ccna practical cisco routers phần 4 ppsx

... correct interfaces (or interface cards used on the higher- end routers) , get on the phone to Cisco (1-800 -46 2 -47 26) or your local Cisco reseller. After you have inventoried the router, cables, ... the Cisco IOS”). Router CPUs Routers aren’t unlike PCs in that they contain a microprocessor. And just like PCs, different Cisco router models come with different processors. For exa...

Ngày tải lên: 14/08/2014, 13:20

... 3.1 The T-Carrier Systems Carrier Line Channels Total Data Rate T1 24 1. 544 Mbps T2 96 6.312Mbps T3 672 44 .736Mbps T4 40 32 2 74. 760Mbps Telephone trivia The Public Switched Telephone Network (PSTN) is ... the basic unit of the T-carrier system. It provides 246 4Kbps channels that can be combined to provide a total transmis- sion bandwidth of 1. 544 Mbps. Several other T-carrier classe...

Ngày tải lên: 14/08/2014, 13:20

... Commands 3 34 Miscellaneous Commands 3 34 B Selected Cisco Router Specifications 337 Router Selection 338 Cisco 7500 Routers 338 Cisco 45 00 Routers 339 Cisco 2500 Routers 340 Cisco 1000 Routers 341 A ... Transport Layer 40 The Network Layer 40 The Data-Link Layer 41 The Physical Layer 43 The Data-Link Sublayers 43 Real-World Network Protocols 44 NetBEUI 45...

Ngày tải lên: 14/08/2014, 13:20

... for Cisco routers. Cisco s HDLC implementation is proprietary, however, and will not communicate with other vendor’s HDLC (this is why trying to mix routers from different vendors such as Cisco ... as two routers) . ■ Point to Point Protocol (PPP) is another Data Link layer point- to-point protocol supported by Cisco routers. It isn’t proprietary, so it can be used to connect Cis...

Ngày tải lên: 14/08/2014, 13:20

... information related to routers that are directly connected to your router. These routers are typically referred to as neighbors. Cisco routers have a proprietary protocol, Cisco Discovery Protocol (CDP), ... information related to neighboring routers. CDP uses Data Link broadcasts to discover neighboring Cisco routers that are also running CDP (CDP is turned on automatically on...

Ngày tải lên: 14/08/2014, 13:20

... End Address Broadcast Address Address 1 200.10 .44 . 64 200.10 .44 .65 200.10 .44 .126 200.10 .44 .127 2 200.10 .44 .128 200.10 .44 .129 200.10 .44 .190 200.10 .44 .191 The big problem with subnetting a Class ... subnets would be 200.10 .44 .1-200.10 .44 .126 (200.10 .44 .127 is the broadcast address) for subnet 0 and 200.10 .44 .129-200.10 .44 .2 54 (200.10 .44 .128 is the subnetwork numb...

Ngày tải lên: 14/08/2014, 13:20

... Enter. Your list is shown in Figure 14. 8. PART IV Advanced Configuration and Configuration To o l s CHAPTER 14 Filtering Router Traffic with Acc ess Lists FIGURE 14. 8 An IPX Access list under construction ... config-if mode. Configuring high-end routers Routers that use modular interface slots specify their interfaces in a slightly dif- ferent way. For example a Cisco 7200 series route...

Ngày tải lên: 14/08/2014, 13:20

... Router with Cisco Con figMa ker 2 8 4 Delivering the Configuration to a Router You can use ConfigMaker to build an entire internetwork diagram. You can connect LANs and routers, hosts and routers, ... packages are available. Cisco provides a free TFTP server application for registered Cisco product users. The TFTP server software can be downloaded from the Cisco site at www .cisco...

Ngày tải lên: 14/08/2014, 13:20

... interface with the frame type used 3 3 9 PART V Cisco 45 00 R outers APPENDIX B Cisco 45 00 Routers The Cisco 45 00 routers are considered distribution-level routers and are used as the central connection ... 2500 routers weigh- ing in at only 10 pounds can be carriedunder your arm like a notebook. Selected Cisco Router S p e c i f i c a t i o n s Router Selection • Cisco...

Ngày tải lên: 14/08/2014, 13:20

... 2 54 deny statements, 244 - 247 grouping to an interface, 253-2 54 IP Access lists, 247 -2 54 IPX Access lists, 2 54- 256 operation, 244 - 246 permit statements, 244 - 247 wildcard masks, 248 -252 routing, 78 path ... system, 147 -150 loading from TFTP server, 297-298 Cisco routers assembling, 115 checking your purchase, 115 Cisco 1000 routers, 341 Cisco 2500 routers, 340 Cis...

Ngày tải lên: 14/08/2014, 13:20