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.. _ripng:
*****
RIPng
*****
*ripngd* supports the RIPng protocol as described in :rfc:`2080`. It's an IPv6
reincarnation of the RIP protocol.
.. _invoking-ripngd:
Invoking ripngd
===============
.. include:: config-include.rst
There are no `ripngd` specific invocation options. Common options can be
specified (:ref:`common-invocation-options`).
.. _ripngd-configuration:
ripngd Configuration
====================
Currently ripngd supports the following commands:
.. clicmd:: router ripng [vrf NAME]
Enable RIPng.
.. clicmd:: network NETWORK
Set RIPng enabled interface by NETWORK.
.. clicmd:: network IFNAME
Set RIPng enabled interface by IFNAME.
.. clicmd:: route NETWORK
Set RIPng static routing announcement of NETWORK.
.. clicmd:: allow-ecmp [1-MULTIPATH_NUM]
Control how many ECMP paths RIPng can inject for the same prefix. If specified
without a number, a maximum is taken (compiled with ``--enable-multipath``).
.. _ripngd-terminal-mode-commands:
ripngd Terminal Mode Commands
=============================
.. clicmd:: show ipv6 ripng [vrf NAME] status
.. clicmd:: show debugging ripng
.. clicmd:: debug ripng events
.. clicmd:: debug ripng packet
.. clicmd:: debug ripng zebra
ripngd Filtering Commands
=========================
RIPng routes can be filtered by a distribute-list.
.. clicmd:: distribute-list [prefix] LIST <in|out> IFNAME
You can apply access lists to the interface with a `distribute-list` command.
If prefix is specified LIST is a prefix-list. If prefix is not specified
then LIST is the access list name. `in` specifies packets being received,
and `out` specifies outgoing packets. Finally if an interface is specified
it will be applied against a specific interface.
The ``distribute-list`` command can be used to filter the RIPNG path.
``distribute-list`` can apply access-lists to a chosen interface. First, one
should specify the access-list. Next, the name of the access-list is used in
the distribute-list command. For example, in the following configuration
``eth0`` will permit only the paths that match the route 10.0.0.0/8
.. code-block:: frr
!
router ripng
distribute-list private in eth0
!
access-list private permit 10 10.0.0.0/8
access-list private deny any
!
`distribute-list` can be applied to both incoming and outgoing data.
.. _ripng-route-map:
RIPng route-map
===============
Usage of *ripngd*'s route-map support.
Route-map statement (:ref:`route-map`) is needed to use route-map
functionality.
.. clicmd:: match interface WORD
This command match to incoming interface. Notation of this match is
different from Cisco. Cisco uses a list of interfaces - NAME1 NAME2 ...
NAMEN. Ripngd allows only one name (maybe will change in the future). Next -
Cisco means interface which includes next-hop of routes (it is somewhat
similar to "ipv6 next-hop" statement). Ripngd means interface where this route
will be sent. This difference is because "next-hop" of same routes which
sends to different interfaces must be different.
.. clicmd:: match ipv6 address WORD
.. clicmd:: match ipv6 address prefix-list WORD
Match if route destination is permitted by access-list/prefix-list.
.. clicmd:: match metric (0-4294967295)
This command match to the metric value of RIPng updates. For other protocol
compatibility metric range is shown as (0-4294967295). But for RIPng protocol
only the value range (0-16) make sense.
.. clicmd:: set ipv6 next-hop local IPV6_ADDRESS
Set the link-local IPv6 nexthop address.
.. clicmd:: set metric (1-16)
Set a metric for matched route when sending announcement. The metric value
range is very large for compatibility with other protocols. For RIPng, valid
metric values are from 1 to 16.
.. clicmd:: set tag (1-4294967295)
Set a tag on the matched route.
Sample configuration
====================
.. code-block:: frr
debug ripng events
debug ripng packet
router ripng
network sit1
route 3ffe:506::0/32
distribute-list local-only out sit1
ipv6 access-list local-only permit 3ffe:506::0/32
ipv6 access-list local-only deny any
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