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en:troubleshootingserverconnection [2018/08/31 13:19] – Pavel Machyniak | en:troubleshootingserverconnection [2021/02/16 12:36] (current) – Pavel Machyniak | ||
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- | ====== Troubleshooting | + | ====== Troubleshooting T3C Server connection issues ====== |
<WRAP round tip 90%> | <WRAP round tip 90%> | ||
If //T3C system// was working fine and from some time point it is not working anymore, please verify what changes has been made in network and infrastructure configuration and // | If //T3C system// was working fine and from some time point it is not working anymore, please verify what changes has been made in network and infrastructure configuration and // | ||
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===== Assumption ===== | ===== Assumption ===== | ||
* //T3C Service// and //T3C Console// is running | * //T3C Service// and //T3C Console// is running | ||
- | * In //T3C Console// connection indication in right part of status bar shows orange | + | * //T3C Console// connection indication in the right section |
===== Possible causes and solutions ===== | ===== Possible causes and solutions ===== | ||
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* //T3C Server// has a short-term outage or is overloaded | * //T3C Server// has a short-term outage or is overloaded | ||
* //T3C Service// connects to the Internet using a proxy server that is not currently operational or its settings or authorization has changed | * //T3C Service// connects to the Internet using a proxy server that is not currently operational or its settings or authorization has changed | ||
- | * Communication is blocked by firewall | + | * Communication is blocked by a // |
==== Internet connection ==== | ==== Internet connection ==== | ||
Open an internet browser and try to access multiple sites on the // | Open an internet browser and try to access multiple sites on the // | ||
- | ==== Availability of T3C Central | + | ==== Availability of T3C Server ==== |
- | Verify the availability of central | + | Verify the availability of //T3C Server// at https://cs.t3c.sk: |
* The page with the T3C logo in the green circle appears, the connection is OK | * The page with the T3C logo in the green circle appears, the connection is OK | ||
* The page with the T3C logo in the orange circle appears, the server may be temporarily overloaded | * The page with the T3C logo in the orange circle appears, the server may be temporarily overloaded | ||
- | * The page with the T3C logo in the red circle appears | + | * The page with the T3C logo in the red circle appears or there is no page: |
- | * Address translation error - try accessing by IP address http://195.28.95.62 | + | * Address translation error: |
+ | * In command line run //nslookup// | ||
+ | * Enter address cs.t3c.sk | ||
+ | * Verify that it translates to 52.232.111.202 | ||
* The server is blocked - try accessing from another network or other device | * The server is blocked - try accessing from another network or other device | ||
* The server has an outage or the connection is currently overloaded - try it later | * The server has an outage or the connection is currently overloaded - try it later | ||
==== Proxy server ==== | ==== Proxy server ==== | ||
- | If central | + | If //T3C Server// is available, but //T3C Service// does not communicate, |
==== Firewall ==== | ==== Firewall ==== | ||
- | If central | + | If //T3C Server// is available, but //T3C Service// does not communicate, |
- | ~~DISCUSSION: | + | ~~DISCUSSION: |