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None of those telnet settings have any effect on the HMC session since
that session is NOT established to IBM i rather it connects to the HMC
itself.
Unfortunately IBM has no mechanism in the HMC to keep the session alive.
The issue you are experiencing is your firewall dropping the session.
Even with a VPN (client or tunnel) your firewall keeps track of the
translation by IP and port number. When that connection sees no traffic
for a time ('a time' defined by your firewall) it assumes the connection
is dead and away it goes. Your session goes away with it.
As many have suggested having a session live on the HMC itself is one
potential solution. That way even when you do get disconnected you can
reconnect to it with no harm no foul. However many consider this a
security risk as there you sit with a live session likely signed on with
a high security profile. Now you may say: "Hey it's in a locked room" or
'Hey I lock the HMC session!' but if it's locked you need to know the
password of the user who locked it! (And yes, I know many of you just
share the password for hscroot. #SecurityFail)
The two favorite techniques I use are to establish a virtual desktop
session in the data center on the SAME subnet as the HMC itself. This
way sessions established there are NOT timed out by any firewall and
will stay active for days and weeks even with no I/O. This desktop is
then accessed remotely or you can create a shared session and access
that shared session remotely.
The other technique which works but not as well is to configure your
firewall to NOT time out connections using port 2300 or 2301. This way
you don't get disconnected during long periods of no I/O to the console
session. And if you're not the firewall guy in your company good luck
convincing them this is important. :-)
- Larry "DrFranken" Bolhuis
www.Frankeni.com
www.iDevCloud.com - Personal Development IBM i timeshare service.
www.iInTheCloud.com - Commercial IBM i Cloud Hosting.
On 9/18/2018 11:21 AM, Steve Pavlichek wrote:
Is there a trick to keeping a remote 5250 console session alive? I’m trying to do a SAVE21 remotely and the console session keeps dropping and ending the SAVE. I am running a share console but after the session drops I can not reconnect to it.
I have the Keep-Alive setting on ACS session set to Yes. I have also changed the TIMMRKTIMO setting in CHGTELNA to 86400.
Environment
ACS 1.1.8.0
HMC CR1 running v9.1 SP1
IBM I v7r3 with latest PTFs
Windows 7 running Chrome Web browser
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