Difference between revisions of "ITT 2015/Network module 1/Assignment Day 14"

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(→‎Extra - and optional - Packet tracer troubleshooting practice)
 
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=== Network fault finding ===
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= Network troubleshooting =
  
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Diagram for ITT1 network fault finding exercises:
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== Troubleshooting techniques ==
  
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* Always start with a simple check for the user-claimed error!
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* Make a plan / note for yourself:
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** Draw a simple block diagram of the situation or use an existing diagram / documentation
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** 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 )
 
<br/>
 
<br/>
  
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[[Image:NetworkFaultfindingITT2015.png|800px|left|Diagram for ITT1 fault finding]]
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== Troubleshooting skills ==
  
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# Knowledge of all Technologies involved. ( How does it work? )
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# Knowledge of troubleshooting tools. ( Ping, ipconfig, show ip route .... )
 +
# Good at troubleshooting. ( Locating and correcting the fault in a logical way )
 
<br/>
 
<br/>
  
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Extra optional task: If you like the challenge of building networks in Cisco PacketTracer, try this [http://mars.tekkom.dk/data/ascom/module1/activity_3.pka Packet tracer activity]!
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== Troubleshooting exercises ==
  
 +
Diagram for ITT1 network troubleshooting exercises:
 +
 +
{|
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|[[Image:NetworkFaultfindingITT2015.png|800px|left|thumb|Diagram for ITT1 fault finding]]
 +
|}
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Troubleshooting challenge number 1: [http://mars.tekkom.dk/mediawiki/images/0/00/Fault1_Networkfaultfinding291115.pkt Jens has no Internet!]<br/>
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Troubleshooting challenge number 2: [http://mars.tekkom.dk/mediawiki/images/1/11/Fault2_Networkfaultfinding291115.pkt Ole has no access to Internet!]<br/>
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Troubleshooting challenge number 3: [http://mars.tekkom.dk/mediawiki/images/8/86/Fault3_Networkfaultfinding291115.pkt Viggo from IT staff has no access to SYSLOG service!]<br/>
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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/>
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Troubleshooting challenge number 5: [http://mars.tekkom.dk/mediawiki/images/4/43/Fault5_Networkfaultfinding291115.pkt Lars can't use FTP service!]<br/>
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Troubleshooting challenge number 6: [http://mars.tekkom.dk/mediawiki/images/3/38/Fault6_Networkfaultfinding291115.pkt Jens has no Internet access - again!]<br/>
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Troubleshooting challenge number 7: [http://mars.tekkom.dk/mediawiki/images/f/f0/Fault7_Networkfaultfinding291115.pkt Ole can't reach www.itt2015.com!]<br/>
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Troubleshooting challenge number 8: [http://mars.tekkom.dk/mediawiki/images/1/16/Fault8_Networkfaultfinding291115.pkt Viggo can't reach www.google.com!]<br/>
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Troubleshooting challenge number 9: [http://mars.tekkom.dk/mediawiki/images/b/bf/Fault9_Networkfaultfinding291115.pkt Louise can't use TFTP-service!]<br/>
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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/>
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<br/>
 +
 +
== 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]
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*[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]
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*[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]
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*[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]
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*[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]
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*[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]
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*[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]
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*[http://mars.merhot.dk/data/troubleshooting/Error%208%20-%20Ole%20claims%20the%20LAN%20is%20dead.pkt Error 8 - Ole claims the LAN is dead]
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*[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]
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<br/>
 +
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== Extra tasks ==
 +
 +
Extra optional task: If you like the challenge of building networks in Cisco PacketTracer, try this [http://mars.tekkom.dk/data/ascom/module1/activity_3.pka Packet tracer activity]!<br/>
 +
Another optional task: [http://mars.tekkom.dk/data/ascom/module1/activity_routing_session_1.pka Packet tracer activity 2]<br/>
 
<br/>  
 
<br/>  
  
 
[[Category:ITT 2015]]
 
[[Category:ITT 2015]]
 
[[Category:Network]]
 
[[Category:Network]]

Latest revision as of 21:07, 30 November 2015

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

  1. Knowledge of all Technologies involved. ( How does it work? )
  2. Knowledge of troubleshooting tools. ( Ping, ipconfig, show ip route .... )
  3. Good at troubleshooting. ( Locating and correcting the fault in a logical way )


Troubleshooting exercises

Diagram for ITT1 network troubleshooting exercises:

Diagram for ITT1 fault finding

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


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

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