passt.1: Default host interfaces are now selected based on IP version

Reflect the changes from commit 4b2e018d70 ("Allow different
external interfaces for IPv4 and IPv6 connectivity") into the manual.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2022-07-30 22:17:07 +02:00
parent 16f5586bb8
commit 0070e35d2b

13
passt.1
View file

@ -138,8 +138,8 @@ Assign IPv4 \fIaddr\fR via DHCP (\fByiaddr\fR), or \fIaddr\fR via DHCPv6 (option
for an IPv6 \fIaddr\fR. for an IPv6 \fIaddr\fR.
This option can be specified zero (for defaults) to two times (once for IPv4, This option can be specified zero (for defaults) to two times (once for IPv4,
once for IPv6). once for IPv6).
By default, assigned IPv4 and IPv6 addresses are taken from the host interface By default, assigned IPv4 and IPv6 addresses are taken from the host interfaces
with the first default route. with the first default route for the corresponding IP version.
.TP .TP
.BR \-n ", " \-\-netmask " " \fImask .BR \-n ", " \-\-netmask " " \fImask
@ -153,8 +153,8 @@ according to the CIDR block of the assigned address (RFC 4632).
.BR \-M ", " \-\-mac-addr " " \fIaddr .BR \-M ", " \-\-mac-addr " " \fIaddr
Use source MAC address \fIaddr\fR when communicating to the guest or to the Use source MAC address \fIaddr\fR when communicating to the guest or to the
target namespace. target namespace.
Default is to use the MAC address of the interface with the first default route Default is to use the MAC address of the interface with the first IPv4 default
on the host. route on the host.
.TP .TP
.BR \-g ", " \-\-gateway " " \fIaddr .BR \-g ", " \-\-gateway " " \fIaddr
@ -163,7 +163,7 @@ Assign IPv4 \fIaddr\fR as default gateway via DHCP (option 3), or IPv6
This option can be specified zero (for defaults) to two times (once for IPv4, This option can be specified zero (for defaults) to two times (once for IPv4,
once for IPv6). once for IPv6).
By default, IPv4 and IPv6 addresses are taken from the host interface with the By default, IPv4 and IPv6 addresses are taken from the host interface with the
first default route. first default route for the corresponding IP version.
Note: these addresses are also used as source address for packets directed to Note: these addresses are also used as source address for packets directed to
the guest or to the target namespace having a loopback or local source address, the guest or to the target namespace having a loopback or local source address,
@ -173,7 +173,8 @@ to allow mapping of local traffic to guest and target namespace. See the
.TP .TP
.BR \-i ", " \-\-interface " " \fIname .BR \-i ", " \-\-interface " " \fIname
Use host interface \fIname\fR to derive addresses and routes. Use host interface \fIname\fR to derive addresses and routes.
Default is to use the interface with the first default route. Default is to use the interfaces with the first default routes for each IP
version.
.TP .TP
.BR \-D ", " \-\-dns " " \fIaddr .BR \-D ", " \-\-dns " " \fIaddr