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doc: Add user documentation for AutoRP CLI

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Document the CLI commands to configure AutoRP discovery
and candidate RP announcements.

Signed-off-by: Nathan Bahr <nbahr@atcorp.com>
This commit is contained in:
Nathan Bahr 2024-09-17 02:35:27 +00:00
parent 3b323fc441
commit cbe39620f9
1 changed files with 34 additions and 0 deletions
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34
doc/user/pim.rst
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@ -71,6 +71,31 @@ PIM Routers
prefix of group ranges covered. This command is vrf aware, to configure for
a vrf, specify the vrf in the router pim block.
.. clicmd:: no autorp discovery
In order to use pim, it is necessary to configure a RP for join messages to
be sent to. FRR supports learning RP information dynamically via the AutoRP
protocol and performs discovery by default. This command will disable the
AutoRP discovery protocol.
All routers in the pim network must agree on the network RP information, so
all routers in the network should have AutoRP either enabled or disabled.
This command is vrf aware, to configure for a vrf, specify the vrf in the
router pim block.
.. clicmd:: autorp announce A.B.C.D [A.B.C.D/M | group-list PREFIX_LIST]
Configure the router to advertise itself as a candidate PIM-SM RP via AutoRP.
The supported groups can be defined as a single group range, or multiple
group ranges can be defined via a prefix list.
.. clicmd:: autorp announce {scope (1-255) | interval (1-65535) | holdtime (0-65535)}
Configure the AutoRP advertise messages. The scope defines the TTL value in the
messages to limit the scope, defaults to 31. Interval defines the number of
seconds elapsed between advertise messages sent, defaults to 60. Hold time defines
how long the AutoRP mapping agent will consider the information valid, setting to
0 will disable expiration of the candidate RP information, defaults to 3 * interval.
.. clicmd:: rp keep-alive-timer (1-65535)
Modify the time out value for a S,G flow from 1-65535 seconds at RP.
@ -616,6 +641,11 @@ cause great confusion.
192.168.10.123 239.0.0.0/8 eth2 yes Static ASM
192.168.10.123 239.4.0.0/24 eth2 yes Static SSM
.. clicmd:: show ip pim [vrf NAME] autorp [json]
Display information about AutoRP. Including state of AutoRP Discovery parsing
and configured AutoRP candidate RP information.
.. clicmd:: show ip pim rpf
Display information about currently being used S,G's and their RPF lookup
@ -761,6 +791,10 @@ the config was written out.
This gathers data about events from zebra that come up through the ZAPI.
.. clicmd:: debug pim autorp
This turns on debugging for PIM AutoRP protocol events.
PIM Clear Commands
==================
Clear commands reset various variables.