Mỗi thiết bị trên mạng có dùng bộ giao thức TCP/IP đều phải có một địa chỉ IP hợp lệ, phân biệt. Để hỗ trợ cho vấn đề theo dõi và cấp phát các địa chỉ IP được chính xác, tổ chức IETF (Internet Engineering Task Force) đã phát triển ra giao thức DHCP (Dynamic Host Configuration Protocol). - Giao thức này được mô tả trong các RFC 1533, 1534, 1541 và 1542.
This software configuration guide provides instructions for using the Cisco command-line interface (CLI) to configure features of the following Cisco 1800 series integrated services fixed-configuration routers: •Cisco 1801, Cisco 1802, and Cisco 1803 DSL Access Routers •Cisco 1811 and Cisco 1812 Ethernet Access Routers
This preface describes the intended audience, the organization of this guide, and the text and command conventions used throughout the guide. The preface includes the following topics:...
This chapter shows you how to configure Voice over IP (VoIP) on the Cisco 3600 series. For a
deion of the commands used to configure Voice over IP, refer to the “Voice-Related
Commands” chapter in the Voice, Video, and Home Applications Command Reference.
VoIP enables a Cisco 3600 series router to carry voice traffic (for example, telephone calls and faxes)
over an IP network.
Prepare for Exam 70-410—and help demonstrate your real-world mastery of Windows Server 2012 core infrastructure services. Exam 70-410 is one of three required exams for the new MCSA: Windows Server 2008 certification from Microsoft.
Organized by exam objectives, and featuring challenging, what-if scenarios, this Exam Ref focuses on the critical skills and knowledge needed to implement and configure Windows Server 2012 core services in an enterprise environment.
This chapter provides information about configuring Layer 2 features on the Cisco 7600 Series Ethernet
Services Plus (ES+) and Ethernet Services Plus T (ES+T) line card on the Cisco 7600 series router.
Describe the components and operations of basic wireless LAN topologies. Describe the components and operations of basic wireless LAN security. Configure and verify basic wireless LAN access. Configure and troubleshoot wireless client access.
Summarize the operation of Ethernet as defined for 100/1000 Mbps LANs in the IEEE 802.3 standard. Explain the functions that enable a switch to forward Ethernet frames in a LAN. Configure a switch for operation in a network designed to support voice, video, and data transmissions. Configure basic security on a switch that will operate in a network designed to support voice, video, and data transmissions.
This chapter describes how to log into the CSS and configure an IP address,
subnet mask, and default route. Included in this chapter is a description of the
system software. It also contains information on using the Offline Diagnostic
Monitor (Offline DM) menu. Information in this chapter applies to all CSS
models except where noted.
CSS software is available in a Standard or Enhanced feature set.
This chapter describes how to configure, verify, maintain, and troubleshoot a Virtual Private Network
(VPN). It includes the following main sections:
• VPN Technology Overview
• Prerequisites for VPNs
• Configuring VPN
• Verifying VPN Sessions
• Monitoring and Maintaining VPNs
• Troubleshooting VPNs
• VPN Configuration Examples
For a complete description of the commands mentioned in this chapter, see the Cisco IOS Dial Services
Microsoft System Center Configuration Manager 2007 |Systems Management Server (SMS) | RETAIL | 924 Mb The next release of Systems Management Server (SMS), entitled System Center Configuration Manager 2007
[ Team LiB ] Configuring Your Safe Senders List The Safe Senders list is part of the Junk E-mail filters. If you choose to allow external content from addresses listed in your Safe Senders list, you need to check the configuration of the list. You can add addresses and domains to the Safe Senders list directly from an email message. Click on the InfoBar or right-click in any image placeholder, and select Add Sender to Safe Senders List or Add the Domain @[domain-name] to Safe Senders List. The sender's fully qualified domain name is listed in the menu selection, as...
Enterprise Manager is Oracle’s single, integrated solution for administering and
monitoring targets that are based on the Oracle technology stack. See "Certified
Enterprise Manager Targets" for a list of Oracle targets and components that Enterprise
Manager can manage. This guide is written for Oracle and system administrators who want to install and
configure Oracle Enterprise Manager. You should already be familiar with Oracle and
the administrative tasks you want to perform.
"Secure Router Configuration - IOS 15.1" aims at providing network security engineers with the knowledge and skills needed to secure Cisco IOS router based networks. Readers of this book will be able to secure the network environment using existing Cisco IOS Software features, as well as install and configure components of the Cisco IOS Software, such as zone-based policy firewall and Cisco IOS Intrusion Prevention System (IPS).
Configuring NetFilter The NetFilter packet filter is configured through the iptables command utility. Like its predecessor, ipchains, iptables enables firewall administrators to control a wide variety of features in the NetFilter packet filter