What are all those T1, T2, N2 and things ?
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Not every AX.25 implementation is a TNC2. Linux uses nomenclature that differs in some respects from that you will be used to if your sole experience with packet is a TNC. The following table should help you interpret what each of the configurable items are, so that when you come across them later in this text you'll understand what they mean.
|T1||FRACK||How long to wait before retransmitting an unacknowledged frame.|
|T2||RESPTIME||The minimum amount of time to wait for another frame to be received before transmitting an acknowledgement.|
|T3||CHECK||The period of time we wait between sending a check that the link is still active.|
|N2||RETRY||How many times to retransmit a frame before assuming the connection has failed.|
|Idle||The period of time a connection can be idle before we close it down.|
|Window||MAXFRAME||The maximum number of unacknowledged transmitted frames.|