router protocols and concepts pdf

... Internetwork Operating System l Router Bootup Process l Router Ports and Interfaces l Routers and the Network Layer 2 Topics l Inside the Router Ÿ Routers are computers Ÿ Router CPU and Memory Ÿ Internetwork ... System Ÿ Router Bootup Process Ÿ Router Ports and Interfaces Ÿ Routers and the Network Layer l Path Determination and Switching Function Ÿ Packet Fields and Frame Formats Ÿ Best Path and Metrics Ÿ ... the router boot-up process l show version command is used to view information about the router during the bootup process (later). Inside the Router l Routers are computers l Router CPU and...

Ngày tải lên: 09/03/2014, 13:20

... 0/1 Router( config-if)#no ip unreachables Router( config-if)#exit Router( config)#interface Serial 0/0 Router( config-if)#no ip unreachables Router( config-if)#^Z Router# The no ip unreachables command ... enable command: Router# config terminal Enter configuration commands, one per line. End with CNTL/Z. Router( config)#interface Serial 0/0 Router( config-if)#no cdp enable Router( config-if)#^Z Router# Proxy ... configuration commands, one per line. End with CNTL/Z. Router( config)#interface Ethernet 0/0 Router( config-if)#no ip proxy-arp Router( config-if)#exit Router( config)#interface Serial 0/0 Router( config-if)#no...

Ngày tải lên: 21/12/2013, 18:15

... 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 ... networks for large, medium, and small organizations.  As a result, Class A, B, and C addresses were defined with a specific format for the high-order bits. 15 CIDR and Route Summarization  The ... prefix-based standard for the interpretation of IP addresses.  CIDR allows routing protocols to summarize multiple networks, a block of addresses, as a single route.  With CIDR, IP addresses and their...

Ngày tải lên: 23/02/2014, 09:20

... 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 is discussed ... (OSPF Hello packets) 3. Each router builds a link-state packet (LSP) containing the state of each directly connected link. (neighbor ID, link type, and bandwidth) 4. Each router floods the LSP to ... LSPs to their neighbors until all routers in the area have received the LSPs. 5. Each router uses the database to construct a complete map of the topology and computes the best path to each...

Ngày tải lên: 23/02/2014, 09:20

... identify an OSPF router.  Also used in the DR and BDR process. (later) OSPF Router ID Router ID? Router ID? Router ID? Basic OSPF Configuration  Lab Topology  The router ospf command  The network ... between the sending router s Hellos  Router Priority: Used in DR/BDR election (discussed later)  Designated Router (DR): Router ID of the DR, if any  Backup Designated Router (BDR): Router ID of ... for ALLSPFRouters at 224.0.0.5. 37 Modifying the Router ID (Extra)  The router ID is selected when OSPF is configured with its first OSPF network command.  If the OSPF router- id command or the...

Ngày tải lên: 09/03/2014, 13:20

... cabling standards. 22 Topics l Routers and the Network Ÿ Role of the Router Ÿ Introducing the Topology Ÿ Examining the Connections of the Router l Router Configuration Review Ÿ Examining Router ... 4040 Note on debug command l The debug commands, especially the debug all command, should be used sparingly. Ÿ Useful when configuring or troubleshooting a network Ÿ Can disrupt router operations. ... 172.16.2.0 is directly connected, Serial0/0 Routers and the Network l Role of the Router l Introducing the Topology l Examining the Connection on the Router 3838 Changing an IP Address R2# debug...

Ngày tải lên: 09/03/2014, 13:20

... handle.  Classless (use of VLSM) or classful:  Support VLSM and CIDR  Resource usage:  Routing protocol usage of RAM, CPU utilization, and link bandwidth utilization.  Implementation and ... enabling, verifying, and troubleshooting these protocols. 13 Routing Protocol Algorithms  R1 and R2 are configured with RIP.  The algorithm sends and receives updates.  Both R1 and R2 then glean ... a.m.? 41 Random Jitter  When multiple routers transmit routing updates at the same time on multiaccess LAN segments, the update packets can collide and cause delays or consume too much bandwidth. ...

