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Doc: Document automatic RPKI reload

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Ondrej Zajicek (work) 2021-03-15 17:51:33 +01:00
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@ -875,6 +875,19 @@ inherited from templates can be updated by new definitions.
possible to show them using <cf/show route filtered/. Note that this possible to show them using <cf/show route filtered/. Note that this
option does not work for the pipe protocol. Default: off. option does not work for the pipe protocol. Default: off.
<tag><label id="proto-rpki-reload">rpki reload <m/switch/</tag>
Import or export filters may depend on route RPKI status (using
<cf/roa_check()/ operator). In contrast to to other filter operators,
this status for the same route may change as the content of ROA tables
changes. When this option is active, BIRD activates automatic reload of
affected channels whenever ROA tables are updated (after a short settle
time). When disabled, route reloads have to be requested manually. The
option is ignored if <cf/roa_check()/ is not used in channel filters.
Note that for BGP channels, automatic reload requires
<ref id="bgp-import-table" name="import table"> or
<ref id="bgp-export-table" name="export table"> (for respective
direction). Default: on.
<tag><label id="proto-import-limit">import limit [<m/number/ | off ] [action warn | block | restart | disable]</tag> <tag><label id="proto-import-limit">import limit [<m/number/ | off ] [action warn | block | restart | disable]</tag>
Specify an import route limit (a maximum number of routes imported from Specify an import route limit (a maximum number of routes imported from
the protocol) and optionally the action to be taken when the limit is the protocol) and optionally the action to be taken when the limit is
@ -4761,21 +4774,21 @@ protocol rip {
<sect1>Introduction <sect1>Introduction
<p>The Resource Public Key Infrastructure (RPKI) is mechanism for origin <p>The Resource Public Key Infrastructure (RPKI) is mechanism for origin
validation of BGP routes (RFC 6480). BIRD supports only so-called RPKI-based validation of BGP routes (<rfc id="6480">). BIRD supports only so-called
origin validation. There is implemented RPKI to Router (RPKI-RTR) protocol (RFC RPKI-based origin validation. There is implemented RPKI to Router (RPKI-RTR)
6810). It uses some of the RPKI data to allow a router to verify that the protocol (<rfc id="6810">). It uses some of the RPKI data to allow a router to
autonomous system announcing an IP address prefix is in fact authorized to do verify that the autonomous system announcing an IP address prefix is in fact
so. This is not crypto checked so can be violated. But it should prevent the authorized to do so. This is not crypto checked so can be violated. But it
vast majority of accidental hijackings on the Internet today, e.g. the famous should prevent the vast majority of accidental hijackings on the Internet today,
Pakastani accidental announcement of YouTube's address space. e.g. the famous Pakistani accidental announcement of YouTube's address space.
<p>The RPKI-RTR protocol receives and maintains a set of ROAs from a cache <p>The RPKI-RTR protocol receives and maintains a set of ROAs from a cache
server (also called validator). You can validate routes (RFC 6483) using server (also called validator). You can validate routes (<rfc id="6483">,
function <cf/roa_check()/ in filter and set it as import filter at the BGP <rfc id="6811">) using function <cf/roa_check()/ in filter and set it as import
protocol. BIRD should re-validate all of affected routes after RPKI update by filter at the BGP protocol. BIRD offers crude automatic re-validating of
RFC 6811, but we don't support it yet! You can use a BIRD's client command affected routes after RPKI update, see option <ref id="proto-rpki-reload"
<cf>reload in <m/bgp_protocol_name/</cf> for manual call of revalidation of all name="rpki reload">. Or you can use a BIRD client command <cf>reload in
routes. <m/bgp_protocol_name/</cf> for manual call of revalidation of all routes.
<sect1>Supported transports <sect1>Supported transports
<p> <p>