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.TH "interfaces-vrf" "5" "2024-05-06"
.PP
.SH NAME
.PP
\fBinterfaces-vrf\fR - VRF extensions for the interfaces(5) file format
.PP
.SH DESCRIPTION
.PP
Linux has support for Virtual Routing and Forwarding (VRF) instances
since Kernel >= 4.\&4.\& The following options allow to set up VRFs and
adding configured interfaces to VRFs.\&
.PP
Note that in the Linux Kernel VRFs are represented as network interfaces,
too.\& See https://www.\&kernel.\&org/doc/Documentation/networking/vrf.\&rst for
more details.\&
.PP
.SH VRF-RELATED OPTIONS
.PP
\fBvrf-table\fR \fItable id\fR
.RS 4
The \fIid\fR of the kernel routing table associated with this
VRF interface.\& This parameter indicates that the interface
where it is specified shall be a VRF.\&
.PP
.RE
\fBvrf\fR \fIvrf interface\fR
.RS 4
The \fIvrf\fR the interface should be assigned to.\& This parameter
is specified on regular interfaces which should be within the
given \fIvrf\fR.\&
.PP
.RE
.SH EXAMPLES
.PP
A VRF interface:
.PP
.nf
.RS 4
auto vrf_external
iface vrf_external
	vrf-table 1023
.fi
.RE
.PP
A regular interface which should be within a VRF:
.PP
.nf
.RS 4
auto eth0
iface eth0
	address 192\&.2\&.0\&.42/24
	address 2001:db8::42/64
	gateway 192\&.2\&.0\&.1
	gateway 2001:db::1
	vrf vrf_external
.fi
.RE
.PP
.SH SEE ALSO
.PP
\fBip-vrf\fR(8)
\fBip-link\fR(8)
.PP
.SH AUTHORS
.PP
Maximilian Wilhelm <max@sdn.\&clinic>