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Merge pull request #4187 from donaldsharp/doc_pim

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doc: Cleanup output of new PIM-EVPN doc
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Mark Stapp 2019-04-24 15:18:27 -04:00 committed by GitHub
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doc/user/pim.rst
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@ -506,20 +506,25 @@ Clear commands reset various variables.
PIM EVPN configuration
======================
To use PIM in the underlay for overlay BUM forwarding associate a
multicast group with the L2 VNI. The actual configuration is based
on your distribution. Here is an ifupdown2 example -
auto vx-10100
iface vx-10100
vxlan-id 10100
bridge-access 100
vxlan-local-tunnelip 27.0.0.11
vxlan-mcastgrp 239.1.1.100 >>>>>>>>
PIM will see the vxlan configuration and auto configure state to properly
forward BUM traffic.
To use PIM in the underlay for overlay BUM forwarding associate a multicast
group with the L2 VNI. The actual configuration is based on your distribution.
Here is an ifupdown2 example::
auto vx-10100
iface vx-10100
vxlan-id 10100
bridge-access 100
vxlan-local-tunnelip 27.0.0.11
vxlan-mcastgrp 239.1.1.100
.. note::
PIM will see the ``vxlan-mcastgrp`` configuration and auto configure state
to properly forward BUM traffic.
PIM also needs to be configured in the underlay to allow the BUM MDT to be
setup. This is existing PIM configuration:
PIM also needs to be configured in the underlay to allow the BUM MDT to
be setup. This is existing PIM configuration -
- Enable pim on the underlay L3 interface via the "ip pim" command.
- Configure RPs for the BUM multicast group range.
- Ensure the PIM is enabled on the lo of the VTEPs and the RP.