ltm rule command TCP snd wnd
iRule(1) BIG-IP TMSH Manual iRule(1)
TCP::snd_wnd
The remote host's advertised receive window.
SYNOPSIS
TCP::snd_wnd
DESCRIPTION
Returns the remote host's advertised receive window. If smaller than the congestion window (cwnd) and send
buffer size, this limits the amount of outstanding data on the connection.
RETURN VALUE
The advertised receive window (rwnd) in bytes.
VALID DURING
ANY_EVENT
EXAMPLES
when CLIENT_ACCEPTED {
# Get Client's initial advertised window.
log local0. "Client's advertised rwnd: [TCP::snd_wnd]"
}
when CLIENT_CLOSED {
# Get Client's last advertised window.
log local0. "Client's advertised rwnd: [TCP::snd_wnd]"
}
HINTS
SEE ALSO
CHANGE LOG
@BIGIP-12.0.0 --First introduced the command.
BIG-IP 2020-06-23 iRule(1)