pppd: defaultroute6 is not frequent option and should not be used (#257)

[ppp.git] / pppd / pppd.8

diff --git a/pppd/pppd.8 b/pppd/pppd.8
index 781f4dbf109e2dcf723027a7fb548afa57ea1f7c..95051bf028c0885e8e3b3842c9f0dc355f89a40d 100644 (file)
--- a/pppd/pppd.8
+++ b/pppd/pppd.8
@@ -127,12 +127,6 @@ is no other default route with the same metric.  With the default
 value of -1, the route is only added if there is no default route at
 all.
 .TP
 value of -1, the route is only added if there is no default route at
 all.
 .TP

-.B defaultroute6
-Add a default IPv6 route to the system routing tables, using the peer as
-the gateway, when IPv6CP negotiation is successfully completed.
-This entry is removed when the PPP connection is broken.  This option
-is privileged if the \fInodefaultroute6\fR option has been specified.
-.TP

 .B replacedefaultroute
 This option is a flag to the defaultroute option. If defaultroute is
 set and this flag is also set, pppd replaces an existing default route
 .B replacedefaultroute
 This option is a flag to the defaultroute option. If defaultroute is
 set and this flag is also set, pppd replaces an existing default route


@@ -354,6 +348,17 @@ Disable MRU [Maximum Receive Unit] negotiation.  With this option,
 pppd will use the default MRU value of 1500 bytes for both the
 transmit and receive direction.
 .TP
 pppd will use the default MRU value of 1500 bytes for both the
 transmit and receive direction.
 .TP

+.B defaultroute6
+Add a default IPv6 route to the system routing tables, using the peer as
+the gateway, when IPv6CP negotiation is successfully completed.
+This entry is removed when the PPP connection is broken.  This option
+is privileged if the \fInodefaultroute6\fR option has been specified.
+\fBWARNING: Do not enable this option by default\fR.  IPv6 routing tables
+are managed by kernel (as apposite to IPv4) and IPv6 default route is
+configured by kernel automatically too based on ICMPv6 Router Advertisement
+packets.  This option may conflict with kernel IPv6 route setup and should
+be used only for broken IPv6 networks.
+.TP

 .B deflate \fInr,nt
 Request that the peer compress packets that it sends, using the
 Deflate scheme, with a maximum window size of \fI2**nr\fR bytes, and
 .B deflate \fInr,nt
 Request that the peer compress packets that it sends, using the
 Deflate scheme, with a maximum window size of \fI2**nr\fR bytes, and