wide area network ppt

Ngày tải lên: 14/03/2014, 22:20

... and Wide Area Networks OL-14760-01 Design Considerations ã Use of EIGRP stub areas eliminates queries to spoke routers. ã OSPF must periodically synchronize router databases within an area, ... generating link up/down SNMP traps and syslog messages for network management systems. 28 Ethernet Access for Next Generation Metro and Wide Area Networks OL-14760-01 Design Considerations Design ... Edge Provider Edge Customer Edge (CE) User Network Interface (UNI) Customer Premise Equipment (CPE) 34 Ethernet Access for Next Generation Metro and Wide Area Networks OL-14760-01 Scalability Considerations Table...

Ngày tải lên: 21/12/2013, 06:15

Ngày tải lên: 04/04/2014, 07:36

Ngày tải lên: 16/07/2014, 21:13

... supports the storage area network (SAN) fabric and connectivity between servers and other storage devices, such as storage arrays and tape drives. Front End Network The front-end network contains ... 95134-1706 USA Enterprise Data Center Wide Area Application Services (WAAS) Design Guide This document offers guidelines and best practices for implementing Wide Area Application Services (WAAS) ... End Network 12 Core Layer 13 Aggregation Layer 13 Access Layer 13 Back-End Network 14 SAN Core Layer 14 SAN Edge Layer 15 WAN Edge Component 15 19 Enterprise Data Center Wide Area...

Ngày tải lên: 10/12/2013, 16:16

... Chapter11 Wide Area Networking Protocols Introduction to Wide Area Networks WAN 是覆盖地理范围相对较为广阔的数据通信网络,它一般是利用公共载体(比如电信公司) 提供的设备进行传输.WAN 技术运行在 OSI 的最下 3 层 广域网 (Wide Area Network, WAN)的一些术语 ... 使用网络控制协议 (Network Control Protocol,NCP)来验证上层的 OSI 参考模型的网络层协议 6.异步传输模式(Asynchronous Transfer Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制 定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传输,ATM 网络的 面向连接的 Cabling the Wide ... Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制 定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传输,ATM 网络的 面向连接的 Cabling the Wide Area Network Cisco 的串行连接支持几乎所有类型的 WAN 服务.HDLC,PPP 和帧中继使用相同的物理层定 义的接口,但是和 ISDN 的不一样.我们先来回顾下 router...

Ngày tải lên: 21/12/2013, 05:18

Ngày tải lên: 24/01/2014, 15:20

Ngày tải lên: 19/06/2014, 08:20

... 8-PSK CDMA2000 1xRTT ã Operates on two 1.25 MHz -wide frequency channels ã Supports 144 Kbps packet data transmission 2 Objectives ã Describe wireless wide area networks (WWANs) and how they are used ã Describe ... 16 2.5 Generation Cellular Telephony (continued) ã 2.5G network technologies General Packet Radio Service (GPRS) ã For TDMA or GSM 2G networks ã Uses eight time slots in a 200 KHz spectrum and ... Kbps for a slowly moving user – 2 Mbps for a stationary user ã 3G network technologies CDMA2000 1xEVDO ã For 2.5G CDMA2000 1xRTT networks 25 Binary Runtime Environment for Wireless (BREW) ã BREW...

Ngày tải lên: 13/09/2012, 10:52

... cấu hình native VLAN thì phải cấu hình ở giao diện vật lý. CHƯƠNG II LÝ THUYẾT VỀ MẠNG WAN (WIDE AREA NETWORK) I. KHÁI NIỆM : Là mạng được thiết lập để liên kết các máy tính của hai hay nhiều khu ... trí rất xa nhau, ví dụ như những quốc gia khác nhau, thì khi đó ta có mạng diện rộng WAN (Wide Area Network) Trang NGUYỄN ĐÌNH CÔNG – 36CLTH 2929 V./. CÁC CÔNG NGHỆ MẠNG LAN : 5.1. CÔNG NGHỆ ... nhất được nhận dạng bởi thiết bị hai đầu. 5.4 CÔNG NGHỆ VLAN: VLAN là viết tắt của Virtual Local Area Network hay còn gọi là mạng LAN ảo. Một VLAN được định nghĩa là một nhóm logic các thiết bị...

