By Chris Lewis
"This is a helpful reference that no networking seasoned might be with out! this could were within the field from CISCO."--Jerry Curtis, employees author, Aroostook home windows NT person workforce. up-to-date and accelerated to incorporate the newest details on enforcing TCP/IP over Cisco routers, this sought-after reference offers simply what Cisco documentation doesn't--crystal-clear, step by step directions for each point of operating TCP/IP at the world's most well-liked routers. overlaying the all-important web protocol (increasingly utilized in neighborhood applications), the CISCO TCP/IP: Routing specialist Reference grants functional, just-in-time services on designing for, configuring, and troubleshooting Cisco routers for fast-expanding
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"This is a precious reference that no networking professional may be with no! this could were within the field from CISCO. "--Jerry Curtis, employees author, Aroostook home windows NT consumer team. up-to-date and extended to incorporate the newest details on enforcing TCP/IP over Cisco routers, this sought-after reference delivers simply what Cisco documentation doesn't--crystal-clear, step by step directions for each point of operating TCP/IP at the world's most well liked routers.
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Additional info for Cisco TCP-IP routing professional reference
5 ! ip forward-protocol udp ! 5. 2 Once the new router has found its hostname ("newrouter," for instance), for argument's sake it will issue a TFTP request for a configuration file named newrouter-config. The configuration file must be located in the TFTP directory on the Unix machine, as must the network-confg file. Assuming the appropriately named configuration file is there, the router will start downloading its configuration from the TFTP directory of the Cisco Works machine. Setting Up a Lab By this stage, we have covered the basics of TPC/IP operation, how to use the Cisco router user interface, and how to change addresses on router ports.
It is assumed that the router to which the packet is forwarded will know how to get the packet to its ultimate destination. Life gets more complicated when we use netmasks to split a network number into several subnets. A specific example of applying and changing subnet masks on a Cisco router is given in Chap. 3, but we will discuss the basic theory here. Most people new to the subject have some difficulty understanding how netmasks work. If the following discussion does not help you, don't panic.
The LLC sublayer defines how a receiving machine discards damaged packets. The following sections list MAC specifications defined by the 802 committees. Each of these MAC standards defines a unique packet (or frame) format. 3 (Ethernet). The following Ethernet protocols use a bus topology and the media types listed: •10Base5Thick Ethernet, 50-? coaxial, 10 Mbps •10Base2Thin Ethernet, 50-? Common token bus protocols include the following: •Carrierband 1 Mbps, phase continuous, FSK, 75-? coaxial •Carrierband 5−10 Mbps, phase coherent, FSK, 75-?