ctttac basic ip routing concepts

... TAC Tools for Routing Protocol Technologies Related Information • IP Routing Top Issues • More IP Routing Technical Tips • EIGRP Technical Tips • More Routing Protocols Technical Tips All contents ... examine the interaction between the routing protocols and the routing table to understand how the routing table is built Building the Routing Table As each routing process receives updates and ... has a longer prefix length IP Classless Where the ip classless configuration command falls within the routing and forwarding processes is often confusing In reality, IP classless only affects...

Ngày tải lên: 13/11/2012, 11:22

... "Understanding IP Routing" — This chapter provides an overview of IP routing protocols with focus on the following topics: - IP addressing concepts - Static and dynamic routes - Dynamic routing - Routing ... Problem: RIP-2 Routing Table Is Huge— Cause: ip summary-address Is Not Used Troubleshooting RIP Redistribution Problems Troubleshooting Dial-on-Demand Routing Issues in RIP Problem: RIP Broadcast ... This Book Command Syntax Conventions Chapter Understanding IP Routing IP Addressing Concepts Static and Dynamic Routes Dynamic Routing Routing Protocol Administrative Distance Fast Forwarding in...

Ngày tải lên: 16/10/2013, 12:15

... Systems, Inc IP Multicasting Concepts 1-3 Sending to Multiple Destinations • Pure unicast: Send the same copy of data multiple times • Web technologies: webcasting - “push” the same data to multiple ... Session Description Protocol (SDP) n VAT: Audio Conferencing allows multiple participants to share audio interactively VAT is based on the RTP n VIC: Video Conferencing allows multiple participants ... groupings List IP multicast address assignment methods that exist or are in development IP Multicast Technology Copyright © 2000, Cisco Systems, Inc IP Multicast Basic Addressing • IP group addresses...

Ngày tải lên: 04/11/2013, 16:15

... _ ip directed-broadcast int s0 description serial link to rosemary ip address _ int s1 description serial link to sage ip address _ router rip network _ network _ ip ip ... Ethernet ip address _ ip directed-broadcast int s0 description serial link to parsley ip address _ int s1 description serial link to rosemary ip address _ router rip network ... _ ip host parsley ip host rosemary no service config _ _no ip domain-lookup Router Rosemary no ip subnet-zero hostname rosemary ! int e0 description shared Ethernet ip address...

Ngày tải lên: 05/11/2013, 12:15

... 11.34.50] IP Routing Primer IP Routing Primer q Preface q Topology and Router Configurations q Routing Metrics and Distances q Discontiguous Networks, Summarization, and Subnet q Using IP Unnumbered ... prepare CCIE candidates CCIE Professional Development: Routing TCP /IP ISBN: 1-57870-041-8 By Jeff Doyle Covers basics through details of each IP routing protocol Essential reading! Content not available ... addresses will change with the IPv6, the next http://wwwin.cisco.com/cpress/cc/td/cpress/fund/iprf /ip2 9intr.htm (1 of 3) [02/02/2001 11.35.19] Introduction generation of IP IP addresses are used extensively...

Ngày tải lên: 10/12/2013, 14:16

... - 19 IP Route Options Codes 0x83 - Loose Source Route Option 0x89 - Strict Source Route Option 0x07 - Record Route Option code length ptr IP Address #1 IP Address #2 IP Address #3 IP Routing ... header is greater than 20 bytes • IP option field has a hexadecimal value of: 83: loose source routing 89: strict source routing ip[ 0] & 0xf > and (ip[ 20] = 0x83 or ip[ 20] = 0x89) 14:19:31.800000 ... Interior Gateway Routing Protocol (IGRP) [Uses IP Protocol 88] Enhanced IGRP (EIGRP) [Uses IP Protocol 88] IP Routing – SANS GIAC LevelTwo ©2000, 2001 30 The slide “Distance Vector Routing Protocols”...

