Description

multicast traffic drops when commit is performed on the SRX

Solution

  • If the below configuration is present on the SRX for Multicast traffic, a commit might cause traffic disruption for multicast traffic.

set routing-instances VR-RI protocols pim rp static address 10.1.1.5 

  • The reason for the multicast traffic drop is due to the interface flap caused by commit.

RPD_IFL_NOTIFICATION: EVENT <Delete UpDown> ppd0.32783

  • 10.1.1.5 is the ip-address used in PIM RP local causing a conflict with the PIM RP static.

 

Workaround to fix the flap of the interface is deactivate the address static from the routing instance VR-RI and test.

root@srx1500# deactivate routing-instances VR-RI protocols pim rp static address 10.1.1.5  

 

Modification History

2025-04-16 : Article Created