gust now saw Gadi's last email - never mind :)

On 8/19/2021 10:47 AM, Carmen Vitullo wrote:
OK could be I'm not an I/P guy but I'm thinking the client is connecting Ok, since he's getting prompted for I/D and then password, so he's past DNS at this point?

IIRC there's a port switch happening? one port used for authentication and one used for data xfer?

Carmen

On 8/19/2021 10:10 AM, Gibney, Dave wrote:
There is still a  likely DNS call to try for a name of the ip entered

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Carmen Vitullo
Sent: Thursday, August 19, 2021 6:24 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: FTP problem

I could be wrong but if the client is using I/P addresses then DNS does
not get in the picture?

he responded to me the client is using the I/P address, gets connected
OK, then enters the userid....long delay

Carmen

On 8/19/2021 8:20 AM, Lionel B. Dyck wrote:
Are your DNS servers in house or is it that your system does not have
network connectivity outside your system?
You can try these public (Google) DNS servers

8.8.8.8 and 8.8.4.4


Lionel B. Dyck <><
Website:
https://urldefense.com/v3/__https://www.lbdsoftware.com__;!!JmPEgBY0
HMszNaDT!4XBh5LccmUEAvjFmIlGdLAH9T6VD82MDgBoDADgJ153LHThZUY1
GwbHo35SV1A$
Github:
https://urldefense.com/v3/__https://github.com/lbdyck__;!!JmPEgBY0HMs
zNaDT!4XBh5LccmUEAvjFmIlGdLAH9T6VD82MDgBoDADgJ153LHThZUY1Gwb
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“Worry more about your character than your reputation. Character is what
you are, reputation merely what others think you are.”   - - - John Wooden
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Pommier, Rex
Sent: Thursday, August 19, 2021 8:15 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: FTP problem

I just saw that your DNS servers aren't available.  Try removing them from
your TCP/IP configuration and see if that increases the speed.
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Pommier, Rex
Sent: Thursday, August 19, 2021 8:08 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [External] Re: FTP problem

Gadi,

Check your DNS servers the mainframe is looking for as to whether they're
up or not.  Could it be that it's trying to do a DNS lookup sometime in there and waiting for primary DNS timeout before continuing?  We had a similar issue several years ago where the DNS servers weren't up yet during one of
our tests and I changed the TCP/IP DNS sequencing to use one that was
already up and my problem went away.
Rex

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Gadi Ben-Avi
Sent: Thursday, August 19, 2021 7:30 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [External] Re: FTP problem

Hi James,
SDSF doesn't report any paging.
I haven't seen any paging in a long time.

Gadi

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of James Crudele
Sent: Thursday, August 19, 2021 3:26 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: FTP problem

Check storage while you’re at it. Could address spaces be swapping out
because you are so low?

On Aug 19, 2021, at 06:22, Gadi Ben-Avi <gad...@malam.com> wrote:

Hi,
We are in the midst of a DR test.
A user is complaining that they are have problems using ftp.

When the issue the ftp command from the command line in windows,
they get the prompt for the user name almost immediately.
Once the user enters the password and presses enter, it takes over a
minute to get the prompt for the password.
Has anyone encountered this problem.

We do not have a similar problem on our production system.

The production system is a z15-t02. The LPAR has 92 GB of storage.
The DR system is a z13s. The LPAR has 16GB of storage.

Both are running z/OS 2.3.

Any help would be appreciated.

Thanks

Gadi


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