Document -4.

9c112efc · Juliusz Chroboczek · abbbc847 · 9c112efc
Commit 9c112efc authored Jan 02, 2008 by Juliusz Chroboczek
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babel.man babel.man +4 -0

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--- a/babel.man
+++ b/babel.man
@@ -63,6 +63,10 @@ Specify a value that will be added to routes' metrics before
 installing them in the kernel; this is useful when a single node
 participates in multiple routing protocols.  The default is 0.
 .TP
+.B \-4
+Participate in IPv4 routing.  IPv4 forwarding will happen on all
+interfaces that have been assigned an IPv4 address.
+.TP
 .B \-s
 Do not perform split-horizon processing on wired interfaces.
 Split-horizon is never performed on wireless interfaces.