"This can't be multihoming as I only have one address" Understood.
"So the question now is where does 4D get IP address to show on the server admin window?" If a computer has only one IP address, there's no need to create a UI to allow a user to select an IP address - it just shows up. That thought led my "inquiring minds want to know" mind to wonder - "How is multi-homing handled?" -- Douglas von Roeder 949-910-4084 On Thu, Jun 4, 2020 at 10:52 AM Charles Miller via 4D_Tech < 4d_tech@lists.4d.com> wrote: > Hi All, > This can't be multihoming as I only have one address > > > On Thu, Jun 4, 2020 at 1:49 PM Douglas von Roeder via 4D_Tech > <4d_tech@lists.4d.com> wrote: > > > > Chuck: > > > > Good question. How is multi-homing handled? > > > > The web server can listen on multiple IP addresses but I've never seen > > anything that discusses how the application/data server handles that. > > > > -- > > Douglas von Roeder > > 949-910-4084 > > > > > > On Thu, Jun 4, 2020 at 7:47 AM Chuck Miller via 4D_Tech < > > 4d_tech@lists.4d.com> wrote: > > > > > OK I guess some more info may help. It seems that if I have a server > that > > > I run at client with their IP address scheme and then run same > structure on > > > server in my office it shows as broadcasting on more than one IP > address. > > > So the question now is where does 4D get IP address to show on the > server > > > admin window? I think this might be part of the problem. I am going to > post > > > this on the new forum as well with some screen shots > > > > > > Regards > > > > > > Chuck > > > > > > > ------------------------------------------------------------------------------------------------ > > > Chuck Miller Voice: (617) 739-0306 > > > Informed Solutions, Inc. Fax: (617) 232-1064 > > > mailto:cjmiller<AT SIGN>informed-solutions.com > > > Brookline, MA 02446 USA Registered 4D Developer > > > Providers of 4D and Sybase connectivity > > > http://www.informed-solutions.com > > > > > > > ------------------------------------------------------------------------------------------------ > > > This message and any attached documents contain information which may > be > > > confidential, subject to privilege or exempt from disclosure under > > > applicable law. These materials are intended only for the use of the > > > intended recipient. If you are not the intended recipient of this > > > transmission, you are hereby notified that any distribution, > disclosure, > > > printing, copying, storage, modification or the taking of any action in > > > reliance upon this transmission is strictly prohibited. Delivery of > this > > > message to any person other than the intended recipient shall not > > > compromise or waive such confidentiality, privilege or exemption from > > > disclosure as to this communication. > > > > > > > On Jun 4, 2020, at 7:20 AM, Chuck Miller via 4D_Tech < > > > 4d_tech@lists.4d.com> wrote: > > > > > > > > Thanks for input. I will address each below your response > > > > > > > > Sent from my iPhone > > > > > > > >> On Jun 4, 2020, at 1:44 AM, Chip Scheide <4d_o...@pghrepository.org > > > <mailto:4d_o...@pghrepository.org>> wrote: > > > >> > > > >> Chuck, > > > >> There are 2 ways to resolve this, and using both is probably best. > > > >> (following assumes DHCP) > > > >> > > > >> 1 - put a battery on the computer (server) so that when power goes > down > > > during tests the computer does not turn off. > > > >> 1a - if this is already the case (it should be if it is a server) > and > > > IP addresses are being changed on the server then there is a switch in > the > > > network who's battery has failed - and Enterprise IT should track it > and > > > fix it ( might need to enter a ticket) > > > >> > > > > There is a UPS. Indeed the machine and server never went down > > > > > > > > > > > >> 2 - talk with the IT/network people, give them the server's MAC ID > > > (network card ID) and request a fixed IP address server through DHCP > > > >> Notes on #2 : the network admin can assign a specified IP address > to a > > > specific MAC address, which is assigned via DHCP, then regardless of > power > > > outage, server reboot, etc and generally the time off the network, the > IP > > > address of the computer does not change. > > > > This is the setup. Indeed the IP is manual. > > > >> > > > >> and BTW > > > >> - MAC is a network card term and refers to the network card's ID > > > >> - Mac(intosh) is an Apple Computer Co. computer. > > > >> > > > >> DHCP with manual address usually means that the IP address has been > > > assigned by specific computer Admin, rather than network admin. The IP > > > address assigned this way can (and appears to) conflict with the DHCP > > > server assigning addresses. > > > >> This is because, as I understand it, the DHCP server does not 'know' > > > about the manual address. > > > > The address is permanent and was assigne by network folks > > > > > > > > > > > > > > > > > > > >> > > > >> Quickly: > > > >> DHCP hands out IP addresses in a specified range xxx.xxx.xxx.1 - > 255. > > > the range can be restricted, say xxx.xxx.xxx.100 - 200. > > > >> and/or the DHCP server can hand out specific IP addresses to > specified > > > MAC address, and random to all others. > > > >> Where I was working, IT did all of this. > > > >> Servers, and other devices which required that IP address NOT change > > > over time, (requested to be fixed), were assigned in the range 1- 30, > 31 - > > > 220 were for network attached devices (computers, tablets etc), and > 220 - > > > 254 were for reserved for printers. > > > >> However, ALL addresses were assigned via DHCP - assigning a manual > > > address was not allowed because: > > > >> the DHC server did not know about it, and could/would hand