Linux kernel parameter description for KeepAlive

Source: Internet
Author: User
Tags integer

Tcp_keepalive_time-integer

After the connection is marked as needing keepalive, the final data is sent and the first keepalive probe packet interval.

Default value: 2hours.

Tcp_keepalive_probes-integer

The number of times a keepalive probe packet is sent before a decision is made to notify the application layer of the connection being broken.

Default value: 9.

Tcp_keepalive_intvl-integer

After the KeepAlive probe packet has started, the probe packet is sent once every few hours.

Default value: 75s

According to the above parameters, if a client sent a packet marked as keepalive, if disconnected, the server needs to 7200s+9*75s=7875s, the connection will be released.

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