pool-default-twin-port-range
Syntax
pool-default-twin-port-range lower-port-range to upper-port-range;
Hierarchy Level
[edit security nat source]
Description
Specify the global default twin port range for all source pools. Two ports within range (63488, 65535) are allocated at a time for RTP/RTCP applications such as SIP, H.323, and RTSP for source pools with PAT.
The default twin port range is 2048. If you have an SRX5400, SRX5600, or SRX5800 device that supports a maximum of 1 million IP addresses, use this option to limit the twin port range and avoid exceeding the port capacity of 384 million.
To set the twin port range for a specific pool, use the port range twin-port port-low (to port-high) statement at the [edit security nat source
pool] hierarchy level.
Options
lower-twin-port-range—Specify the lower limit of the port range.upper-twin-port-range—Specify the upper limit of the port range.
Range: 63,488 through 65,535.
Required Privilege Level
security—To view this statement in the configuration.
security-control—To add this statement to the configuration.
Release Information
Statement introduced in Junos OS Release 12.1X47-D10.