diff options
Diffstat (limited to 'passt.1')
| -rw-r--r-- | passt.1 | 29 |
1 files changed, 27 insertions, 2 deletions
@@ -180,8 +180,33 @@ to allow mapping of local traffic to guest and target namespace. See the .TP .BR \-i ", " \-\-interface " " \fIname Use host interface \fIname\fR to derive addresses and routes. -Default is to use the interfaces with the first default routes for each IP -version. +Default is to use the interfaces specified by \fB--outbound-if4\fR and +\fB--outbound-if6\fR, for IPv4 and IPv6 addresses and routes, respectively. If +no interfaces are given, the interface with the first default routes for each IP +version is selected. + +.TP +.BR \-o ", " \-\-outbound " " \fIaddr +Use an IPv4 \fIaddr\fR as source address for IPv4 outbound TCP connections, UDP +flows, ICMP requests, or an IPv6 \fIaddr\fR for IPv6 ones, by binding outbound +sockets to it. +This option can be specified zero (for defaults) to two times (once for IPv4, +once for IPv6). +By default, the source address is selected by the routing tables. + +.TP +.BR \-\-outbound-if4 " " \fIname +Bind IPv4 outbound sockets to host interface \fIname\fR, and, unless another +interface is specified via \fB-i\fR, \fB--interface\fR, use this interface to +derive IPv4 addresses and routes. +By default, the interface given by the default route is selected. + +.TP +.BR \-\-outbound-if6 " " \fIname +Bind IPv6 outbound sockets to host interface \fIname\fR, and, unless another +interface is specified via \fB-i\fR, \fB--interface\fR, use this interface to +derive IPv6 addresses and routes. +By default, the interface given by the default route is selected. .TP .BR \-D ", " \-\-dns " " \fIaddr |