Ngày tải lên: 09/03/2014, 13:20

... for a network, use the network command in router configuration mode  Enter the classful network address for each directly connected network. Router( config -router) # network directly-connected-classful- network-address ... RIP routing updates sent to other routers every 30 seconds. Router( config -router) # network directly-connected-classful- network-address 12 IP Address Classes and Classful Routing  RIPv1:  Classful ... Protocol  Background and Perspective  RIPv1 Characteristics and Message Format  RIP Operation  Basic RIPv1 Configuration  RIPv1 Scenario A  Enable RIP: router rip Command  Specifying Networks ...

Ngày tải lên: 09/03/2014, 13:20

... rip R2(config -router) # redistribute static R2(config -router) # network 10.0.0.0 R2(config -router) # network 209.165.200.0 R3(config)# router rip R3(config -router) # network 172.30.0.0 R3(config -router) # ... 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 ... all three routers R1(config)# router rip R1(config -router) # network 172.30.0.0 R1(config -router) # network 209.165.200.0 R2(config)# ip route 192.168.0.0 255.255.0.0 null0 R2(config)# router rip R2(config -router) #...

Ngày tải lên: 09/03/2014, 13:20

... section. R1(config)# router rip R1(config -router) # network 172.16.0.0 R2(config)# router rip R2(config -router) # network 172.16.0.0 R2(config -router) # network 192.168.1.0 R3(config)# router rip R3(config -router) # ... Route Level 2 Child Route 39 Step 3.  Is the router implementing classful or classless routing behavior. (later)  Router( config)# no ip classless  Router( config)# ip classless The Route Lookup ... from the parent route and included with the individual child routes. (later).  is subnetted, 1 subnets: This part of the route specifies that this is a parent route and in this case has one...

Ngày tải lên: 18/03/2014, 14:20

... 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  ... Metrics  Using the bandwidth Command  Calculating the EIGRP Metric  DUAL  DUAL Concepts  Successor and Feasible Distance  Feasible Successors, Feasibility Condition, and Reported Distance  ... 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...

Ngày tải lên: 18/03/2014, 14:20

... The router sends and receives routing messages on its interfaces. 2. The router shares routing messages and routing information with other routers that are using the same routing protocol. 3. Routers ... link-state protocols  Slower to converge than link state 27 Dynamic Routing Protocols and Convergence  Generally, convergence time:  Slow: RIP and IGRP  Faster: EIGRP, OSPF, and IS-IS R2’s ... 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...

Ngày tải lên: 18/03/2014, 14:20

... modulo/remainder (%), and exponentiation (ˆ)—honor the standard precedence rules. That is, exponentiation is performed first; multiplication, division, and modulo second; and addition and subtraction ... the left and right of the operator symbol. For example, + is an operator that takes one argument on the left and one on the right, and returns the sum of the arguments. Psql’s \do command lists ... similar to typing at an operating system command prompt. However, at an operating system command prompt, Enter completes each command. In psql, commands are completed only when you enter a semicolon...

Ngày tải lên: 29/03/2014, 22:20

... 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 ... of a router  Types of router interfaces: – Ethernet – Fastethernet – Serial – DSL – ISDN – Cable 37 â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Static Routes and Packet ... an Ethernet link and packet is sent to the next-hop router then ã The destination MAC address will be the address of the next hops Ethernet interface ã This is found by the router consulting...

Ngày tải lên: 03/04/2014, 13:45

... Configure Devices and Apply Addresses brief review from CCNA1 Router& gt; Router& gt;enable Router# Router# config t Router( config)#enable secret class Router( config)#enable password cisco Router( config)#hostname ... the entire IOS for that router. Cisco creates many different types of IOS images, depending upon the model of the router and the features within the IOS. the router and the features ... locates and loads IOS How a Cisco device locates and loads IOS  The router can use its own fallback se q uence to load the software. q The router looks to the boot system commands...

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