Tham khảo tài liệu 'lab gateway of last resort (default gateway)', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | ClíCf SíịlE U9 Lab Gateway of Last Resort Default Gateway Router 1 Router 2 Straight-through cable Serial cable Rollover console cable Crossover cable Router Designation Router Name FastEthernet 0 Address Interface type Serial 0 Address Subnet mask for both interfaces Enable secret password Enable VTY Console passwords Router 1 GAD DCE class cisco Router 2 BHM DTE class cisco Objective Configure RIP routing and add default routes gateways to the routers. Remove RIP and the default routes. Configure IGRP routing and add default routes gateways to the routers. Background Preparation This lab shows the purpose of the gateway of last resort also known as the default gateway. Cable a network similar to the one in the diagram. Any router that meets the interface requirements displayed on the above diagram such as 800 1600 1700 2500 and 2600 routers or a combination may be used. Please refer to the chart at the end of the lab to correctly identify the interface identifiers to be used based on the equipment in the lab. The configuration output used in this lab is produced from 1721 series routers. Any other router used may produce a slightly different output. The following steps are intended to be executed on each router unless specifically instructed otherwise. Start a HyperTerminal session as performed in the Establishing a HyperTerminal session lab. Note Go to the erase and reload instructions at the end of this lab. Perform those steps on all routers in this lab assignment before continuing. Step 1 Configure the routers a. On the routers enter the global configuration mode and configure the hostname as shown in the chart. Then configure the console virtual terminal and enable passwords. If there is a problem 1 - 5 CCNA 2 Routers and Routing Basics v - Lab Copyright 2003 Cisco Systems Inc. doing this refer to the Configuring Router Passwords lab. Next configure the interfaces according .