On Mon, Aug 26, 2013 at 02:54:27PM +0530, Arun Khan wrote: > On Mon, Aug 26, 2013 at 2:01 PM, Sean Alexandre <s...@alexan.org> wrote: > > I have a machine that's not acquiring a DHCP lease from my ISP. I can see > > that > > dhclient is sending DHCPDISCOVER messages. My system log has: > > > > Aug 25 17:36:41 athabasca dhclient: DHCPDISCOVER on eth-wan to > > 255.255.255.255 port 67 interval 7 > > -------------8<-------------8<-------------8<-------------8<-------------8<-------------8<-------------8<------------- > > > The odd thing is if I do the exact same thing with this machine connected to > > a local TP-LINK router instead of my ISP cable modem, dhcpdump sees the > > DHCPDISCOVER, and the machine acquires a DHCP lease. > > Is your cable modem setup in bridge mode? (bridge between it's > ethernet (RJ45) and the 'wan' ports with cable coming in from ISP.
Yes, bridge mode. (It's just a cable modem, and not a router. Bridge mode is the only way it works.) > > > Any ideas why would dhclient be sending a DHCPDISCOVER, but dhcpdump not > > see it? > > Try tcpdump with dest port 67 OK, thanks. I just tried that now, and it got a DHCP lease this time, for some reason. So it's working again. I'll do a tcpdump next time, if I see the problem again, and hopefully that will tell me what's going on. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130826104607.GA5205@tuzo
