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One piece of information that setup requests is the name and IP address for adminhost. In /etc/exports, adminhost is granted root access to / so that it can access and modify the configuration files in /etc. All other NFS clients are granted access only to /home. If no adminhost is specified, then all clients are granted root access to /. This is not recommended for sites where security is a concern.
If an adminhost is specified, then an additional line is added to the /etc/hosts file to point the default mailhost to the adminhost. This is used by the autosupport daemon (see na_autosupport(8)) to send email notification.
If a default gateway is provided to setup, it will be used in /etc/rc to specify a default route (see na_route(1)), and will also be used as the first entry in /etc/dgateways.
The hostname that is provided to setup is used to construct default names for all of the configured network interfaces. Ethernet interfaces are given names host_name-0, hostname-1, and so on.
setup [-e <ifname>:<ipv4 address | [ipv6 address]>:<netmask | prefixlen>,...] [-d <DNS domain name>:<DNSserver ipv4 address | [DNSserver ipv6 address]>:...] [-n <NIS domain name>:<NISserver ipv4 address | [NISserver ipv6 address]>:...] [-a <ipv4 address | [ipv6 address]> <name>:<ipv4 address | [ipv6 address]>] [-p <root password>]
The -e option allows the bindings of the IP addresses of the vfiler to be created.
Put IPv6 address in square brackets for example [ef::81]. With -e option, provide netmask with ipv4 address and prefixlen with ipv6 address. netmask is of the form a.b.c.d where all of a,b,c,d should be in the range 0-255. prefixlen provided with ipv6 while using -e option is an integer in the range 0-128.
The -d option allows the specification of a DNS domain name and the IP addresses of one or more DNS servers. The -n option allows the specification of an NIS domain name and the IP addresses of one or more NIS servers (or the use of broadcast discovery by using * as the NIS server name). The -a option allows the admin hosts name and IP address to be specified. Finally, the -p option allows the password of the root user of this vfiler to be set.
As the /etc/rc file is rewritten after running the setup command in vfiler0, all aliases, mtu and vlans configured earlier in the /etc/rc file will be lost. If these settings are required, they will have to be added to the /etc/rc file again before reboot. It is recommended to verify the /etc/rc file for these configurations, after running the setup command.
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