TAILIEUCHUNG - Lab 4.2.5a Connectivity Tests – Ping

The ping command is a good tool for troubleshooting Layers 1 though 3 of the OSI model and diagnosing basic network connectivity. Using ping sends an ICMP packet to the specified device (workstation, server, router or switch) and then waits for a reply. The IP address or host name can be pinged. In order to ping the host name of a router, there must be a static host lookup table in the router or a DNS server for name resolution to IP addresses. | Cisco SrsTEMS Lab Connectivity Tests - Ping Router 1 Router 2 Straight-through Serial cable Rollover console Crossover cable Router designation Router name Enable secret password Enable VTY and Console passwords Routing protocol RIP network statements Router 1 GAD class cisco RIP Router 2 BHM class cisco RIP Router designation IP host name FastEthernet 0 address Interface type Serial 0 Serial 0 address Interface type Serial 1 Serial 1 address Subnet mask all addresses Router 1 GAD DCE NA No address Router 2 BHM DTE NA No address Objective Use the ping command to send ICMP datagrams to target host. Verify that the network layer between source and destination is working properly. Retrieve information to evaluate the path-to-host reliability. Determine delays over the path and whether the host can be reached or is functioning. Use the extended ping command to increase number of packets. Background Preparation 1 - 7 CCNA 2 Routers and Routing Basics v - Lab Copyright 2003 Cisco Systems Inc. The ping command is a good tool for troubleshooting Layers 1 though 3 of the OSI model and diagnosing basic network connectivity. Using ping sends an ICMP packet to the specified device workstation server router or switch and then waits for a reply. The IP address or host name can be pinged. In order to ping the host name of a router there must be a static host lookup table in the router or a DNS server for name resolution to IP addresses. Cable a network similar to the one in the previous diagram. Any router that meets the interface requirements may be used. Possible routers include 800 1600 1700 2500 and 2600 routers or a combination. 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 .

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