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IFALIASES(5) NetBSD File Formats Manual IFALIASES(5)
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by Kimmo Suominen.
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ifaliases -- interface aliases file
The ifaliases file specifies the additional addresses (aliases) that each
interface has. ifaliases is processed by /etc/rc.d/network at system
Each line of the file is of the form:
address interface [netmask]
The address is a network address of the alias. This must be a number, or
must be in /etc/hosts, since the nameserver is not running at this point.
The interface is the network interface the alias will be configured on.
The netmask is the netmask of the alias' network address. Although this
is optional, omitting the netmask is discouraged. Omission results in
the use of the classful netmask associated with address.
The ifaliases file appeared in NetBSD 1.2.
ifaliases assumes IPv4, and does not support other protocol families.
Please check rc.conf(5) for alternatives like /etc/ifconfig.xxN.
NetBSD 9.2 November 17, 2000 NetBSD 9.2