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| -rw-r--r-- | docs/_static/images/vyos_1_5_nat66_dhcpv6_wdummy.png | bin | 0 -> 349078 bytes | |||
| -rw-r--r-- | docs/configuration/nat/nat66.rst | 97 |
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diff --git a/docs/_static/images/vyos_1_5_nat66_dhcpv6_wdummy.png b/docs/_static/images/vyos_1_5_nat66_dhcpv6_wdummy.png Binary files differnew file mode 100644 index 00000000..297fdd11 --- /dev/null +++ b/docs/_static/images/vyos_1_5_nat66_dhcpv6_wdummy.png diff --git a/docs/configuration/nat/nat66.rst b/docs/configuration/nat/nat66.rst index 93dd3353..146ed381 100644 --- a/docs/configuration/nat/nat66.rst +++ b/docs/configuration/nat/nat66.rst @@ -137,3 +137,100 @@ R2: set interfaces bridge br1 member interface eth1 set protocols static route6 ::/0 next-hop fc01::1 set service router-advert interface br1 prefix ::/0 + + +Use the following topology to translate internal user local addresses (``fc::/7``) +to DHCPv6-PD provided prefixes from an ISP connected to a VyOS HA pair. + +.. figure:: /_static/images/vyos_1_5_nat66_dhcpv6_wdummy.png + :alt: VyOS NAT66 DHCPv6 using a dummy interface + +Configure both routers (a and b) for DHCPv6-PD via dummy interface: + +.. code-block:: none + + set interfaces dummy dum1 description 'DHCPv6-PD NPT dummy' + set interfaces bonding bond0 vif 20 dhcpv6-options pd 0 interface dum1 address '0' + set interfaces bonding bond0 vif 20 dhcpv6-options pd 1 interface dum1 address '0' + set interfaces bonding bond0 vif 20 dhcpv6-options pd 2 interface dum1 address '0' + set interfaces bonding bond0 vif 20 dhcpv6-options pd 3 interface dum1 address '0' + set interfaces bonding bond0 vif 20 dhcpv6-options rapid-commit + commit + +Get the DHCPv6-PD prefixes from both routers: + +.. code-block:: none + + trae@cr01a-vyos# run show interfaces dummy dum1 br + Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down + Interface IP Address S/L Description + --------- ---------- --- ----------- + dum1 2001:db8:123:b008::/64 u/u DHCPv6-PD NPT dummy + 2001:db8:123:b00a::/64 + 2001:db8:123:b00b::/64 + 2001:db8:123:b009::/64 + + trae@cr01b-vyos# run show int dummy dum1 brief + Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down + Interface IP Address S/L Description + --------- ---------- --- ----------- + dum1 2001:db8:123:b00d::/64 u/u DHCPv6-PD NPT dummy + 2001:db8:123:b00c::/64 + 2001:db8:123:b00e::/64 + 2001:db8:123:b00f::/64 + +Configure the A-side router for NPTv6 using the prefixes above: + +.. code-block:: none + + set nat66 source rule 10 description 'NPT to VLAN 10' + set nat66 source rule 10 outbound-interface name 'bond0.20' + set nat66 source rule 10 source prefix 'fd52:d62e:8011:a::/64' + set nat66 source rule 10 translation address '2001:db8:123:b008::/64' + set nat66 source rule 20 description 'NPT to VLAN 70' + set nat66 source rule 20 outbound-interface name 'bond0.20' + set nat66 source rule 20 source prefix 'fd52:d62e:8011:46::/64' + set nat66 source rule 20 translation address '2001:db8:123:b009::/64' + set nat66 source rule 30 description 'NPT to VLAN 200' + set nat66 source rule 30 outbound-interface name 'bond0.20' + set nat66 source rule 30 source prefix 'fd52:d62e:8011:c8::/64' + set nat66 source rule 30 translation address '2001:db8:123:b00a::/64' + set nat66 source rule 40 description 'NPT to VLAN 240' + set nat66 source rule 40 outbound-interface name 'bond0.20' + set nat66 source rule 40 source prefix 'fd52:d62e:8011:f0::/64' + set nat66 source rule 40 translation address '2001:db8:123:b00b::/64' + commit + +Configure the B-side router for NPTv6 using the prefixes above: + +.. code-block:: none + + set nat66 source rule 10 description 'NPT to VLAN 10' + set nat66 source rule 10 outbound-interface name 'bond0.20' + set nat66 source rule 10 source prefix 'fd52:d62e:8011:a::/64' + set nat66 source rule 10 translation address '2001:db8:123:b00c::/64' + set nat66 source rule 20 description 'NPT to VLAN 70' + set nat66 source rule 20 outbound-interface name 'bond0.20' + set nat66 source rule 20 source prefix 'fd52:d62e:8011:46::/64' + set nat66 source rule 20 translation address '2001:db8:123:b00d::/64' + set nat66 source rule 30 description 'NPT to VLAN 200' + set nat66 source rule 30 outbound-interface name 'bond0.20' + set nat66 source rule 30 source prefix 'fd52:d62e:8011:c8::/64' + set nat66 source rule 30 translation address '2001:db8:123:b00e::/64' + set nat66 source rule 40 description 'NPT to VLAN 240' + set nat66 source rule 40 outbound-interface name 'bond0.20' + set nat66 source rule 40 source prefix 'fd52:d62e:8011:f0::/64' + set nat66 source rule 40 translation address '2001:db8:123:b00f::/64' + commit + +Verify that connections are hitting the rule on both sides: + +.. code-block:: none + + trae@cr01a-vyos# run show nat66 source statistics + Rule Packets Bytes Interface + ------ --------- ------- ----------- + 10 1 104 bond0.20 + 20 1 104 bond0.20 + 30 8093 669445 bond0.20 + 40 2446 216912 bond0.20 |
