chapter 7  border gateway protocol and enterprise routing policy

... among routers within the AS and by redistributing BGP routing information to Interior Gateway Protocols (IGPs) that run within the AS, such as Interior Gateway Routing Protocol (IGRP), Intermediate ... Configurations Summary Using the Border Gateway Protocol for Interdomain Routing The Border Gateway Protocol (BGP), defined in RFC 1771, provides loop-free interdomain routing between autonomous systems ... purpose of exchanging routing information are known as peers or neighbors In Figure 12-1, Routers A and B are BGP peers, as are Routers B and C, and Routers C and D The routing information consists...

Ngày tải lên: 16/11/2014, 19:49

... AS_PATH Quá trình tóm tắt tuyến Thuộc tính AS_PATH ATTRIBUTE Thuộc tính AUTONOMOUS SYSTEM BORDER GATEWAY PROTOCOL Vùng tự trị Giao thức BGP COMMUNITY CONFEDERATION Thuộc tính COMMUNITY Sự phân chia ... tuyến với gọi giao thức định tuyến Đối tượng nghiên cứu đề tài giao thức định tuyến BGP (Border Gateway Protocol) – giao thức sử dụng rộng rãi mạng Internet Mục đích đề tài tìm hiểu hoạt động giao ... CHƯƠNG GIỚI THIỆU TỔNG QUAN VỀ GIAO THỨC BGP 1.1 Giới thiệu BGP, viết tắt từ tiếng Anh Border Gateway Protocol, giao thức định tuyến nòng cốt Internet Nó hoạt động dựa việc cập nhật bảng chứa địa...

Ngày tải lên: 14/11/2012, 16:33

... the DTFT of periodic and finite-length sequences Example 7.1: If the signals fx…n†g are real valued and N is an even number, we can show that X …0† and X …N=2† are real values and can be computed ... advantages, and disadvantages Each FFT has different strengths and makes different tradeoffs between code complexity, memory usage, and computation requirements The FFT algorithm introduced by Cooley and ... x(0), x(4), x(2), and x(6) because x(0), x(2), x(4), and x(6) are considered to be the 0th, 1st, 2nd, and 3rd inputs in a 4-point DFT Similarly, the order of x(1), x(5), x(3), and x(7) is used...

Ngày tải lên: 28/10/2013, 05:15

Ngày tải lên: 17/02/2014, 15:34

... Command … commandtype, commandext SqlDataAdapter1.SelectCommand=cmd Lesson 3: Creating DataAdapter Objects DataAdapter Commands SelectCommand InserCommand UpdateCommand DeleteCommand Build commands ... = InsertCommand SqlDataAdapter1.UpdateCommand = UpdateCommand SqlDataAdapter1.DeleteCommand = DeleteCommand Lesson 3: Creating DataAdapter Objects DataAdapter Commands: Using commandBuilder Select ... UpdateCommand As New SqlCommand("Valid SQL Update statement", NorthwindConnection) 'Dim DeleteCommand As New SqlCommand("Valid SQL Delete statement", NorthwindConnection) SqlDataAdapter1.InsertCommand...

Ngày tải lên: 13/05/2014, 12:19

... 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 ... Threats • Denial of Service 24 Wireless Security Protocols 25 Wireless Security Protocols 26 Wireless Security Protocols 27 Wireless Security Protocols • Encryption 28 Securing a Wireless LAN ... PSK-Personal, PSK2Personal, PSK -Enterprise, PSK2 -Enterprise, RADIUS, or WEP 35 Mode Parameters • Enterprise modes are not configured in this chapter 36 Configure Encryption and Key 37 Configure a wireless...

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/08/2014, 12:23

... attribute Những kiểu mã thuộc tính - Origin (Well-known mandatory, Type code 1) - AS-path (Well-known mandatory, Type code 2) - Next-hop (Well-known mandatory, Type code 3) - Multi-exit discriminator ... Message Handling   Adj-RIB-In lưu trữ tất đường mà UPDATE message quảng bá Nếu UPDATE message chứa giá trị trường Withdrawn đường đến đích trước ,sẽ bị loại khỏi Adj-RIB-In UPDATE Message Handling...

Ngày tải lên: 30/10/2015, 17:59

... Routers hệ thống mạng chia sẻ liệu routing (routing information) Đó Protocol phổ biến TCP/IP Routing Protocol, số lượng Routing Protocol khoảng protocol bật Mỗi Routing Protocol có tính ưu, nhược điểm ... thuộc vào bạn sử dụng RoutingProtocol Trong viết trình bày với bạn cách tổng quan v Routing Protocol Khi nói Routing Protocol trước hết phải hiểu vai trò hệ thống mạng Routing Protocol nguyên tắc ... thức thường dùng RIP (Routing Information Protocol) , IGRP (Interior Gateway Routing Protocol) , OSPF (Open Shortest Path First), EIGRP (Enhanced Interior gateway routing protocol) 3.2.4 Định tuyến...

