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bgp: add section RPKI

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Viacheslav Hletenko 2019-11-30 15:22:57 +02:00
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docs/routing/bgp.rst
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@ -147,3 +147,41 @@ Route filter can be applied using a route-map:
We could expand on this and also deny link local and multicast in the rule 20 We could expand on this and also deny link local and multicast in the rule 20
action deny. action deny.
RPKI
^^^^
:abbr:`RPKI (Resource Public Key Infrastructure)` is a framework :abbr:`PKI (Public Key Infastucrure)`
designed to secure the Internet routing insfratructure.
It associate a BGP route announcement with the correct originating :abbr:`ASN (Autonomus System Number)` and check it validation.
RPKI described in :rfc:`6480`. This is a separate server. You can find more details at RIPE-NNC_.
Imported prefixes during the validation may have values: valid, invalid and notfound.
* The valid state means that prefix and ASN that originated it match the :abbr:`ROA (Route Origination Authorizations)` base.
* Invalid means that prefix/prefix length and ASN that originated it doesn't match with ROA.
* Notfound means that prefix not found in ROA.
We can build route-maps for import, based on these states.
Simple RPKI configuration, where 'routinator' - RPKI cache server with ip '10.11.11.1'.
.. code-block:: none
set protocols rpki cache routinator address '10.11.11.1'
set protocols rpki cache routinator port '3323'
Example route-map for import. We can set local-preference logic based on states.
Also we may not import prefixes with the state 'invalid'.
.. code-block:: none
set policy route-map ROUTES-IN rule 10 action 'permit'
set policy route-map ROUTES-IN rule 10 match rpki 'valid'
set policy route-map ROUTES-IN rule 10 set local-preference '300'
set policy route-map ROUTES-IN rule 20 action 'permit'
set policy route-map ROUTES-IN rule 20 match rpki 'notfound'
set policy route-map ROUTES-IN rule 20 set local-preference '125'
set policy route-map ROUTES-IN rule 30 action 'deny'
set policy route-map ROUTES-IN rule 30 match rpki 'invalid'
.. _RIPE-NNC: https://github.com/RIPE-NCC/rpki-validator-3/wiki