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тАО07-03-2008 08:34 PM
тАО07-03-2008 08:34 PM
TRU64 tcp port connection limitation
Im wondering is there any limit to numbers of connection to tcp port in TRU64?
For example our application is using port 19001, how many connection is allowed to connect to that port number?
From sysconfigtab
ipport_userreserved = 10000
is this the config for the numbers of connection?
Thank you in advance!
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тАО07-03-2008 11:33 PM
тАО07-03-2008 11:33 PM
Re: TRU64 tcp port connection limitation
afaik, maximum connections allowed for a single tcp port is 10. This applicable to TRU64.
I refer from this docs.
http://middleware.its.state.nc.us/middleware/Documentation/html/csqzaf05/csqzaf051b.htm
Most software vendors recommends define more than one port to overcome this limitation.
Rgds
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тАО07-04-2008 12:12 AM
тАО07-04-2008 12:12 AM
Re: TRU64 tcp port connection limitation
# netstat -an|grep 18560|wc -l
91
this port created by application has more than 10 connections. im still looking for the kernel setting to check.
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тАО07-04-2008 05:44 AM
тАО07-04-2008 05:44 AM
Re: TRU64 tcp port connection limitation
sorry, can't run my alpha now to get the sysconfig parameters list.
Can you check this parameters.
somaxconn
Let me know the value for this. I check from TCPIP manual, you could specify max number connections for sockets via this parameters.
It should be under sys_attrs_socket.
Let me know.
Rgds
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тАО07-04-2008 03:01 PM
тАО07-04-2008 03:01 PM
Re: TRU64 tcp port connection limitation
i was kinda rush in last post.
Well, from the manual, its stated max value for this is 1024. It is possible you increase it but no more than 65535.
i've checked, this should applicable with 4.0G and 5.1 and above.
Here is a some info from the TRU64 system config and tuning manual.
6.2.3.1 Increasing the Maximum Number of Pending TCP Connections
The somaxconn attribute specifies the maximum number of pending TCP
connections (the socket listen queue limit) for each server socket (for
example, for the HTTP server socket). Pending TCP connections can be
caused by lost packets in the Internet or denial of service attacks. Busy
Internet servers often experience large numbers of pending connections. If
the listen queue connection limit is too small, incoming connect requests
may be dropped.
The default value is 1024. The recommended value is 65535, which is the
maximum value. Do not specify a value that is higher than the maximum
value because this can cause unpredictable behavior.
PS: Really appreciate if your could assign points if this answer your question.
Thanks!
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тАО07-06-2008 05:24 PM
тАО07-06-2008 05:24 PM
Re: TRU64 tcp port connection limitation
Yeah i have read that part too before, but i was not sure. Anyway thanks for your help