Ngày tải lên: 25/04/2013, 11:58

... hết sức quan trọng. Giải pháp mạng WAN ( Wide Area Network - Mạng diện rộng ) được áp dụng. Chúng có nhiệm vụ kết hợp tất cả các mạng LAN (Local Area Network ) ở xa lại thành một mạng duy nhất ... có hiệu quả.Theo mô hình OSI (Open System Interconnect ) thì chức năng của router thuộc mức 3 ( Network ), cung cấp thiết bị với thông tin chứa trong các header của giao thức, giúp cho việc xử...

Ngày tải lên: 27/04/2013, 22:04

Ngày tải lên: 01/09/2013, 10:30

... Telephony (SRST). ã Application networking servicesWAE network module (NME-WAE-302, NME-WAE-502). ã Network management servicesThe Network Access Module (NM-NAM) offers network monitoring services ... the network path) or destination IP (service group 62 in the network path). The allocated hash buckets are synchronized within the service group, and the hash 49 Enterprise Branch Wide Area ... NME-WAE-302 NME-WAE-502 Network module WAAS network modules cannot be configured as a WAAS CM. Supported on the 2800 and 3800 ISR routers. Network management NM-NAM Network module Table 4...

Ngày tải lên: 10/12/2013, 16:15

... responsive to the market A successful fibre network requires a strong fibre cable management system. The management of the fibre cables has a direct impact on ã Network reliability ã Performance ã Cost Fibre ... Performance ã Cost Fibre cable management also directly affects ã Network maintenance and operations ã Ability to reconfigure and expand your network ã Ability to restore service ã Ability to implement ... proper cable management, your fibre network can deliver its full competitive advantage. As competition continues to intensify, the hallmarks of successful global networks are: ã Flexibility ã Reliability ã...

Ngày tải lên: 10/12/2013, 17:15

... 1 - 4 CCNA 1: Networking Basics v 3.0 - Lab 5.1.13b Copyright  2003, Cisco Systems, Inc. Lab 5.1.13b Building a Switch-based Network Objective ã Create a simple network with two ... the following: ã Click on Start > Control Panel and then click the Network Connection icon. ã Select the Local Area Network Connection and click on Change settings of this connection. See ... 4 - 4 CCNA 1: Networking Basics v 3.0 - Lab 5.1.13b Copyright  2003, Cisco Systems, Inc. Step 6 Verify that...

Ngày tải lên: 11/12/2013, 14:15

... www.cisco.com Keep All Graphics Inside This Box econ_0481_09_010 .ppt QoS Review QoS Review IP Traffic VoIP HTTP FTP Packets are: Marked (colored) at ingress at network edge IP Precedence / Differentiated Services ... be used to police precedence bits set externally to the network either by the customer or by a downstream service provider. Thus the network can decide to either accept or override external ... 49 â 2000, Cisco Systems, Inc. www.cisco.com Keep All Graphics Inside This Box econ_0481_09_010 .ppt PQ-WFQ (IP RTP Priority) PQ-WFQ (IP RTP Priority) WFQ Interface 3 33 3 2 2 4 3 2 1 1 VV 4 44...

Ngày tải lên: 11/12/2013, 14:15

... 264 Windows NT Authentication 265 Other Network Traffic 266 SMTP (Port 25) 266 HTTP (Port 80) 266 Common Implementations 267 Network Associates Sniffer Pro 267 NT Network Monitor 268 TCPDump 269 dsniff ... (SSH) 279 Switching 281 Detection 281 Local Detection 281 Network Detection 282 DNS Lookups 282 Latency 282 Driver Bugs 282 AntiSniff 283 Network Monitor 283 Summary 283 Additional Resources 283 FAQs ... themselves. There even seems to be the belief in var- ious law enforcement agencies that if a local area network is the equivalent to a local neighborhood, and the problem is that there are no locks...

Ngày tải lên: 17/12/2013, 04:15

... chapter. Different class networks require different numbers of bits for the network or host portion, and each network class provides different numbers of hosts as well as networks.The Class A address ... range provides 126 networks and 16,777,216 hosts per network. The Class A address, or /8, scheme is best used in a network where a large number of hosts and a small number of networks are required.The www.syngress.com Figure ... Force, deploying wide- area network solutions to peacekeeping forces in Kuwait,Yugoslavia, and other international loca- tions. His latest projects involve Voice-over-ATM,Virtual Private Network solutions,...

Ngày tải lên: 17/12/2013, 10:15

Ngày tải lên: 18/12/2013, 12:32