Description

QFX5120 [22.2R3] RPD crash causes evpn neighbors flap

Symptoms

>>> Log messages before RPD core-dumped:


Apr 26 12:17:48 PC068-TAPSW-5120-001 l2ald[11079]: %DAEMON-3: rpdd: pipe is now flow blocked

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_SHOP_STATE_DOWN: local discriminator: 16, new state: down, interface: ae50.0, peer addr: 172.100.1.1

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_MHOP_STATE_DOWN: local discriminator: 17, new state: down, peer addr: 172.100.0.4

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_MHOP_STATE_DOWN: local discriminator: 18, new state: down, peer addr: 172.100.0.5

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_MHOP_STATE_DOWN: local discriminator: 19, new state: down, peer addr: 172.100.0.6

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_MHOP_STATE_DOWN: local discriminator: 20, new state: down, peer addr: 172.100.0.1

Apr 26 12:17:51 PC068-TAPSW-5120-001 bfdd[11054]: %DAEMON-4-BFDD_TRAP_MHOP_STATE_DOWN: local discriminator: 21, new state: down, peer addr: 172.100.0.3

Apr 26 12:17:51 PC068-TAPSW-5120-001 jlaunchd[9462]: %AUTH-3: routing (PID 11039) terminated by signal number 6. Core dumped!


Solution

This issue is fixed via following PR: https://prsearch.juniper.net/problemreport/PR1723832

Modification History

2025-07-04 : Article Created