out the > > > manual IP address to another device - creating a conflict. > > > >> > > > >> > > > > Just a note. DHCP with manual address must used a fixed up S far as I > > > know or you will get conflicts with other machines > > > >> Hope this helps > > > >> > > > >> Chip > > > >> > > > >> > > > >>> Hi All, > > > >>> > > > >>> We have a built Client server v 16.x running on a MAC > > > >>> > > > >>> Network set up is > > > >>> DHCP with manual address > > > >>> > > > >>> This has been working till about 6n months ago. > > > >>> > > > >>> The hospital seems to test power outages on fairly regular basis. > > > >>> When they do change over to emergency power > > > >>> > > > >>> The network pane in system preferences loses all except the IP > > > >>> address and her we go > > > >>> > > > >>> The 4D server running starts listening on a different IP address. > Has > > > >>> anyone ever seen this before. Tech support is telling me to switch > to > > > >>> manual address. > > > >>> > > > >>> I have run and used this setup at many other customers > > > >>> > > > >>> Thanks and regards > > > >>> > > > >>> Chuck > > > >>> > > > > ------------------------------------------------------------------------------------------------ > > > >>> Chuck Miller Voice: (617) 739-0306 > > > >>> Informed Solutions, Inc. Fax: (617) 232-1064 > > > >>> mailto:cjmiller<AT SIGN>informed-solutions.com > > > >>> Brookline, MA 02446 USA Registered 4D Developer > > > >>> Providers of 4D and Sybase connectivity > > > >>> http://www.informed-solutions.com > > > >>> > > > > ------------------------------------------------------------------------------------------------ > > > >>> This message and any attached documents contain information which > may > > > >>> be confidential, subject to privilege or exempt from disclosure > under > > > >>> applicable law. These materials are intended only for the use of > the > > > >>> intended recipient. If you are not the intended recipient of this > > > >>> transmission, you are hereby notified that any distribution, > > > >>> disclosure, printing, copying, storage, modification or the taking > of > > > >>> any action in reliance upon this transmission is strictly > > > >>> prohibited. Delivery of this message to any person other than the > > > >>> intended recipient shall not compromise or waive such > > > >>> confidentiality, privilege or exemption from disclosure as to this > > > >>> communication. > > > >>> > > > >>> > ********************************************************************** > > > >>> 4D Internet Users Group (4D iNUG) > > > >>> New Forum: https://discuss.4D.com > > > >>> Archive: http://lists.4d.com/archives.html > > > >>> Options: https://lists.4d.com/mailman/options/4d_tech > > > >>> Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > > > >>> > ********************************************************************** > > > >> ------------ > > > >> Hell is other people > > > >> Jean-Paul Sartre > > > > > > > > > ********************************************************************** > > > > 4D Internet Users Group (4D iNUG) > > > > New Forum: https://discuss.4D.com <https://discuss.4d.com/> > > > > Archive: http://lists.4d.com/archives.html < > > > http://lists.4d.com/archives.html> > > > > Options: https://lists.4d.com/mailman/options/4d_tech < > > > https://lists.4d.com/mailman/options/4d_tech> > > > > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com <mailto: > > > 4d_tech-unsubscr...@lists.4d.com> > > > > > ********************************************************************** > > > > > > ********************************************************************** > > > 4D Internet Users Group (4D iNUG) > > > New Forum: https://discuss.4D.com > > > Archive: http://lists.4d.com/archives.html > > > Options: https://lists.4d.com/mailman/options/4d_tech > > > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > > > ********************************************************************** > > ********************************************************************** > > 4D Internet Users Group (4D iNUG) > > New Forum: https://discuss.4D.com > > Archive: http://lists.4d.com/archives.html > > Options: https://lists.4d.com/mailman/options/4d_tech > > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > > ********************************************************************** > > > > -- > > ----------------------------------------------------------------------------------------- > Chuck Miller Voice: (617) 739-0306 Fax: (617) 232-1064 > Informed Solutions, Inc. > Brookline, MA 02446 USA Registered 4D Developer > Providers of 4D, Sybase & SQL Server connectivity > https://www.informed-solutions.com > > ----------------------------------------------------------------------------------------- > This message and any attached documents contain information which may > be confidential, subject to privilege or exempt from disclosure under > applicable law. These materials are intended only for the use of the > intended recipient. If you are not the intended recipient of this > transmission, you are hereby notified that any distribution, > disclosure, printing, copying, storage, modification or the taking of > any action in reliance upon this transmission is strictly prohibited. > Delivery of this message to any person other than the intended > recipient shall not compromise or waive such confidentiality, > privilege or exemption from disclosure as to this communication. > ********************************************************************** > 4D Internet Users Group (4D iNUG) > New Forum: https://discuss.4D.com > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) New Forum: https://discuss.4D.com Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************
