routing protocols and concepts pdf allan johnson

... s0/0/0 VLSM  VLSM in Action  VLSM and IP Addresses Chapter 6 VLSM and CIDR Routing Protocols and Concepts 17 Classless Routing Protocol  Classless routing protocols include the subnet mask ... subnets (172,30.1.0/24, 172.30.2.0/24 and 172.30.3.0/24) as 172.30.0.0.  R3 applies the /8 mask (classful routing protocol) 8 Classful Routing Protocol  Routing protocols, such as RIPv1, only needed ... the routing table. A classless routing protocol includes the subnet mask with the network address in the routing update. 40 CIDR  Classless interdomain routing (CIDR) is a prefix-based standard...

Ngày tải lên: 23/02/2014, 09:20

... vector routing protocols (RIP), link-state routing protocols do not send periodic updates. OSPF routers do flood their own link states every 30 minutes. This is known as a paranoid update and ... 11 discusses the implementation and configuration of a link- state routing protocol, OSPF. 46 Hierarchical Design  Link-state routing protocols such as OSPF and IS-IS use the concept of areas. ... (summarization) Isolation of routing issues within an area.  Multi-area OSPF and IS-IS are discussed further in CCNP. Link-State Routing  Link-State Routing Protocols  Introduction to the...

Ngày tải lên: 23/02/2014, 09:20

... curriculum/book.  For further explanation and details, please read the chapter/curriculum.  Book:  Routing Protocols and Concepts  By Rick Graziani and Allan Johnson  ISBN: 1-58713-206-0  ISBN-13: ... network Command  The network command (same function as when used with other IGP routing protocols) :  Any interfaces on a router that match the network address in the network command will be ... router ospf command  The network command  OSPF Router ID  Verifying OSPF  Examining the Routing Table  The OSPF Metric  OSPF Metric  Modifying the Cost of the Link  OSPF and Multiaccess...

Ngày tải lên: 09/03/2014, 13:20

... command is used to display the routing table. l Initially, the routing table is empty if no interfaces have been configured. l Note: Static routes and dynamic routes cannot be added to the routing ... Added to the Routing Table l The debug ip routing displays routing table processes for any route, Ÿ directly connected network Ÿ static route Ÿ dynamic route. l Disable debug ip routing by either: Ÿ ... Route 3434 Routing Table Concepts l The routing table consists of a list of “known” network addresses— that is, those addresses that are directly connected, configured statically, and learned...

Ngày tải lên: 09/03/2014, 13:20

... Exchange of Routing Information  Routing Table Maintenance  Periodic Updates  Bounded Updates  Triggered Updates  Random Jitter  Routing Loops  Defining a Routing Loop  Implications of Routing ... receivesreceives 33 Routing Table Maintenance  Routing protocols must maintain the routing tables so that they have the most current routing information.  How?  Depends on:  Type of routing protocol ... pitfalls, and  Remedies to these pitfalls  Understanding the operation of distance vector routing is critical to enabling, verifying, and troubleshooting these protocols. 13 Routing Protocol...

Ngày tải lên: 09/03/2014, 13:20

... Classful Routing Protocol  Background and Perspective  RIPv1 Characteristics and Message Format  RIP Operation  Basic RIPv1 Configuration  RIPv1 Scenario A  Enable RIP: router rip Command  ... RIPv1: A Distance Vector, Classful Routing Protocol  Background and Perspective  RIPv1 Characteristics and Message Format  RIP Operation 5 Background and Perspective  RIP is not a protocol ... show ip protocols Command  Information about which RIP version is currently configured and which interfaces are participating in RIP updates. 25 Verifying RIP: show ip route Command R3# show...

Ngày tải lên: 09/03/2014, 13:20

... 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 ... following features and limitations:  Use of hold-down and other timers to help prevent routing loops  Use of split horizon and split horizon with poison reverse to also help prevent routing loops  ... RFC 1918 and Cisco Example addresses for all topologies. Private Addresses and Cisco Example Addresses RFC 1918 Private Addresses Cisco Example Addresses 20  RIPv1 on both Routers R1 and R3 will...

Ngày tải lên: 09/03/2014, 13:20

... destination IP address of a packet and a route in the routing table, a minimum number of leftmost bits must match between the IP address of the packet and the route in the routing table.  The subnet ... parent route 9 Sample Routing Table Entries  The routing table hierarchy in Cisco IOS software was originally implemented with the classful routing scheme.  Although the routing table incorporates ... 8 The Routing Table: A Closer Look The Routing Table Structure 38 Step 2b.  If there is not a match with any of the level 2 child routes, proceed to Step 3. The Route Lookup Process Routing...

Ngày tải lên: 18/03/2014, 14:20

... Book:  Routing Protocols and Concepts  By Rick Graziani and Allan Johnson  ISBN: 1-58713-206-0  ISBN-13: 978-58713- 206-3 23 EIGRP Bounded Updates  EIGRP uses the terms partial and bounded ... Metrics  Using the bandwidth Command  Calculating the EIGRP Metric  DUAL  DUAL Concepts  Successor and Feasible Distance  Feasible Successors, Feasibility Condition, and Reported Distance  ... Autonomous Systems and Process IDs  The router eigrp Command  The network Command  Verifying EIGRP  Examining the Routing Table  EIGRP Metric Calculation  EIGRP Composite Metric and the K Values ...

Ngày tải lên: 18/03/2014, 14:20

... EIGRP, OSPF, and IS-IS R2’s Routing Table R1’s Routing Table R3’s Routing Table 23 Classful Routing Protocols  Classful routing protocols do not send subnet mask information in routing updates. ... 16 Distance Vector and Link-State Routing Protocols  Interior gateway protocols (IGP) can be classified as two types:  Distance vector routing protocols  Link-state routing protocols  They ... require short convergence times. R2’s Routing Table R1’s Routing Table R3’s Routing Table Dynamic Routing Protocols and Convergence 35  All the routing protocols discussed in this course are...

Ngày tải lên: 18/03/2014, 14:20

... decapsulated and processed by upper layer protocols 8 â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Classifying Routing Protocols  Types of routing protocols: – Interior Gateway Protocols ... Cisco Public Classifying Routing Protocols 29 â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Static Routes with Exit Interfaces  Ethernet interfaces and ARP – If a static route ... commands: – Ping – Traceroute – Show IP route – Show ip interface brief – Show cdp neighbors detail 13 â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Routing Table and...

Ngày tải lên: 03/04/2014, 13:45

... for the routing process.  Demonstrate the ability to configure devices and Demonstrate the ability to configure devices and apply addresses.  Describe the structure of a routing ... Computer  Router com p onents and their functions” p CPU - Executes operating system instructions  such as system initialization, routing functions, and switching functions.  Random access memory (RAM) RAM ... into RAM and  Upon bootup , the startup - config file in NVRAM is copied into RAM and stored as the running-config file. – IOS executes the configuration commands in the...

Ngày tải lên: 05/07/2014, 03:20

... ip routing command Confi g urin g the IP address and Subnet Mask disable interfaces with the shutdown command. gg 4 Check the routing table 2 Check the routing table 5 Disable debug ip routing ... Cisco Public 5 routing by using either the “undebug ip routing command or the “undebug all” command. Never use the debug all command on the production router. Routing Table and CDP Protocol  ... Cisco Systems, Inc. All rights reserved. Cisco Public Routing Table Concepts Routing Table Concepts  Purpose of the debug ip routing command  Allows you to view changes that the router performs...

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20