Oracle Solaris Tunable Parameters Reference Manual

udp_recv_hiwat

Description

Defines the default maximum UDP socket receive buffer size. For more information, see udp_max_buf.

Default

57,344 bytes

Range

128 to 1,073,741,824 bytes

Dynamic?

Yes

When to Change

Note that an application can use setsockopt(3XNET) SO_RCVBUF to change the size for an individual socket. In general, you do not need to change the default value.

Commitment Level

Unstable

Change History

For information, see udp_recv_hiwat (Solaris 9 Releases).