managing cisco ios devices

... 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—2-5 Managing Cisco IOS Images © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—2-4 Cisco IOS File System and Devices © 2002, Cisco ... display dynamic data. © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—2-2© 2002, Cisco Systems, Inc. All rights reserved. 2 Managing Cisco IOS Devices © 2002, Cisco Systems, Inc. All rights ... process to minimize any potentially adverse impact on Cisco devices © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—2-11 Cisco IOS copy Command Example interface s0 ip address 10.1.1.1...

Ngày tải lên: 08/07/2013, 01:27

... prompts. Cisco IOS User Interface Functions © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—1-6 • Cisco IOS software delivers network services and enables networked applications. Cisco IOS ... commands. Cisco IOS Software EXEC Mode © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—1-4© 2002, Cisco Systems, Inc. All rights reserved. 4 Operating Cisco IOS Software © 2002, Cisco ... that are external to the device. • Cisco IOS software uses a CLI as its traditional console environment. While Cisco IOS software is a core technology, Cisco IOS software operation details vary...

Ngày tải lên: 08/07/2013, 01:27

... from outside hosts, a conduit command is required. Answer: D Q.81 Which protocol is used by Cisco IOS Cryptosystem to securely exchange encryption keys for IPSEC? A. Diffie-Hellman B. Data ... tools is used to counter an unauthorized access attempt? (Choose three) A. Encryption A. Bb. Cisco IOS Lock and Key feature B. Terminal Access Controller Control System (TACACS) C. Challenge ... database. D. It re-initializes every peer’s secret key. Answer: C Q.16 After the installation of Cisco Secure VPN Client is complete, you need either __________ for authentication A. A user ID...

Ngày tải lên: 10/12/2013, 14:16

... Chapter4 Introduction to the Cisco IOS The Cisco Router User Interface Cisco Internetwork Operation System (IOS) 是 Cisco 的 routers 和 switches 的内核 Cisco Router IOS IOS 的一些功能: 1.运载网络协议和功能 ... 当启动 1 个 router 的时候,大致将分为以下几个阶段: 1.开机自检(power-on self-test,POST) 2.如果 1 正常, 如果 IOS 存在的话,将从它的闪存(flash memory)查找和加载 IOS 到 RAM 中 (2500 系列不加载 RAM 中,直接从闪存中运行).闪存是 1 种电子可擦除只读存储器 (electronically erasable ... Set Passwords: 有 5 种密码用于加密你的 Cisco router: 1.控制口(console) 2.辅助口(AUX) 3.VTY 4.enable password 5.enable secret Enable Passwords 配置 VTY 密码:如果你的 IOS 不是企业版(Enterprise edition),默认你只能有...

Ngày tải lên: 10/12/2013, 16:15

... port to use. Cisco IOS Access lists Page 16 So far, I have focused only on policy sets, so you might be wondering how Cisco access lists come into the picture. The function of Cisco access ... Cisco IOS Access lists Page 34 The Cisco configuration commands to do the equivalent are: interface Ethernet 0 ... and use access lists. Cisco IOS Access lists Page 5 Preface Building and maintaining a network involves more than just making sure that packets can flow between devices on the network....

Ngày tải lên: 11/12/2013, 00:15

... Finally, storage area networks (SAN) provide a network of storage devices. ■ Backup devices: A network can also include backup devices, such as tape drives, that provide a central means to save ... wiring the physical devices, while a logical topology describes how information flows to devices within the networks. ■ In a physical bus topology, a single cable connects all the devices together. ■ In ... maintains multiple connections to all other devices, without having all other devices fully meshed. This method trades off the cost of meshing all devices by allowing the network designer to...

Ngày tải lên: 13/12/2013, 05:15

... of Managing Cisco Router Startup and Configuration 442 Managing Cisco Devices 442 Cisco IOS File System and Devices 443 Managing Cisco IOS Images 445 Managing Device Configuration Files 448 Cisco ... by a certified Cisco Systems instructor. NOTE The operating system used in this book is Cisco IOS Software Release 12.4 for the routers, and Cisco Catalyst 2960 is based on Cisco IOS Software ... Understanding Cisco Router Security 308 Using the Cisco SDM 309 Cisco SDM Overview 309 Configuring Your Router to Support Cisco SDM 311 Start Cisco SDM 312 More Link 314 Configuration Overview 314 Cisco...

Ngày tải lên: 13/12/2013, 05:15

... (Choose four) A. NAS can access multiple Cisco secure ACS for NT servers. B. Cisco Secure ACS for NT servers can only log on to external servers. C. The Cisco secure ACS for NT server supports ... is supported by the Cisco secure ACS for NT servers. E. The service used for authentication and authorization on a Cisco secure ACS for NT server is called CSAdmin. F. The Cisco Secure ACS for ... - 1 - 640-442 Managing Cisco Network Security (MCNS) Version 1.0 640 - 442 Leading the way in IT testing...

