Re: DHCP and D4GL WTK Client
Posted in 2000
Topics: Connectivity: ESQL/C, 4GL & Embedded SQL
On Wed, 13 Sep 2000, Jonathan Leffler wrote: > Nigel Gall wrote: > > > > We're considering implementing DHCP for all our client PCs. Servers will > > remain with fixed IP addresses. Are there any concerns that we need to be > > aware of that would impact on the proper running of our D4GL WTK Client on a > > DHCP-configured PC? Two things that cause me to ask this question: > > DHCP clients are not a problem; DHCP servers are. So, thus far, you are > fine. > But how will that work WRT authentication on the server - i.e., the hosts.equiv and/or .rhosts files?? Would we have to code the entire possible range of IP addresses? /Ron ________________________________________________________________________ Ron Flannery <mailto:rflanner@informixhandbook.com>, 248-887-8470x40 Lead author, Informix Handbook President, One Point Solutions "Your Complete Reference" "Informix & Web/Database solutions" http://www.informixhandbook.com http://www.one-point.com ________________________________________________________________________
On Thu, 14 Sep 2000 16:29:26 +0100, "Ron M. Flannery" <rflanner@speedlink.net> wrote: > > >On Wed, 13 Sep 2000, Jonathan Leffler wrote: > >> Nigel Gall wrote: >> > >> > We're considering implementing DHCP for all our client PCs. Servers will >> > remain with fixed IP addresses. Are there any concerns that we need to be >> > aware of that would impact on the proper running of our D4GL WTK Client on a >> > DHCP-configured PC? Two things that cause me to ask this question: >> >> DHCP clients are not a problem; DHCP servers are. So, thus far, you are >> fine. >> > >But how will that work WRT authentication on the server - i.e., the hosts.equiv >and/or .rhosts files?? Would we have to code the entire possible range of >IP addresses? > At one time it was believed my some people at our office that the Unix machine had to be able to ping the PC by name and therefore DHCP could not be used as the entries the Unix hosts file would need would keep changing. However since we have other clients running over TCP/IP I thought this was a fallacy, and have found it to be so. There is no need to set up the PC IP numbers in hosts on the Unix box. however the Unix .profile does have to do some work to put the IP number into a specific shell variable whose name I forget. The method depends on the flavour of Unix you are running - AIX (surprise!) is different to many others!