Difference between revisions of "ITT 2015/Network module 1/Assignment Day 14"
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Troubleshooting challenge number 4: [http://mars.tekkom.dk/mediawiki/images/3/38/Fault4_Networkfaultfinding291115.pkt Louise can't reach www.itt2015.com!]<br/> | Troubleshooting challenge number 4: [http://mars.tekkom.dk/mediawiki/images/3/38/Fault4_Networkfaultfinding291115.pkt Louise can't reach www.itt2015.com!]<br/> | ||
Troubleshooting challenge number 5: [http://mars.tekkom.dk/mediawiki/images/4/43/Fault5_Networkfaultfinding291115.pkt Lars can't use FTP service!]<br/> | Troubleshooting challenge number 5: [http://mars.tekkom.dk/mediawiki/images/4/43/Fault5_Networkfaultfinding291115.pkt Lars can't use FTP service!]<br/> | ||
| − | Troubleshooting challenge number 6: <br/> | + | Troubleshooting challenge number 6: [http://mars.tekkom.dk/mediawiki/images/3/38/Fault6_Networkfaultfinding291115.pkt Jens has no Internet access - again!]<br/> |
| − | Troubleshooting challenge number 7: <br/> | + | Troubleshooting challenge number 7: [http://mars.tekkom.dk/mediawiki/images/f/f0/Fault7_Networkfaultfinding291115.pkt Ole can't reach www.itt2015.com!]<br/> |
| − | Troubleshooting challenge number 8: <br/> | + | Troubleshooting challenge number 8: [http://mars.tekkom.dk/mediawiki/images/1/16/Fault8_Networkfaultfinding291115.pkt Viggo can't reach www.google.com!]<br/> |
| − | Troubleshooting challenge number 9: <br/> | + | Troubleshooting challenge number 9: [http://mars.tekkom.dk/mediawiki/images/b/bf/Fault9_Networkfaultfinding291115.pkt Louise can't use TFTP-service!]<br/> |
| − | Troubleshooting challenge number 10: <br/> | + | Troubleshooting challenge number 10: [http://mars.tekkom.dk/mediawiki/images/1/17/Fault10_Networkfaultfinding291115.pkt Lars says that nobody can use www.itt2015.com!]<br/> |
| + | <br/> | ||
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| + | == Extra - and optional - Packet tracer troubleshooting practice == | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%201%20-%20Jens%20claims%20he%20can%20not%20use%20Internet.pkt Error 1 - Jens claims he can not use Internet] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%202%20-%20Ole%20claims%20he%20can%20not%20use%20local%20FTP.pkt Error 2 - Ole claims he can not use local FTP] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%203%20-%20Pia%20claims%20her%20pc%20does%20not%20work.pkt Error 3 - Pia claims her pc does not work] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%204%20-%20Otto%20claims%20the%20intranet.ttc.com%20page%20does%20not%20work.pkt Error 4 - Otto claims the intranet.ttc.com page does not work] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%205%20-%20Jesper%20claims%20he%20can%20reach%20nothing%20but%20local%20FTP.pkt Error 5 - Jesper claims he can reach nothing but local FTP] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%206%20-%20Paul%20claims%20the%20public%20FTP%20suddenly%20stopped%20working.pkt Error 6 - Paul claims the public FTP suddenly stopped working] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%207%20-%20Pia%20claims%20the%20Internet%20is%20very%20slow.pkt Error 7 - Pia claims the Internet is very slow] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%208%20-%20Ole%20claims%20the%20LAN%20is%20dead.pkt Error 8 - Ole claims the LAN is dead] | ||
| + | *[http://mars.merhot.dk/data/troubleshooting/Error%209%20-%20Jens%20claims%20he%20can%20not%20surf%20the%20Internet.pkt Error 9 - Jens claims he can not surf the Internet] | ||
| + | <br/> | ||
== Extra tasks == | == Extra tasks == | ||
Latest revision as of 20:07, 30 November 2015
Contents
Network troubleshooting
Troubleshooting techniques
- Always start with a simple check for the user-claimed error!
- Make a plan / note for yourself:
- Draw a simple block diagram of the situation or use an existing diagram / documentation
- Write in short some lines of which technical facts you know about the error
- Write in short some lines of which technical facts you should remember to check or measure ( brainstorm / idea-catalog )
Troubleshooting skills
- Knowledge of all Technologies involved. ( How does it work? )
- Knowledge of troubleshooting tools. ( Ping, ipconfig, show ip route .... )
- Good at troubleshooting. ( Locating and correcting the fault in a logical way )
Troubleshooting exercises
Diagram for ITT1 network troubleshooting exercises:
Troubleshooting challenge number 1: Jens has no Internet!
Troubleshooting challenge number 2: Ole has no access to Internet!
Troubleshooting challenge number 3: Viggo from IT staff has no access to SYSLOG service!
Troubleshooting challenge number 4: Louise can't reach www.itt2015.com!
Troubleshooting challenge number 5: Lars can't use FTP service!
Troubleshooting challenge number 6: Jens has no Internet access - again!
Troubleshooting challenge number 7: Ole can't reach www.itt2015.com!
Troubleshooting challenge number 8: Viggo can't reach www.google.com!
Troubleshooting challenge number 9: Louise can't use TFTP-service!
Troubleshooting challenge number 10: Lars says that nobody can use www.itt2015.com!
Extra - and optional - Packet tracer troubleshooting practice
- Error 1 - Jens claims he can not use Internet
- Error 2 - Ole claims he can not use local FTP
- Error 3 - Pia claims her pc does not work
- Error 4 - Otto claims the intranet.ttc.com page does not work
- Error 5 - Jesper claims he can reach nothing but local FTP
- Error 6 - Paul claims the public FTP suddenly stopped working
- Error 7 - Pia claims the Internet is very slow
- Error 8 - Ole claims the LAN is dead
- Error 9 - Jens claims he can not surf the Internet
Extra tasks
Extra optional task: If you like the challenge of building networks in Cisco PacketTracer, try this Packet tracer activity!
Another optional task: Packet tracer activity 2