ltm rule command ROUTE cwnd
iRule(1) BIG-IP TMSH Manual iRule(1)
ROUTE::cwnd
Returns the cached congestion window (cwnd) value.
SYNOPSIS
ROUTE::cwnd DESTINATION_IP_ADDRESS (GATEWAY_IP_ADDRESS)?
DESCRIPTION
Returns the cached congestion window (cwnd) value for a given destination IP and/or gateway.
The return value only applies to the TMM executing the command. It does not consider cache entries on other TMMs.
RETURN VALUE
The cached congestion window in bytes.
VALID DURING
EXAMPLES
when CLIENT_ACCEPTED {
set cwnd [ROUTE::cwnd [IP::remote_addr]]
if { $cwnd > 0 } {
log local0. "Destination found in cache. Initializing cwnd to $cwnd"
} else {
log local0. "Destination not found in cache."
}
}
HINTS
If no TCP profile has cmetrics cache enabled, there will be no values to return.
SEE ALSO
CHANGE LOG
@BIGIP-12.0.0 --First introduced the command.
BIG-IP 2022-04-12 iRule(1)