Re: DHCP giving out wrong subnet IP
Chris Bell <[email protected]>
| Newsgroups | gmane.comp.security.ipcop.user |
|---|---|
| Message-ID | <18182309.9uinDTJ631@gigl> |
On Wednesday 29 Mar 2017 09:55:24 Joe Acquisto-j4 wrote: > Hmm. I don't recall giving either and address on BLUE. > > My concern is that they should never have been given an address on the BLUE > subnet since they are on GREEN. > >>> On 3/29/2017 at 8:56 AM, dusty <[email protected]> wrote: > > Could it be that the lease expired while the ipcop server was rebooting, > > so was not there to hand out the lease and the affected machine went to > > either its default address or a remembered one? > > > > - Dusty > > > > On 29/03/2017 13:43, Joe Acquisto-j4 wrote: > >> IPCop v2.1.9. Seems to be working fine otherwise. > >> > >> Occasionally a device on my GREEN will get handed an address from my BLUE > > > > network. This is disconcerting. > > > >> In fact, one of the devices was supposed to have a fixed lease. In > >> this > > > > case it happened right after a reboot after applying latest patch Tuesday > > stuff for Windows 7. (Yes, it's true I must win from time to time. . . > > ). > > A reboot provided the correct IP. This is a Dell of recent Vintage. > > > >> Prior to this it happened to a different box an older Toshiba > >> L505-ES5010, > > > > rescued from a scarp pile, mended and now condemned to life as a "beater", > > (poor thing) while tinkering with different OS installs. This one was > > free to accept any address. > > > >> joe a. > Some boxes have a BIOS which finds network interfaces in random order, and eth0, eth1, eth2, eth3 could then refer to any of the physical interfaces. This can be fixed by doing an if-pre-up check to ensure that each in turn has the correct MAC address. See man interfaces. -- Chris Bell website chrisbell.org.uk ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ IPCop-user mailing list [email protected] Manage your subscription or unsubscribe https://lists.sourceforge.net/lists/listinfo/ipcop-user