This article provides an option to troubleshoot pfex_junos high in EX4300.
Device running high cpu pfex_junos:
root@ex4300> show system processes extensive | except 0.00
last pid: 55863; load averages: 2.46, 2.42, 2.41 up 11+06:01:37 10:02:58
176 processes: 5 running, 148 sleeping, 23 waiting
Mem: 1115M Active, 37M Inact, 157M Wired, 540M Cache, 112M Buf, 10M Free
Swap:
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU COMMAND
34950 root -52 -52 642M 236M ll_blo 71.9H 53.42% pfex_junos
1967 root 76 0 87284K 41660K RUN 45.4H 12.74% mcsnoopd
34950 root 74 0 642M 236M RUN 71.9H 12.16% pfex_junos
23 root -68 -171 0K 16K WAIT 66:00 3.17% irq41: besw0
I disabled mld-snooping and the pfex junos and mcsnoopd went back to normal values.
# delete protocols mld-snooping
{master:0}[edit]
root@ex4300# run show system processes extensive | except 0.00
last pid: 3641; load averages: 0.35, 0.25, 0.22 up 0+03:03:58 17:33:36
175 processes: 5 running, 146 sleeping, 1 zombie, 23 waiting
Mem: 1088M Active, 43M Inact, 142M Wired, 557M Cache, 112M Buf, 28M Free
10 root 155 52 0K 16K RUN 121:24 75.05% idle
1758 root 74 0 642M 228M poe1 43:02 13.53% pfex_junos
1758 root -52 -52 642M 228M select 43:02 4.00% pfex_junos
1752 root 46 0 74952K 37968K RUN 3:30 0.93% chassisd
1292 root 43 0 34292K 16456K select 2:17 0.05% eventd