show log chassisd output:
Apr 27 17:00:32 adding message to chasssis manager queue, entries = 7 Apr 27 17:00:32 send: clear all Fan 7 alarms Apr 27 17:00:32 adding message to chasssis manager queue, entries = 8 Apr 27 17:00:32 send: clear all Fan 8 alarms Apr 27 17:00:32 adding message to chasssis manager queue, entries = 9 Apr 27 17:00:32 send: clear all Fan 9 alarms Apr 27 17:00:32 adding message to chasssis manager queue, entries = 10 Apr 27 17:00:32 Fru type 5 in ch_do_fru_inits Apr 27 17:00:32 initial startup complete Jun 7 01:43:26 op 2 for ifd ge-0/0/14 Jun 7 01:43:26 op 2 for ifd ge-0/0/15 Jun 7 01:43:26 op 2 for ifd ge-0/0/15 Jun 7 01:43:26 op 2 for ifd ge-4/0/12 Jun 7 01:43:26 op 2 for ifd ge-4/0/12 Jun 7 01:43:27 op 2 for ifd ge-1/0/12 Jun 7 01:43:27 op 2 for ifd ge-1/0/12 Jun 7 01:43:27 op 2 for ifd ge-2/0/24 Jun 7 01:43:27 op 2 for ifd ge-2/0/24 Jun 7 01:43:28 op 2 for ifd ge-3/0/24 Jun 7 01:43:28 op 2 for ifd ge-3/0/24 Jun 7 01:43:28 op 2 for ifd ge-3/0/25 Jun 7 01:43:28 op 2 for ifd ge-3/0/25 Jun 7 01:43:29 op 2 for ifd ge-1/0/5 Jun 7 01:43:29 op 2 for ifd ge-1/0/5 Jun 7 01:43:30 op 2 for ifd ge-2/0/25 Jun 7 01:43:30 op 2 for ifd ge-2/0/25 Jun 7 01:43:30 op 2 for ifd ge-4/0/5 Jun 7 01:43:30 op 2 for ifd ge-4/0/5 Jun 7 01:43:30 op 2 for ifd ge-0/0/46 Jun 7 01:43:30 op 2 for ifd ge-0/0/46 Jun 7 01:43:30 op 2 for ifd ge-1/0/46 Jun 7 01:43:31 op 2 for ifd ge-2/0/3 Jun 7 01:43:31 op 2 for ifd ge-2/0/3 Jun 7 01:43:31 op 2 for ifd ge-3/0/3 Jun 7 01:43:31 op 2 for ifd ge-3/0/3 Jun 7 01:43:33 op 2 for ifd ge-0/0/28 Jun 7 01:43:33 op 2 for ifd ge-0/0/35 Jun 7 01:43:33 op 2 for ifd ge-0/0/35 Jun 7 01:43:33 op 2 for ifd ge-0/0/36 Jun 7 01:43:33 op 2 for ifd ge-0/0/36 Jun 7 01:43:33 op 2 for ifd ge-1/0/6 Jun 7 01:43:33 op 2 for ifd ge-1/0/6 Jun 7 01:43:34 op 2 for ifd ge-4/0/6 Jun 7 01:43:34 op 2 for ifd ge-4/0/6 Jun 7 01:43:34 op 2 for ifd ge-4/0/18 Jun 7 01:43:34 op 2 for ifd ge-4/0/18 Jun 7 01:43:34 op 2 for ifd ge-1/0/18 Jun 7 01:43:34 op 2 for ifd ge-1/0/18 Jun 7 01:43:34 op 2 for ifd ge-1/0/19 Jun 7 01:43:34 op 2 for ifd ge-1/0/19 Jun 7 01:43:35 op 2 for ifd ge-4/0/19 Jun 7 01:43:35 op 2 for ifd ge-5/0/29 Jun 7 01:43:36 op 2 for ifd ge-5/0/29 Jun 7 01:43:36 op 2 for ifd ge-0/0/29 Jun 7 01:43:36 op 2 for ifd ge-0/0/29 Jun 7 01:46:58 op 2 for ifd ge-5/0/10 Jun 7 01:46:59 op 2 for ifd ge-0/0/10 Jun 7 01:46:59 op 2 for ifd ge-0/0/11 Jun 7 01:47:00 op 2 for ifd ge-5/0/11 Jun 7 01:47:03 op 2 for ifd ge-2/0/4 Jun 7 01:47:04 op 2 for ifd ge-3/0/4 Jun 7 01:47:05 op 2 for ifd ge-3/0/3 Jun 7 01:47:06 op 2 for ifd ge-3/0/3 Jun 7 01:47:08 op 2 for ifd ge-2/0/3 Jun 7 01:47:23 op 2 for ifd ge-5/0/17 Jun 7 01:47:24 op 2 for ifd ge-0/0/17 Jun 7 01:47:24 op 2 for ifd ge-5/0/16 Jun 7 01:47:25 op 2 for ifd ge-0/0/16 Jun 7 01:47:31 op 2 for ifd ge-5/0/15 Jun 7 01:47:32 op 2 for ifd ge-0/0/15 Jun 7 01:47:32 op 2 for ifd ge-0/0/14 Jun 7 01:47:33 op 2 for ifd ge-5/0/14
So any revelant info I think...
