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| public:network_connection [2016-09-14 14:36] – krest | public:network_connection [2016-09-21 14:09] – krest |
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| * [[:public:network_connection#how_to_check_connectivity|How to check connectivity]] | * [[:public:network_connection#how_to_check_connectivity|How to check connectivity]] |
| * [[:public:network_connection#how_to_check_ip_address|How to check IP address]] | * [[:public:network_connection#how_to_check_ip_address|How to check IP address]] |
| * [[:public:network_connection#how_to_differentiate_malfunctions_in_network_services|How to differentiate malfunctions in network services]] | |
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| ==== How to check connectivity ==== | ==== How to check connectivity ==== |
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| {{:public:nw3.jpg}}{{:public:nw4.jpg}} | {{:public:nw3.jpg}}{{:public:nw4.jpg}} |
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| | ** Loss of network connectivity ** can manifest itself in different ways: logon failure due to inaccessible domain controller, no internet connection, mail server inaccessible, network resources inaccessible etc. |
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| | Computer networking is structured in so called layers (https://en.wikipedia.org/wiki/OSI_model), where ** layer 1 ** is the physical layer, which is practically the physical connection, a cable. Although you can't trace completely the whole physical route, at least you can first check the connection of your device to the network socket via a UTP cable, provided you are connected by a cable to the network. If you notice that your device has no network connectivity (see "Check connectivity" ) __**check the cable first**.__ |
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| | {{:public:rj45_connector.jpg?200|}} {{:public:data-socket.jpg?300|}} |
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| | ** RJ45 connector of UTP data cable ** and ** Data wall socket ** |
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| ==== How to check IP address ==== | ==== How to check IP address ==== |
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| {{:public:cmd_ip2.jpg?680}} | {{:public:cmd_ip2.jpg?680}} |
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| ==== How to differentiate malfunctions in network services ==== | |
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| Loss of network connectivity can manifest itself in different ways: logon failure due to inaccessible domain controller, no internet connection, mail server inaccessible, network resources inaccessible etc. Computer networking is structured in so called layers (https://en.wikipedia.org/wiki/OSI_model), where ** layer 1 ** is the physical layer, which is practically the physical connection, a cable. Although you can't trace completely the whole physical route, at least you can first check the connection of your device to the network socket via a UTP cable, provided you are connected by a cable to the network. If you notice that your device has no network connectivity (see "Check connectivity" ) __**check the cable first**.__ | |
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| {{:public:rj45_connector.jpg?200|}} {{:public:data-socket.jpg?300|}} | |
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| ** RJ45 connector of UTP data cable ** and ** Data wall socket ** | |
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