Hi there,


We are having a very strange issue with net-snmp on Solaris 10 server.



snmpd dies all of the sudden, and then we try to disable the service, it goes
into maintenance mode, I have to run another disable to bring snmpd into
disabled mode, then I enable it back. It runs ok for 30 sec or so, you can see
on snoop that it is receiving UDP traffic from another hoist sent via snmpd,
then it dies. Have you guys seen behavior like that from any other user?


Also I noticed that there are 4K BOUND and 5K CLOSE_WAIT ports on netstat -an. 
I also heard about the MOB cache table limitation to 1000 of those.


When it is working, i can snmpget to myself (same server)

ecweb02 [/] # /usr/local/bin/snmpget -v 2c -c Dk2twmP$ ecweb02 sysUpTime.0

DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (259458) 0:43:14.58



When it is not, it timesout:

ecweb02 [/]  #/usr/local/bin/snmpget -v 2c -c Dk2twmP$ ecweb02 
sysUpTime.0

Timeout: No Response from ecweb02.





You help much appreciated. 



Here is some more data:



sxp49@ecweb02 [/home/sysadmin/sxp49] #uname -a

SunOS ecweb02 5.10 Generic_125100-10 sun4v sparc SUNW,Sun-Fire-T200



bash-3.00# snmpd -v

NET-SNMP version:  5.4.2.1

Web:              
http://www.net-snmp.org/

Email:            
net-snmp-cod...@lists.sourceforge.net





bash-3.00# snoop |grep UDP

Using device /dev/e1000g0 (promiscuous mode)

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2691 LEN=53

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2691
S=161 LEN=95

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2728 LEN=55

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2728
S=161 LEN=281

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2729 LEN=56

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2729
S=161 LEN=264

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2730 LEN=57

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2730
S=161 LEN=268

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2856 LEN=57

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2856
S=161 LEN=271

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2857 LEN=57

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2857
S=161 LEN=279

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2859 LEN=57

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2859
S=161 LEN=281

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2490 LEN=107

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2490 LEN=109

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2490 LEN=109

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2490
S=161 LEN=223

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2491 LEN=54

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2491
S=161 LEN=398

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2491 LEN=54

     ecweb02 -> it-s3mp-3smrts.walgreens.com UDP D=2491
S=161 LEN=413

it-s3mp-3smrts.walgreens.com ->
ecweb02      UDP D=161 S=2491 LEN=54

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2490 LEN=107

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2490 LEN=109

it-s3mp-3smrts.walgreens.com -> ecweb02      UDP
D=161 S=2491 LEN=54



Thanks

      Sergey Prilutsky 

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> Date: Wed, 17 Aug 2011 20:31:41 +0000
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