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  2. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    Check the physical connection - A loose cable or cord can often be the cause of a connection problem. Make sure everything is securely connected to the wall and device. 3. Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure ...

  3. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    When content arrives for a sustained period at a given router or network segment at a rate greater than it is possible to send through, there is no other option than to drop packets. [3]: 36 If a single router or link is constraining the capacity of the complete travel path or of network travel in general, it is known as a bottleneck.

  4. Packet drop attack - Wikipedia

    en.wikipedia.org/wiki/Packet_drop_attack

    The malicious router can also accomplish this attack selectively, e.g. by dropping packets for a particular network destination, at a certain time of the day, a packet every n packets or every t seconds, or a randomly selected portion of the packets. If the malicious router attempts to drop all packets that come in, the attack can actually be ...

  5. Route flapping - Wikipedia

    en.wikipedia.org/wiki/Route_flapping

    Route flapping is caused by pathological conditions (hardware errors, software errors, configuration errors, intermittent errors in communications links, unreliable connections, etc.) within the network which cause certain reachability information to be repeatedly advertised and withdrawn.

  6. Explicit Congestion Notification - Wikipedia

    en.wikipedia.org/wiki/Explicit_Congestion...

    ECN allows end-to-end notification of network congestion without dropping packets. ECN is an optional feature that may be used between two ECN-enabled endpoints when the underlying network infrastructure also supports it. Conventionally, TCP/IP networks signal congestion by dropping packets.

  7. Tail drop - Wikipedia

    en.wikipedia.org/wiki/Tail_drop

    Tail drop is a simple queue management algorithm used by network schedulers in network equipment to decide when to drop packets.With tail drop, when the queue is filled to its maximum capacity, the newly arriving packets are dropped until the queue has enough room to accept incoming traffic.

  8. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    If your account is working on a web browser and you made sure you're using the right server settings, then update your email app to the newest version available. If you're still experiencing issues with your app, contact the manufacturer. Also, access your AOL Mail on a web browser. Keep in mind - For two-step verification, generate an app ...

  9. Transmission Control Protocol - Wikipedia

    en.wikipedia.org/wiki/Transmission_Control_Protocol

    An open connection, data received can be delivered to the user. The normal state for the data transfer phase of the connection. FIN-WAIT-1 Server and client Waiting for a connection termination request from the remote TCP, or an acknowledgment of the connection termination request previously sent. FIN-WAIT-2 Server and client Waiting for a ...