Ngày tải lên: 21/12/2013, 06:19

... activities. Cisco IOS CLI Functions Cisco IOS Software uses a CLI as its traditional console environment to enter commands. This section reviews the functions of the Cisco IOS CLI. Although Cisco IOS ... xix Chapter 1 Review of Cisco IOS for Routers and Switches 3 Chapter Objectives 3 Cisco IOS CLI Functions 4 Configuration Modes of Cisco IOS Software 4 Help Facilities of the Cisco IOS CLI 6 Commands ... in Cisco IOS Software. Table 1-2 outlines the Cisco IOS CLI commands used on both Cisco routers and switches to create a basic configuration in a small network environment. Table 1-2 Cisco IOS...

Ngày tải lên: 22/12/2013, 16:15

... 35 Kerberos 36 Cisco IP Security Hardware and Software 37 Cisco Secure PIX Firewall 37 Cisco Secure Integrated Software 40 Cisco Secure Integrated VPN Software 40 Cisco Secure VPN Client 41 Cisco Secure ... (NetSonar) 425 Cisco Secure NetRanger 425 Cisco Secure Intrusion Detection Software 426 Network Security Management 426 Cisco PIX Firewall Manager 427 CiscoWorks 2000 ACL Manager 427 Cisco Secure ... from Cisco Chapter 2: Traffic Filtering on the Cisco IOS focuses on access control through traffic filtering. We cover some of the different traffic filtering mechanisms available on the Cisco IOS...

Ngày tải lên: 22/12/2013, 20:17

... emer- gency. This information will save valuable time in a crisis. Cisco makes many products designed for high availability. These devices are characterized by long mean time between failure (MTBF) ... hot-swappable cards or modules. For example, devices that provide 99.999 percent availability would have about five minutes of downtime per year. Availability of individual devices can be enhanced by their ... protect mission-critical equip- ment against power outages. Although not covered in this book, Cisco IOS includes reliability fea- tures such as: ■ Hot Standby Router Protocol (HSRP) ■ Simple Server...

Ngày tải lên: 19/01/2014, 18:20

... gì? Chúng ta hãy trả lời một số câu hỏi thường gặp nhất và khám phá cấu hình cơ bản của các Cisco IOS switch. 1, VLAN nào là mặc định? VLAN mặc định trên tất cả các switch là VLAN 1. Tất ... Switch(config)# ip default-gateway 10.92.103.254 4, Cách tăng tốc các cổng switch? Switch Cisco có thể thực hiện nhiều công việc khác bên cạnh việc kết nối máy tính thông thường vào mạng. ... gigabitEthernet 1/0/3 Switch(config-if)# speed 100 Switch(config-if)# duplex half Kết luận Switch Cisco rất mạnh, và có rất nhiều điều mà bạn cần phải tìm hiểu. Tuy nhiên, hiểu được những đặc tính...

Ngày tải lên: 21/01/2014, 04:20

... 35 Kerberos 36 Cisco IP Security Hardware and Software 37 Cisco Secure PIX Firewall 37 Cisco Secure Integrated Software 40 Cisco Secure Integrated VPN Software 40 Cisco Secure VPN Client 41 Cisco Secure ... (NetSonar) 425 Cisco Secure NetRanger 425 Cisco Secure Intrusion Detection Software 426 Network Security Management 426 Cisco PIX Firewall Manager 427 CiscoWorks 2000 ACL Manager 427 Cisco Secure ... 41 Cisco Secure Scanner 42 Cisco Secure Intrusion Detection System 42 Cisco Secure Policy Manager 43 Cisco Secure Consulting Services 43 Summary 44 FAQs 45 Chapter 2 Traffic Filtering on the Cisco...

Ngày tải lên: 24/01/2014, 10:20

... TCP/IP 45 Cisco IP Security Hardware and Software 46 The Cisco Secure PIX Firewall 46 Cisco Secure Integrated Software 49 Cisco Secure Integrated VPN Software 50 The Cisco Secure VPN Client 50 Cisco ... infra- structure devices. Many Cisco devices will support SSH with a modern image. Damage & Defense… 218_MCNS2e_01.qxd 4/25/02 11:53 AM Page 3 1 YEAR UPGRADE BUYER PROTECTION PLAN Managing Eric ... Client 50 Cisco Secure Access Control Server 50 Cisco Secure Scanner 51 Cisco Secure Intrusion Detection System 51 Cisco Secure Policy Manager 52 Cisco Secure Consulting Services 53 Summary 54 Solutions...

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