Re: Preventing IP conflict
On Thu, Dec 20, 2007 at 04:17:55PM +0530, OmPs wrote:
> After reading the suggestions from people around i was not able to
> understand what it has to do with DHCP. in case if your machine runs
> as DHCP client you will get another IP address as soon as you reboot
> the machine or any other IP which is not being used from within the
> network.
The op did not give enough detail about his setup, if he is using static ip and
the network is dhcp then that could explain it, this is more the start of a
line of enquiry
>
>
> On 20/12/2007, T o n g <mlist4suntong@yahoo.com> wrote:
> > Hi,
> >
> > It's now the third time that I bumped into such situation. All of sudden I
> > suffer from network delay and package lost, can't ping DNS server but can
> > ping some IPs that is connecting to my box.
> >
> > I have suspected my cable, kernel version, etc, etc, and until today,
> > after rebooting into Window$ and noticing the warning message, did I
> > realize that all above is caused by IP conflict -- there is another box on
> > the network using the same IP address as mine.
> >
> > We know it is definitely because of the malfunctioning of our
> > organization's DNS server. But if I report it to our technical services,
> > I know for sure that I am the person to be blamed: "Why are you using
> > Linux? We are primarily a Window$ shop here. Linux is not supported".
>
>
> Another thing i am not able to stand is what your DNS server
> malfunctioning has to do with your machine's ip conflict.. DNS just
> does the work of resolving name to ip and ip to names.
>
>
> > That's the life that I have to live in. I'm wondering if there is anything
> > at my end that can prevent/eliminate the problem.
>
>
> i would suggest to check /var/log/messages. anytime you get any kind
> of problem with the network or anything the system logs it in
> /var/log/messages which can help you identify the problem. in case of
> problems od DUP IP. it clearly thoroiws a message of dup present in
> the network with the Mac address of the network card which is using
> it.
>
> Furthermore, a lot of implementaion of tools are being done on the
> newer linux ditros which can actually warn you about existence of DUPs
> in network. the moment they come up in network.. the same way it
> happen in MS Windows.
>
>
> On 20/12/2007, T o n g <mlist4suntong@yahoo.com> wrote:
> > Hi,
> >
> > It's now the third time that I bumped into such situation. All of sudden I
> > suffer from network delay and package lost, can't ping DNS server but can
> > ping some IPs that is connecting to my box.
> >
> > I have suspected my cable, kernel version, etc, etc, and until today,
> > after rebooting into Window$ and noticing the warning message, did I
> > realize that all above is caused by IP conflict -- there is another box on
> > the network using the same IP address as mine.
> >
> > We know it is definitely because of the malfunctioning of our
> > organization's DNS server. But if I report it to our technical services,
> > I know for sure that I am the person to be blamed: "Why are you using
> > Linux? We are primarily a Window$ shop here. Linux is not supported".
> >
> > That's the life that I have to live in. I'm wondering if there is anything
> > at my end that can prevent/eliminate the problem.
> >
> > Thanks
> >
> >
> > --
> > Tong (remove underscore(s) to reply)
> > http://xpt.sourceforge.net/techdocs/
> > http://xpt.sourceforge.net/tools/
> >
> >
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>
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