.com/go/iosfirewall/ CiscoSecure, an access control server incorporating RADIUS and TACACS+ functionality: http://www.cisco.com/go/ciscosecure/ Cisco IOS 12.0 ... http://www.cisco.com/go/netranger/ NetSonar, a vulnerability detection and reporting system: http://www.cisco.com/go/netsonar/ Cisco IOS Firewall Feature Set, integrated firewall functionality for Cisco ... Sources of Technical Information http://wwwin.cisco.com/cpress/cc/td/cpress/internl/dns/appa.htm (1 of 4) [02/02/2001 17.33.19] Press, 1995. Firewall Books Chapman, D. Brent and Elizabeth D. Zwicky.

Ngày tải lên: 14/08/2014, 14:20

... Appendix C, Cisco IOS to IOS XR Security Transition”: Provides a one-for-one mapping between common IOS 12 .0S security- related configuration commands and their respective IOS XR counterparts ... Post-Mortem Analysis 602 Cisco Product Security 602 Cisco Security Vulnerability Policy 603 Cisco Computer and Network Security 603 Cisco Safety and Security 603 Cisco IPS Signature ... Header Format 547 MPLS Protocol Header Further Reading 554 5 51 543 xvii Appendix C Cisco IOS to IOS XR Security Transition 557 Data Plane Security Commands 558 Control Plane Security

Ngày tải lên: 14/08/2014, 18:20

... Further details are outside the scope of this book The last key feature for CRS-1 is the use of the new Cisco IOS XR Software Traditional Cisco IOS is a modular, cooperative, multitasking operating ... 61NOTE The Cisco 12000 GSR is also able to run Cisco IOS XR Software with appropriate route processor and line card hardware installed It is worth noting that the CLI is different for IOS XR as compared ... more detail the significant Cisco router architectures One such reference, Inside Cisco IOS Software Architecture, provides excellent coverage of the Cisco 7500 and Cisco 12000 GSR A list of suggested

Ngày tải lên: 14/08/2014, 18:20

... transmit and drop rates The Cisco QoS MIB CISCO-CLASS-BASED-QOS-MIB provides the primary mechanisms for MQC-based policy monitoring via SNMP The implementation of this MIB is IOS release-dependent ... techniques adds significantly to the management burden Cisco Catalyst 6500/Cisco 7600 CoPP Implementation As previously stated, the Catalyst 6500 and Cisco 7600 series platforms (PFC3 and DFC3) provide ... policy is to deny fragments to the IOS process level on the RP, and fragments are included in the CoPP-undesirable class, this class must be defined Example 5-16 Sample IOS CoPP Policy Configuration

Ngày tải lên: 14/08/2014, 18:20

... or a 41 Voice over IP Fundamentals Copyright Information Copyright© 2000 Cisco Press Cisco Press logo is a trademark of Cisco Systems, Inc. Published by: Cisco Press 201 West 103rd Street ... contained in this book or from the use of the discs or programs that may accompany it. The opinions expressed in this book belong to the authors and are not necessarily those of Cisco Systems, ... Acknowledgments All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Cisco Press or Cisco Systems, Inc., cannot attest to the...

Ngày tải lên: 14/09/2012, 11:42