diff options
Diffstat (limited to 'share/man/man4/pppoe.4')
| -rw-r--r-- | share/man/man4/pppoe.4 | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/share/man/man4/pppoe.4 b/share/man/man4/pppoe.4 index 3a426710385..a6af9e09005 100644 --- a/share/man/man4/pppoe.4 +++ b/share/man/man4/pppoe.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: pppoe.4,v 1.33 2017/03/22 21:37:24 jmc Exp $ +.\" $OpenBSD: pppoe.4,v 1.34 2017/06/16 10:58:43 stsp Exp $ .\" $NetBSD: pppoe.4,v 1.26 2003/10/02 07:06:36 wiz Exp $ .\" .\" Copyright (c) 2002 The NetBSD Foundation, Inc. @@ -28,7 +28,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: March 22 2017 $ +.Dd $Mdocdate: June 16 2017 $ .Dt PPPOE 4 .Os .Sh NAME @@ -113,17 +113,19 @@ The physical interface must also be marked .Pp Since this is a PPP interface, the addresses assigned to the interface may change during PPP negotiation. -There is no fine grained control available for deciding -which addresses are acceptable and which are not. -For the local side and the remote address there is exactly one choice: -hard coded address or wildcard. -If a real address is assigned to one side of the connection, -PPP negotiation will only agree to exactly this address. -If one side is wildcarded, -every address suggested by the peer will be accepted. +In the above example, 0.0.0.0 and 0.0.0.1 serve as placeholders for +dynamic address configuration. .Pp -To wildcard the local address set it to 0.0.0.0; to wildcard the remote -address set it to 0.0.0.1. +If the local address is set to wildcard address 0.0.0.0, it will +be changed to an address suggested by the peer. +.Pp +If the destination address is set to a wildcard address in the range +from 0.0.0.1 to 0.0.0.255, it will be changed to an address suggested +by the peer, and if a default route which uses this interface exists +the gateway will be changed to the suggested address as well. +.Pp +Otherwise, PPP negotiation will only agree to exactly the IPv4 addresses +which are configured on the interface. .Sh KERNEL OPTIONS .Nm does not interfere with other PPPoE implementations @@ -254,3 +256,8 @@ The presence of a .Xr mygate 5 file will interfere with the routing table. Make sure this file is either empty or does not exist. +.Pp +Two +.Nm +interfaces configured with the same wildcard destination address +cannot share a routing table. |