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TCPIP SHOW DEV Explanation
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04-28-2009 03:10 PM
04-28-2009 03:10 PM
Just noticed something I hadn't seen before.
The output from:
$ TCPIP SHOW DEV
has a second table appearing after the first. The only differences I can find is that in the first table the first
column is labeled "Device_socket" and shows BG devices. In the second table, the first column is labeled "Kernal_socket" and has entries of the form "1.nnn".
If I add /FULL to the display cmd, I see that the "State:" line has "OVMS_INTER" in the second table.
I've also noticed that both tables have references to the same remote host IP, and that the second table shows a local port of 23
(Telnet) for all connections.
Even checked the manual and tried a Google search.
(You can see I've spent a lot of "productive" time on this discovery ;) )
Can anyone explain?
Solved! Go to Solution.
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04-28-2009 05:37 PM
04-28-2009 05:37 PM
Re: TCPIP SHOW DEV Explanation
Re: TCPIP SHOW DEV Explanation
I think this means you're running the new TCPIP scaleable kernel - (now the default). It's a new way of structuring the network software which reduces the synchronisation overheads.
Some connections require two layers of socket, one external, and one inside the kernel, so you now see both. I see kernel sockets on ports other than 23. OVMS_INTER perhaps means "OpenVMS Internal"?
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04-28-2009 11:28 PM
04-28-2009 11:28 PM
Solutionhttp://h71000.www7.hp.com/openvms/journal/v4/tcp_ip_scalable_kernel.pdf
Wim
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05-04-2009 10:35 AM
05-04-2009 10:35 AM
Re: TCPIP SHOW DEV Explanation
Re: TCPIP SHOW DEV Explanation
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