© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-1 LAN Connections Accessing Remote Devices.

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Presentation transcript:

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-1 LAN Connections Accessing Remote Devices

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-2 Using Telnet to Connect to Remote Devices

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-3 Viewing Telnet Connections

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-4 Viewing SSH Connections RouterB# show ssh Connection Version Encryption State Username DES Session Started guest

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-5 Suspending and Resuming a Telnet Session

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-6 Closing a Telnet Session

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-7 Using the ping and traceroute Commands Tests the connectivity and path to a remote device RouterX#ping Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to , timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms RouterX#trace Type escape sequence to abort. Tracing the route to p1r1 ( ) 20 msec 16 msec 16 msec 2 p1r2 ( ) 48 msec * 44 msec RouterX

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-8 Summary  Once connected to a remote device, you may want to access a local device without terminating the Telnet session. Telnet allows temporary suspension and then resumption of a remote session.  Ending a Telnet session on a Cisco device uses the exit, logout, disconnect, or clear commands.  The ping and trace commands provide information about the connectivity with and path to remote devices.

© 2007 Cisco Systems, Inc. All rights reserved.ICND1 v1.0—4-9