Sessions Not Closing

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travis_1983
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2019/08/14 08:45:22 (permalink)
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Sessions Not Closing

Hi guys,
I have a case logged but maybe someone here can help.
Since upgrading our firmware two versions up - both versions appear to be resulting in extremely high session count, slowly rising to 6000000 - resulting in loss of service.
FG 500E - Firmwarev6.2.1 build0932 (GA)
Support have only recently escalated the case.
At the moment we're closing sessions via CLI to keep our device up. It the 'CLOSE state' which keeps rising.
 diag sys session stat
misc info: session_count=2873174 setup_rate=91 exp_count=883 clash=0
**memory\_tension\_drop=5448520 ephemeral=0/1113088 removeable=0**

**npu\_session\_count=285**

**nturbo\_session\_count=77**
delete=2491, flush=3, dev_down=42/222 ses_walkers=0
TCP sessions:
 **764 in NONE state**

**10039 in ESTABLISHED state**

**31879 in SYN\_SENT state**

**1448 in SYN\_RECV state**

**315 in FIN\_WAIT state**

**563 in TIME\_WAIT state**

**1148053 in CLOSE state**

**5113 in CLOSE\_WAIT state**
firewall error stat:
error1=00000000
error2=00000000
error3=00000000
error4=00000000
tt=00000000
cont=00007d09
ids_recv=0979ecf7
url_recv=00000000
av_recv=001d09e4
fqdn_count=00000000
fqdn6_count=00000000
global: ses_limit=0 ses6_limit=0 rt_limit=0 rt6_limit=0
 
Anyone come across this?
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