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-rw-r--r--passt.110
1 files changed, 10 insertions, 0 deletions
diff --git a/passt.1 b/passt.1
index 79d134d..5ac2962 100644
--- a/passt.1
+++ b/passt.1
@@ -328,6 +328,16 @@ Disable Router Advertisements. Router Solicitations coming from guest or target
namespace will be ignored.
.TP
+.BR \-\-freebind
+Allow any binding address to be specified for \fB-t\fR and \fB-u\fR
+options. Usually binding addresses must be addresses currently
+configured on the host. With \fB\-\-freebind\fR, the
+\fBIP_FREEBIND\fR or \fBIPV6_FREEBIND\fR socket option is enabled
+allowing any address to be used. This is typically used to bind
+addresses which might be configured on the host in future, at which
+point the forwarding will immediately start operating.
+
+.TP
.BR \-\-map-host-loopback " " \fIaddr
Translate \fIaddr\fR to refer to the host. Packets from the guest to
\fIaddr\fR will be redirected to the host. On the host such packets