X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/tripe/blobdiff_plain/a62f8e8a94bf56194539f7140a1215bc74309b36..fe2a5dcf9de1f124ed3cfa2c6327860bd5aca820:/svc/tripe-ifup.8.in

diff --git a/svc/tripe-ifup.8.in b/svc/tripe-ifup.8.in
index 0fe89d82..440c2842 100644
--- a/svc/tripe-ifup.8.in
+++ b/svc/tripe-ifup.8.in
@@ -101,36 +101,44 @@ a
 command is issued to keep the server informed.  Further configuration is
 performed using the new interface name.
 .hP 2.
-The point-to-point interface is configured.  If
+Configure the interface addresses.  If
 .I laddr
-and
+is set, it should be a space-separated list of IPv4 and IPv6 addresses:
+there may be any number of either.
+If
 .I raddr
-are set, then the interface is configured to be a point-to-point link
-from
-.I laddr
-to
-.IR raddr .
-Both are expected to be network addresses in dotted-quad form.  The
-interface MTU is configured based on the path MTU to the peer's external
-address and the cryptographic algorithms in use by the
-.BR tripe (8)
-server; this can be overridden by setting the
-.I mtu
-key.
+is set, it should be an IPv4 and/or an IPv6 address, separated by space:
+these are the addresses to configure as the remote end point of the
+point-to-point link.  (Further remote addresses can be configured as
+host routes: see below.)  IPv4 addresses are expected to be in
+dotted-quad form; IPv6 addresses should be in RFC4291 hex-and-colons
+form.
 .hP 3.
-Establish routes.  If the interface was configured, and
+Establish routes.  If addresses were configured, and
 .I nets
 is set, then
 .I nets
 is split into space-separated networks.  For each network, of the form
 .IB address / mask \fR,
 a route is configured to the given network, via the remote address of
-the link, over the tunnel interface.
+the link, over the tunnel interface.  The
+.IR address es
+may be IPv4 or IPv6 addresses.  If the interface has only an IPv4
+address then IPv6 routes will be ignored, and
+.IR "vice versa" .
 .hP 4.
+Configure the interface MTU and bring it up.  The
+interface MTU is configured based on the path MTU to the peer's external
+address and the cryptographic algorithms in use by the
+.BR tripe (8)
+server; this can be overridden by setting the
+.I mtu
+key.
+.hP 5.
 Invoke user hook.  If
 .I ifupextra
 is set, it is interpreted as a Bourne shell command and evaluated.
-.hP 5.
+.hP 6.
 Notify services.  A notification
 .RS
 .IP