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NFS v4 tcp connection lifetime after unmount Solaris 11.2, 11.3, 11.4

edited Jul 18, 2020 5:33AM in Oracle Solaris Networking (MOSC) 1 commentAnswered ✓

Dear Community,

I have been searching MOS content and have not found answer for the question. Maybe I have overlooked sth but even inside rfc doc https://tools.ietf.org/html/rfc5661

I have not found the explanation for the tune parameter.

#mount and unmount of the share, then the session is present in netstat for 5 minutes.No firewall set on server or client side and no any ACL's set on network devices.

5:53:32.98090 somehost -> nfs4server TCP D=2049 S=45690 Syn Seq=4026980786 Len=0 Win=64240 Options=<mss 1460,sackOK,tstamp 1139334 0,nop,wscale 1>

5:53:32.98098 nfs4server -> somehost TCP D=45690 S=2049 Syn Ack=4026980787 Seq=785172985 Len=0 Win=32806 Options=<sackOK,tstamp 1191332 1139334,mss 1460,nop,wscale 5>

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