Ngày tải lên: 05/11/2015, 16:45

... lựa chọn routing Router sau gửi tất routes có Loc-RIB đến chế BGp speaker nhận routes 19 BGP route gửi đến chế inbound policy Cơ chế inbound policy ĩilter hay chép routes tùy thuộc vào policy set ... Loc-RIB Router sử dụng route để đưa định BGP routing BGp routes đưa đến chế outbound policy Cơ chế outbound policy filter chép routes tùy thuộc vào policy Các route bị ĩilter drop Các routes lại ... vảo bgp: Có cách: Bạn redistribute IGP vào BGP Redistribute trình đưa route học từ routing protocol vào routing protocol khác Tự cấu hình routes cho BGP đê quảng bá Tùy số route mà bạn muốn thêm...

Ngày tải lên: 07/01/2016, 17:40

... one routing source and sending those routes to another routing source Routes can only be redistributed into a dynamic routing protocol Dynamic routing protocol to a different dynamic routing protocol ... classful routing protocol (RIPv1) and a classless routing protocol (RIPv2) RIPv1 and RIPv2 RIPv2 is actually an enhancement of RIPv1’s features and extensions rather than an entirely new protocol ... Configuring RIPv2 Enabling and Verifying RIPv2 Auto-Summary and RIPv2 Disabling Auto-Summary in RIPv2 Verifying RIPv2 Updates VLSM and CIDR RIPv2 and VLSM RIPv2 and CIDR Verifying and Troubleshooting...

Ngày tải lên: 09/03/2014, 13:20

... limitations o RIPv1’s cou e and describe e a o s of s limitations Apply the basic Routing Information Protocol Version (RIPv2) configuration commands and evaluate RIPv2 classless routing updates Analyze ... output to see RIPv2 support for VLSM and CIDR Identify RIPv2 verification commands and common RIPv2 issues Configure, verify, and troubleshoot RIPv2 in “handson” labs ITE PC v4.0 Chapter © 2007 ... good to authenticate routing information y g g -Prevent the possibility of accepting invalid routing updates -Contents of routing updates are encrypted g p yp Types of routing protocols that can...

Ngày tải lên: 05/07/2014, 03:20

... equations of motion Fig A standard differential winch consists of two drums, D1 and D , and a cable or chain which is anchored on both ends and wound clockwise around one drum and counterclockwise around ... ROLLER CHAINS AND THEIR ADAPTATIONS Various roller, side-plate and pin configurations for power transmissions, conveying, and elevating STANDARD ROLLER CHAIN—FOR POWER TRANSMISSION AND CONVEYING ... generating (A) modified cycloidal curves, and (B) basic cycloidal curves true cycloidal This is done by a second steel-band arrangement As carriage I moves, bands and cause the eccentric to rotate Because...

Ngày tải lên: 22/10/2012, 14:26

... endpoint routing inter zone calls to service is also done using the service prefix, but the service prefix will now contain the zone prefix for MCUs, and use hopoffs for gateways • routing calls ... four PSTN to H.323 routing methods will be defined, and then applied to a single zone and multi zone enviroment figure 7-1 illustrates a multi zone network with video terminals and services in each ... with video terminals and services in each zone table 7-1 shows the dial strings for the four intra and inter zone call typer Below dial strings for the scenarios in figure 7-1 are listed H.323 endpoint...

Ngày tải lên: 24/04/2013, 17:02

... hold the baffles in place and prevent vibration and excessive tube movement Nozzles and Accessory Parts Shell -and- tube inlet and outlet nozzles are sized for pressure drop and velocity considerations ... shell and tube, reboiler, plate and frame, air cooled, and spiral The shell -and- tube heat exchanger is the most common in the process industry Shell -and- tube heat exchangers are designed to handle ... between them and how each applies to heat exchangers Which is (are) the most critical and why? Draw and label a hairpin heat exchanger Draw and label a shell -and- tube heat exchanger Draw and label...

Ngày tải lên: 20/08/2013, 10:39

... completed, logoff, by typing exit, and turn all the devices off Then remove and store the cables and adapter 4-4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright ... Record the states of the first 12 interfaces and ports of each switch Switch A Port # Switch B 10 11 12 2-4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright  2003, ... brief 3-4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright  2003, Cisco Systems, Inc c What changes have taken place in the command output? On Switch_A? ...

Ngày tải lên: 11/12/2013, 14:15

... force F is applied to an object of mass m it can accelerate it and increase its speed v and kinetic energy K Similarly F can decelerate m and decrease its kinetic energy We account for these changes ... curve and the x-axis, between xi and x f (shaded blue in fig.d) xf W= ∫ F ( x)dx xi (7-8) The Spring Force: Fig.a shows a spring in its relaxed state In fig.b we pull one end of the spring and ... a force F on our hand in the opposite direction In fig.c we push one end of the spring and compress it by an amount d Again the spring resists by exerting a force F on our hand in the opposite...

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 14/12/2013, 12:15

... services Grounds and landscaping Total repairs and maintenance Salaries and payroll Office Maintenance Payroll taxes Total salaries and payroll Utilities Electric Gas Water and sewer Trash Telephone ... rent roll and a comparison of the subject to competing properties, (2) project income loss from vacancy and collections based on the subject’s occupancy history and upon supply and demand rela- ... actually be underpriced and really be worth $1 million The bottom line is that you need to know and understand the difference for yourself and not rely solely on what the broker and seller are telling...

Ngày tải lên: 14/12/2013, 19:15