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[SRX/AutoVPN] AutoVPN (Zero Touch Hub) Multicast routing support on SRX point-to-multipoint secure tunnel interfaces will be deprecated after the Junos 12.1X47 release

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Article ID: KB29140 KB Last Updated: 04 Feb 2015Version: 1.0
Summary:

This article announces the discontinuation of the Junos AutoVPN Multicast routing support on SRX point-to-multipoint secure tunnel interfaces.

Symptoms:

Announcement: AutoVPN Multicast routing support on SRX point-to-multipoint Deprecation


Unsupported configuration:

1) ST0.x interface set for Multipoint mode
  
root@CORPORATE# show interfaces st0
unit 100 {
    multipoint;                 <----multipoint st0 configuration
    family inet {
        address 10.16.18.1/24;
    }
}
2) PIM Protocol enabled on ST0 interface setup for multipoint
root@CORPORATE# show protocols
pim {
    interface st0.100;          <----PIM enabled on multipoint interface
}
Cause:


AutoVPN feature of multicast traffic across the st0 interfaces running in point-to-multi-point mode will no longer be supported after 12.1X47.



Solution:


This feature does not have a SRX Junos replacement beyond 12.1X47. 

PIM configurations on multipoint ST0 interfaces should be removed to prevent commit errors during commit.

   delete protocols pim interface st0.x


NOTE:  Multicast on point-to-point ST0.x interfaces (st0.x interfaces not using multipoint) remains a supported feature.

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