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IFCONFIG ( 1M ) IFCONFIG
metric n
Set the routing metric of the interface to n; the default metric is zero.
Higher metrics have the effect of making a route less favorable; metrics are
counted as additional hops to the destination network or host. The rout-
ing metric is used by the routing protocol routed(1M).
mtu mtu
Set the Maximum Transmission Unit of the interface to mtu; the default
metric is the value that was returned by the interface when the network
was started.
netmask mask
(Internet Address family only). Identify the portions of the Internet
address to be used for the network and subnetwork specification; the
remainder is used as the host specification. It is strongly recommended
that the subnetwork field be contiguous with the network portion. The
32-bit address mask contains 1’s for the bit positions in the network and
subnet parts, and 0’s for the host part. The mask can be specified as a sin-
gle hexadecimal number (for example, 0xffffff00), with a dot notation
Internet address (for example, 255.255.255.0), or with a pseudo-network
name listed in the network table networks(4).
up Mark an interface as being UP. This is used to re-enable an interface after
an marking it down. An interface is automatically marked up when its
address is first set. If the interface was reset when previously marked
down, the hardware will be re-initialized.
DIAGNOSTICS
Exit status is zero for normal termination, a positive number for error termination.
Messages may indicate the specified interface does not exist, the requested
address is unknown, or that a nonprivileged user tried to alter an interface confi-
guration.
NOTES
Trailers are not supported.
SEE ALSO
netstat(1)
inetinit.cf(4)
E-20 Issue 3