Ngày tải lên: 10/12/2013, 15:15

... 跳,它每 30 秒向外发送整个路由表的 信息.RIP 适合于小型网络.RIP 版本 1(RIPv1)使用分级路由(classful routing) ,意思是在网络的 所有设备必须使用相同的子网掩码;而 RIP 版本 2(RIPv2)使用无分类路由(classless routing) 我们这里讨论 RIPv1 RIP Timers RIP 使用 种不同的计时来调节它的性能: 1.路由更新计时(route ... 192.168.40.1/24 RouterB# show ip protocols:显示 router 上配置好了的路由协议,如下: RouterB#sh ip protocols Routing Protocols is “rip” (略) debug ip rip:发送控制台消息显示有关在 router 接口上收发 RIP 数据包的信息,关闭 debug,使 用 undebug ... Configuring IP Routing in Our Network 当 个 router 收到 个目标网络号没有在路由表中列出的包的时候,它并不发送广播寻找目 标网络,而是直接丢弃它 几种不同类型的路由: 1.静态路由(static routing) 2.默认路由(default routing) 3.动态路由(dynamic routing) Static Routing 静态路由:手动填加路由线路到路由表中,优点是:...

Ngày tải lên: 10/12/2013, 16:15

Ngày tải lên: 21/12/2013, 19:15

... Gateway Routing Protocol (EIGRP) Common Routing Protocols There are a number of common routing protocols that most environments use Routing Information Protocol RIP is a distance vector routing ... security of RIPv2, if you need to use RIP you should only use RIPv2 Note RFC 1058 defines RIPv1 RFC 2453 defines RIPv2 Open Shortest Path First Open Shortest Path First (OSPF) is a link-state routing ... the IP Routing Process Works For all the apparent complexity involved in routing, the routing process itself is a pretty simple and straightforward process In fact, when you understand the routing...

Ngày tải lên: 26/01/2014, 04:20

... al., 2001) The API and excipients used in formulations can exist in various physical phases that can impact processability, Oral Bioavailability: Basic Principles, Advanced Concepts, and Applications, ... Lipophilicity Lipophilicity or hydrophilicity is one of the key attributes that is determined by the chemical structure Lipophilicity represents the affinity of a molecule or a moiety for a lipophilic ... science of oral bioavailability Important physicochemical principles and strategies such as manipulation of dissolution via physical manipulation of the drug and drug product and chemical modification...

Ngày tải lên: 05/03/2014, 22:21

... approach • Drawbacks of traditional programming • Object-Oriented programming s Discuss basic Object-Oriented concepts such as: • Objects • Classes • Properties Object Oriented Session Objectives ... Data and Functions of an Object Data: Number of employees Salary statements Bills Vouchers Receipts Petty cash records Banking data Accounts Functions: Calculate salary Pay salary Pay bills Tally ... Classes s Grouping of objects that have the same properties, common behaviour and common relationships s The term class is an abbreviation of “class of objects” • Example, A class of persons, class...

Ngày tải lên: 16/03/2014, 01:20

... 7.2 7.3 Routing from a user to a PSI Routing from a PSI to a user Routing from an AS to a PSI 256 256 257 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Protocol stack SIP trapezoids SIP message format SIP protocol ... SIP message in IMS 19.3.1 Initialization of SIP compression 19.3.2 Compressing a SIP message 19.3.3 Decompressing a compressed SIP message 20 DHCPv6 20.1 DHCP options 20.2 DHCP options for SIP ... and SIP (preconditions) 8.13.7 The SIP REFER method 8.13.8 The "message/sipfrag" MIME type 8.13.9 SIP extension header for registering non-adjacent contacts (the Path header) 8.13.10 Private SIP...

Ngày tải lên: 05/04/2014, 23:31

Ngày tải lên: 18/05/2014, 09:24

... DHCP Ack DHCP sever IP DHCP sever IP DHCP server Address Address IP1 IP1 Gateway IP1 Gateway IP2 IP2 IP of other servers IP2 IP of other servers IP3 IP3 And more … IP3 And more … PITITHCM- Computer ... Known IP: IP: Unknown Unknown Internal Using only RARP server MAC: Known MAC: Known IP: IP: Unknown Unknown DHCP Request IP Address IP Address Lease time Lease time DHCP Ack DHCP sever IP DHCP ... routing within AS A Internet: OSPF, IS-IS, RIP Routing Fundamentals (1/2) Routing Fundamentals (2/2) • Routing table contain of routing information •Static routing – An administrator manually defines...

