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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

Router - Cisco IPv6 Native Config: Difference between revisions

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<pre>
<pre>
#conf t
conf t
#ipv6 source-route
ipv6 source-route
#ipv6 unicast-routing
ipv6 unicast-routing
#ipv6 cef
ipv6 cef
#ipv6 multicast-routing
ipv6 multicast-routing
#ipv6 route ::/0 Dialer0
ipv6 route ::/0 Dialer0
</pre>
</pre>


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<pre>
<pre>
#conf t
conf t
#interface FastEthernet 0/0
interface FastEthernet 0/0
#ipv6 address <your_slash_48>:1::/64 eui-64
ipv6 address <your_slash_48>:1::/64 eui-64
#ipv6 enable
ipv6 enable
#ipv6 nd prefix <your_slash_48>:1::/64
ipv6 nd prefix <your_slash_48>:1::/64
#ipv6 nd managed-config-flag
ipv6 nd managed-config-flag
#ipv6 nd router-preference High
ipv6 nd router-preference High
#ipv6 nd ra interval 60
ipv6 nd ra interval 60
</pre>

EDIT - Feb 2015 - Above didn't work for me, alternative config below

<pre>
! Feb 2015 - Cisco 1841 / FTTC
! LAN Port (I used default /64 on clueless)
!
interface FastEthernet0/0
ipv6 address 2001:8B0:xx:xxxx::1/64
ipv6 enable
ipv6 nd other-config-flag
ipv6 dhcp server ipv6dhcp_pool
!
! Below gives out IPv6 DNS to clients
!
ipv6 dhcp pool ipv6dhcp_pool
dns-server 2001:8B0::2020
dns-server 2001:8B0::2021
</pre>
</pre>


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<pre>
<pre>
ipv6 traffic-filter outboundfilters-ipv6 out
ipv6 traffic-filter outboundfilters-ipv6 out
</pre>

EDIT Feb 2015 - Alternative config below

<pre>
! Feb 2015 - Cisco 1841 / FTTC
! WAN
!
interface Dialer0
ipv6 address dhcp rapid-commit
ipv6 enable
</pre>
</pre>


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ipv6 traffic-filter outboundfilters-ipv6 out
ipv6 traffic-filter outboundfilters-ipv6 out
</pre>
</pre>

If you include the "deny any any" line a "show access-lists ..." will show the number of
packets that have hit that line. Thus you can tell if a problem exists because
the packets are not passing through the access list or failure to communicate is
because of some other problem.



[[Category:3rd Party Routers|Cisco]] [[Category:IPv6]]