Sena STS Series Uživatelská příručka stáhnout pdf (Strana 35)

 TCP “keep-alive” probes:

This represents how many “keep-alive” probes will be sent to the remote host, until it decides that the

connection is dead. Multiplied with the “TCP ‘keep-alive’ intervals”, this gives the time that a link is

forced to close after a “keep-alive” packet has been sent for the first time. The default is 3 times.

 TCP keep-alive intervals:

This represents the waiting period until a “keep-alive” packet is retransmitted due to no

acknowledgement by the original Chinatown. The default value is 5 seconds.

By default, the STS Series will send the keep-alive packets 3 times with 5 seconds interval after 15

seconds have elapsed since the time when there’s no data transmitted back and forth.

Figure 3-12 TCP keep-alive configuration

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Sena STS Series Uživatelská příručka Strana 35