root@sw-cloud-ex3300-stack> show chassis routing-engine Routing Engine status: Slot 0: Current state Backup Temperature 41 degrees C / 105 degrees F CPU temperature 41 degrees C / 105 degrees F DRAM 1024 Memory utilization 37 percent CPU utilization: User 8 percent Background 0 percent Kernel 7 percent Interrupt 0 percent Idle 85 percent Model EX3300 48-Port Serial ID XXXXXXXXXXXXXX Start time 2016-06-02 13:49:15 CEST Uptime 5 days, 2 hours, 13 minutes, 16 seconds Last reboot reason Router rebooted after a normal shutdown. Load averages: 1 minute 5 minute 15 minute 0.35 0.29 0.25 Routing Engine status: Slot 1: Current state Master Temperature 41 degrees C / 105 degrees F CPU temperature 41 degrees C / 105 degrees F DRAM 1024 Memory utilization 42 percent CPU utilization: User 54 percent Background 0 percent Kernel 45 percent Interrupt 1 percent Idle 0 percent Model EX3300 48-Port Serial ID XXXXXXXXXXXXXX Start time 2016-06-02 12:46:09 CEST Uptime 5 days, 3 hours, 17 minutes, 10 seconds Last reboot reason Router rebooted after a normal shutdown. Load averages: 1 minute 5 minute 15 minute 2.33 1.89 1.80 {master:1} root@sw-cloud-ex3300-stack>
root@sw-cloud-ex3300-stack> show virtual-chassis Preprovisioned Virtual Chassis Virtual Chassis ID: 002b.54b3.16f3 Virtual Chassis Mode: Enabled Mstr Mixed Neighbor List Member ID Status Serial No Model prio Role Mode ID Interface 0 (FPC 0) Prsnt XXXXXXXXXXX ex3300-48t 129 Backup NA 1 vcp-255/1/2 5 vcp-255/1/3 1 (FPC 1) Prsnt XXXXXXXXXXX ex3300-48t 129 Master* NA 0 vcp-255/1/2 2 vcp-255/1/3 2 (FPC 2) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 1 vcp-255/1/2 3 vcp-255/1/3 3 (FPC 3) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 4 vcp-255/1/2 2 vcp-255/1/3 4 (FPC 4) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 3 vcp-255/1/2 5 vcp-255/1/3 5 (FPC 5) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 4 vcp-255/1/2 0 vcp-255/1/3 {master:1} root@sw-cloud-ex3300-stack>
root@sw-cloud-ex3300-stack> show virtual-chassis status Preprovisioned Virtual Chassis Virtual Chassis ID: 002b.54b3.16f3 Virtual Chassis Mode: Enabled Mstr Mixed Neighbor List Member ID Status Serial No Model prio Role Mode ID Interface 0 (FPC 0) Prsnt XXXXXXXXXXX ex3300-48t 129 Backup NA 1 vcp-255/1/2 5 vcp-255/1/3 1 (FPC 1) Prsnt XXXXXXXXXXX ex3300-48t 129 Master* NA 0 vcp-255/1/2 2 vcp-255/1/3 2 (FPC 2) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 1 vcp-255/1/2 3 vcp-255/1/3 3 (FPC 3) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 4 vcp-255/1/2 2 vcp-255/1/3 4 (FPC 4) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 3 vcp-255/1/2 5 vcp-255/1/3 5 (FPC 5) Prsnt XXXXXXXXXXX ex3300-48t 0 Linecard NA 4 vcp-255/1/2 0 vcp-255/1/3 {master:1} root@sw-cloud-ex3300-stack>
I've never had any issue with release 12.3R9 during 1 year.
Recommended release, 12.3R12.4 can be the cause ...