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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHORS | SEE ALSO | COLOPHON |
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PPPOE-DISCOVERY(8) System Manager's Manual PPPOE-DISCOVERY(8)
pppoe-discovery - perform PPPoE discovery
pppoe-discovery [ options ]
pppoe-discovery { -V | -h }
pppoe-discovery performs the same discovery process as pppoe, but
does not initiate a session. It sends a PADI packet and then
prints the names of access concentrators in each PADO packet it
receives.
-I interface
The -I option specifies the Ethernet interface to use.
Under Linux, it is typically eth0 or eth1. The interface
should be “up” before you start pppoe-discovery, but should
not be configured to have an IP address. This option is
mandatory.
-D file_name
The -D option causes every packet to be dumped to the
specified file_name. This is intended for debugging only.
-U
Causes pppoe-discovery to use the Host-Uniq tag in its
discovery packets. This lets you run multiple instances of
pppoe-discovery and/or pppoe without having their discovery
packets interfere with one another. You must supply this
option to all instances that you intend to run
simultaneously.
-S service_name
Specifies the desired service name. pppoe-discovery will
only accept access concentrators which can provide the
specified service. In most cases, you should not specify
this option. Use it only if you know that there are
multiple access concentrators or know that you need a
specific service name.
-C ac_name
Specifies the desired access concentrator name.
pppoe-discovery will only accept the specified access
concentrator. In most cases, you should not specify this
option. Use it only if you know that there are multiple
access concentrators. If both the -S and -C options are
specified, they must both match.
-A
This option is accepted for compatibility with pppoe, but
has no effect.
-V | -h
Either of these options causes pppoe-discovery to print its
version number and usage information, then exit.
pppoe-discovery was written by Marco d'Itri <[email protected]>, based
on pppoe by Dianne Skoll <[email protected]>.
pppoe(8), pppoe-sniff(8)
This page is part of the ppp (An implementation of the Point-to-
Point Protocol (PPP)) project. Information about the project can
be found at ⟨https://ppp.samba.org/⟩. If you have a bug report
for this manual page, see
⟨https://github.com/paulusmack/ppp/issues⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/paulusmack/ppp⟩ on 2025-08-11. (At that time,
the date of the most recent commit that was found in the
repository was 2025-07-19.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
PPPOE-DISCOVERY(8)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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