Commit 61e68693 authored by Juliusz Chroboczek's avatar Juliusz Chroboczek

Document the change to the broadcast_txcost default.

parent 39e23c4f
......@@ -92,13 +92,16 @@ Do not perform split-horizon processing on wired interfaces.
Split-horizon is never performed on wireless interfaces.
.TP
.B \-b
Generate messages for detecting bidirectional communication failures
on wired interfaces. By default, wired interfaces are assumed to be
symmetric.
Use a single broadcast message for reverse reachability information on
wired interfaces rather then messages specific to each peer. This
will slightly reduce traffic on interfaces with many neighbours, but
will disable detection of asymmetric links, and is therefore not
recommended. Messages specific to each peer are always sent on
wireless interfaces.
.TP
.B \-P
Run in parasitic (passive) mode. The daemon will not announce any
routes except for itself.
routes except to itself.
.TP
.BI \-d " level"
Debug level. A value of 1 requests a routing table dump at every
......@@ -132,14 +135,21 @@ The list of interfaces on which the protocol should operate.
By default, the daemon optimises traffic on wired interfaces by
sending fewer periodic hello messages, performing split-horizon
processing and not generating any reverse reachability information.
These optimisations can be disabled using the
.BR -H ,
.B -s
These optimisations can be disabled by using the
.B -H
and
.B -b
.B -s
options respectively.
No link cost estimation is performed on wired interfaces: a wired
By default, detection of asymmetric links is performed on wired
interfaces just like on wireless ones. By specifying the
.B -b
option, reverse reachability information will not be sent on wired
links, which will disable detection of asymmetric links for all wired
peers, at the benefit of a very slight decrease in traffic. This is
not recommended.
No link cost estimation is ever performed on wired interfaces: a wired
adjacency is assumed to be up if at least one of the last three hello
messages has been received, and down otherwise.
.SH FILES
......
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