More docs for enabling the netblock option.

git-svn-id: file:///svn/unbound/trunk@3805 be551aaa-1e26-0410-a405-d3ace91eadb9

diff --git a/doc/example.conf.in b/doc/example.conf.in
index 768ee9debedeeace91b6a2d8d4c486478f877189..d7caf3827f899fbbbb94f4a7cc3ab50aefc7aa35 100644 (file)
--- a/doc/example.conf.in
+++ b/doc/example.conf.in
@@ -52,6 +52,15 @@ server:
        # outgoing-interface: 192.0.2.153
        # outgoing-interface: 2001:DB8::5
        # outgoing-interface: 2001:DB8::6
+       
+       # Specify a netblock to use remainder 64 bits as random bits for
+       # upstream queries.  Uses freebind option (Linux).
+       # outgoing-interface: 2001:DB8::/64
+       # Also (Linux:) ip -6 addr add 2001:db8::/64 dev lo
+       # And: ip -6 route add local 2001:db8::/64 dev lo
+       # And set prefer-ip6: yes to use the ip6 randomness from a netblock.
+       # Set this to yes to prefer ipv6 upstream servers over ipv4.
+       # prefer-ip6: no
 
        # number of ports to allocate per thread, determines the size of the
        # port range that can be open simultaneously.  About double the

diff --git a/doc/unbound.conf.5.in b/doc/unbound.conf.5.in
index 3393806255034fc1cda782c0a584636bbf9fcd23..cbc421ab21a4a072d61134ce8124cd80f44dbd26 100644 (file)
--- a/doc/unbound.conf.5.in
+++ b/doc/unbound.conf.5.in
@@ -149,6 +149,10 @@ options, but do not specify both an individual IPv6 address and an IPv6
 netblock, or the randomisation will be compromised.  Consider combining with
 .B prefer\-ip6: yes
 to increase the likelihood of IPv6 nameservers being selected for queries.
+On Linux you need these two commands to be able to use the freebind socket
+option to receive traffic for the ip6 netblock:
+ip -6 addr add mynetblock/64 dev lo &&
+ip -6 route add local mynetblock/64 dev lo
 .TP
 .B outgoing\-range: \fI<number>
 Number of ports to open. This number of file descriptors can be opened per