From cb96885b2add6496f0de2cb1a3510f3ecbee43ad Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko <seversss265@gmail.com> Date: Sat, 30 Nov 2019 15:22:57 +0200 Subject: bgp: add section RPKI --- docs/routing/bgp.rst | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'docs') diff --git a/docs/routing/bgp.rst b/docs/routing/bgp.rst index 4fac4889..1bb33aee 100644 --- a/docs/routing/bgp.rst +++ b/docs/routing/bgp.rst @@ -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 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 -- cgit v1.2.3