TAILIEUCHUNG - Lab 3.1.7 Troubleshooting a Serial Interface

Tham khảo tài liệu 'lab troubleshooting a serial interface', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Cisco Systems I Lab Troubleshooting a Serial Interface Router Designation Router Name Interface type Serial 0 Address Subnet mask Enable Secret Password Enable VTY 5 Console passwords Router 1 London DCE class cisco Router 2 Paris DTE class cisco Straight-through cable Serial cable Console rollover Crossover cable Objective Configure a serial interface on two routers. Use show commands to troubleshoot connectivity issues. Background Preparation A DHCP client uses IP broadcasts to find the DHCP server. However these broadcasts are not forwarded by routers so in the case of the remote LAN the workstations will not be able to locate the DHCP server. The router must be configured with the ip helper-address command to enable forwarding of these broadcasts as unicast packets to the specific server. Routing between the remote router and the campus router is done using a static route between the remote router and gateway router and a default route between the gateway router and remote router. Cable a network similar to the one in the diagram above. Any router that meets the interface requirements displayed on the above diagram may be used. This includes the following and any of their possible combinations 800 series routers 1600 series routers 1 - 6 CCNA 4 WAN Technologies v - Lab Copyright 2003 Cisco Systems Inc. 1700 series routers 2500 series routers 2600 series routers 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 slightly different output. Conduct the following steps on each router unless specifically instructed otherwise. Start a HyperTerminal session as. Note Refer to the erase and reload instructions at the end of this lab. Perform those steps on all routers in this lab assignment before .

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