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sbin/ifconfig/ifconfig.8
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.Fl g | .Fl g | ||||
is specified before other significant flags like, e.g., | is specified before other significant flags like, e.g., | ||||
.Fl a , | .Fl a , | ||||
.Fl l , | .Fl l , | ||||
or | or | ||||
.Fl C , | .Fl C , | ||||
then | then | ||||
.Nm | .Nm | ||||
lists names of interfaces beloning to | lists names of interfaces belonging to | ||||
.Ar groupname . | .Ar groupname . | ||||
Any other flags and arguments are ignored in this case. | Any other flags and arguments are ignored in this case. | ||||
.Pp | .Pp | ||||
Only one option | Only one option | ||||
.Fl g | .Fl g | ||||
should be specified as later override previous ones | should be specified as later override previous ones | ||||
.Ar groupname | .Ar groupname | ||||
may contain shell patterns in which case it should be quoted. | may contain shell patterns in which case it should be quoted. | ||||
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.Nm | .Nm | ||||
will attempt to load it. | will attempt to load it. | ||||
This flag disables this behavior. | This flag disables this behavior. | ||||
.It Fl u | .It Fl u | ||||
Display only the interfaces that are up. | Display only the interfaces that are up. | ||||
.It Fl v | .It Fl v | ||||
Get more verbose status for an interface. | Get more verbose status for an interface. | ||||
.It Ar address | .It Ar address | ||||
For the DARPA-Internet family, | For the inet family, | ||||
the address is either a host name present in the host name data | the address is either a host name present in the host name data | ||||
base, | base, | ||||
.Xr hosts 5 , | .Xr hosts 5 , | ||||
or a DARPA Internet address expressed in the Internet standard | or a IPv4 address expressed in the Internet standard | ||||
.Dq dot notation . | .Dq dot notation . | ||||
.Pp | .Pp | ||||
It is also possible to use the CIDR notation (also known as the | It is also possible to use the CIDR notation (also known as the | ||||
slash notation) to include the netmask. | slash notation) to include the netmask. | ||||
That is, one can specify an address like | That is, one can specify an address like | ||||
.Li 192.168.0.1/16 . | .Li 192.168.0.1/16 . | ||||
.Pp | .Pp | ||||
For the | For the | ||||
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only routers may configure anycast addresses. | only routers may configure anycast addresses. | ||||
Anycast address will not be used as source address of any of outgoing | Anycast address will not be used as source address of any of outgoing | ||||
IPv6 packets. | IPv6 packets. | ||||
.It Cm arp | .It Cm arp | ||||
Enable the use of the Address Resolution Protocol | Enable the use of the Address Resolution Protocol | ||||
.Pq Xr arp 4 | .Pq Xr arp 4 | ||||
in mapping | in mapping | ||||
between network level addresses and link level addresses (default). | between network level addresses and link level addresses (default). | ||||
This is currently implemented for mapping between DARPA Internet addresses | This is currently implemented for mapping between Internet Protocol addresses | ||||
and IEEE 802 48-bit MAC addresses (Ethernet addresses). | and IEEE 802 48-bit MAC addresses (Ethernet addresses). | ||||
pauamma_gundo.com: Given FreeBSD hasn't supported Token Ring LANs for... IIRC over a decade? I'd remove that while… | |||||
.It Fl arp | .It Fl arp | ||||
Disable the use of the Address Resolution Protocol | Disable the use of the Address Resolution Protocol | ||||
.Pq Xr arp 4 . | .Pq Xr arp 4 . | ||||
.It Cm staticarp | .It Cm staticarp | ||||
If the Address Resolution Protocol is enabled, | If the Address Resolution Protocol is enabled, | ||||
the host will only reply to requests for its addresses, | the host will only reply to requests for its addresses, | ||||
and will never send any requests. | and will never send any requests. | ||||
.It Fl staticarp | .It Fl staticarp | ||||
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Given FreeBSD hasn't supported Token Ring LANs for... IIRC over a decade? I'd remove that while here.