31 Days Before Your CCNA Exam

184 31 Days Before Your CCNA ExamFigure 15-4TFTP TopologyTFTPServerBackup Image to TFTPR2192.168.20.254/24Upgrade All toCisco IOS 12.3(14)c1841-ipbase-mx.123-14.T7.binR1R3Backing Up an IOS imageMake sure a TFTP server is configured and running on the network. Then follow these steps tocopy a Cisco IOS Software image from flash memory to the network TFTP server:Step 1Ping the TFTP server to make sure you have access to it:R1#ping 192.168.20.254Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.20.254, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 31/31/32 msR1#Step 2Copy the current system image file from the router to the network TFTP server, usingthe copy flash: tftp: command in privileged EXEC mode. You then are prompted. Thecommand requires that you enter the IP address of the remote host and the name of thesource and destination system image files:R1#copy flash: tftp:Source filename []? c1841-ipbase-mz.123-14.T7.binAddress or name of remote host []? 192.168.20.254Destination filename [c1841-ipbase-mz.123-14.T7.bin]? !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!13832032 bytes copied in 113.061 secs (122341 bytes/sec)R1#During the copy process, exclamation points (!) indicate the progress. Each exclamationpoint signifies that one UDP segment has successfully transferred.