Tag: rto

  • parameter tcp_retries1

    A UNIX Parameter $cat /proc/sys/net/ipv4/tcp_retries1 3 $echo 4 > /proc/sys/net/ipv4/tcp_r Parameter Definition This value influences the time, after which TCP decides, that something is wrong due to unacknowledged RTO retransmissions, and reports this suspicion to the network layer. RFC 1122 recommends at least 3 retransmissions, which is the default. Parameter Code Internals snippet 1 { […]

  • when RTO retransmissions remain unacknowledged…

    $cat /proc/sys/net/ipv4/tcp_orphan_retries 0 $ tcp_orphan_retries – INTEGER This value influences the timeout of a locally closed TCP connection, when RTO retransmissions remain unacknowledged. See tcp_retries2 for more details. The default value is 7 If your machine is a loaded WEB server, you should think about lowering this value, such sockets may consume significant resources. Cf. […]