Ngày tải lên: 05/07/2014, 00:20

... cài đặt LAN ROUTING, tiếp đến chọn khởi chạy dịch vụ Bạn thấy Network Interfaces điều khiển RRAS cấu hình cụ thể cho IPV4 IPV6 Tại đây, bạn mở rộng phần IPV4, vào General, sau vào New Routing Protocol ... Hình 7: Bổ sung thêm Routing Protocol Tiếp đến, chọn RIPV2 với tư cách giao thức định tuyến Hình 8: Bổ sung thêm RIP V2 Lúc bạn cài đặt RIPv2 hoàn toàn cấu hình Việc cấu hình RIPv2 thực đơn giản ... tính kết nối RIP (như hình 10) Hình 10: Cấu hình giao diện RIP Khi bạn bổ sung thêm giao diện RIP, kiểm tra xem bạn có gửi nhận đáp trả giao diện RIP không Bạn kiểm tra xem có RIP lân cận không...

Ngày tải lên: 14/08/2014, 10:21

... and IP Multimedia Subsystem architecture 2.1 Architectural requirements 2.1.1 IP multimedia sessions 2.1.2 IP connectivity 2.1.3 Ensuring quality of service for IP multimedia services 2.1.4 IP ... PSIs Scenario 1: routing from a user to a PSI Scenario 2: routing from a PSI to a user Scenario 3: routing from a PSI to another PSI PROTOCOLS Background Design principles SIP architecture Message ... 19.3 21.1 21.2 21.3 22.1 23.1 24.1 24.2 26.1 Routing from a PSI to a user Routing from an AS to a PSI Protocol stack SIP trapezoids SIP message format SIP protocol layers Normal digest AKA message...

Ngày tải lên: 14/08/2014, 10:22

... ; manual/auto ; active=true/false active=true/false PUBLISH sip:tobias@home1.fr SIP/2.0 From: ;tag=31415 To: Accept-Contact: ... purpose a SIP MESSAGE method is used From a recipient point of view there is a need to differentiate between an ordinary SIP instant message and PoC instant personal alert, as both use the SIP message ... along with ‘‘require’’ and ‘‘explicit’’ parameters: MESSAGE sip:bob@example.com SIP/2.0 From: ;tag=31415 To: Accept-Contact: *;+g.poc.talkburst;require;explicit...

Ngày tải lên: 14/08/2014, 10:22

... REGISTER sip:home1.fr SIP/2.0 Via: SIP/2.0/UDP sip:icscf1.home1.fr;branch=3ictb Via: SIP/2.0/UDP sip:pcscf1.visited1.fi;branch=2pctb Via: SIP/2.0/UDP [5555::a:b:c:d];branch=1uetb Route: sip:scscf1.home1.fr;lr ... REGISTER sip:home1.fr SIP/2.0 Via: SIP/2.0/UDP sip:pcscf1.visited1.fi;branch=0pctb Via: SIP/2.0/UDP [5555::a:b:c:d];branch=0uetb Max-Forwards: 69 From: ;tag=pohja To: ... selected: REGISTER sip:home1.fr SIP/2.0 Via: SIP/2.0/UDP sip:icscf1.home1.fr;branch=0ictb Via: SIP/2.0/UDP sip:pcscf1.visited1.fi;branch=0pctb An example IMS registration 179 Via: SIP/2.0/UDP [5555::a:b:c:d];branch=0uetb...

Ngày tải lên: 14/08/2014, 10:22

... SIP 315 SIPS URIs it is ‘‘sips’’, while for SIP URIs it is ‘‘sip’’ A SIP URI and a SIPS URI are not equivalent IPsec IPsec provides authentication, integrity and confidentiality by securing SIP ... Replacement ‘‘SIPS þ D2T’’ ‘‘’’ ‘‘SIP þ D2T’’ ‘‘’’ ‘‘SIPxD2U’’ ‘‘’’ _sips._tcp.example.com _sip._tcp.example.com _sip._udp.example.com DNS 351 In this example a client of the SIP service that ... Below are some examples of SIP URIs: sip:bob.smith@nokia.com sip:bob@nokia.com; transport¼tcp sip:þ1-212-555-1234@gw.com;user¼phone sip:root@136.16.20.100:8001 sip:bob.smith@registrar.com;method¼REGISTER...

Ngày tải lên: 14/08/2014, 10:22