On 2 Jun 2012, at 22:14, Michael Tokarev wrote: > On 02.06.2012 23:59, Conrad Wood wrote: > [] >> In some "cloud" environments, including ours, we configure an ethernet >> device with a single /32 IP Address. Say, for example 5.6.7.8/32. The >> Default Gateway is, for example, 9.10.11.12. The linux kernel and BSD >> happily work as desired and send out an arp request out of the ethernet >> device and route _everything_ to the default gateway. >> Configuring this manually is straightforward and works as desired. > >> Using the ISC-DHCP client also works as desired. It picks up IP, Netmaks and >> gateway perfectly well. > >> However, in the installer, with the busybox dhcp client, it stalls and >> claims it is unable to configure the network interfaces. Anything _apart_ >> from /32 (say /31, /30 etc.) works ok. But then the gateway won't be >> reachable, as the kernel then tries to do 'propper(?)' routing instead of >> just forwarding the packets. > > Did you try using busybox dhcp client on an already > installed system, as opposed to the debian installer? > > I just tried - dnsmasq as dhcp server, and squeeze busybox - > it accepts the /32 netmask just fine and configures the > interface accordingly. I had to overwrite "netmask" option > on the server, setting it explicitly, and I verified with > tcpdump that the server sends correct DHCP reply with the > right netmask. > > But I'm not actually sure how debian installer configures > the network... > > Thanks, > > /mjt >
Hm, I believe we did. +CC Jens Ott, our network guru, I think he did try. Let's see what he has to say about that ;) Conrad Conrad Wood (Deputy CTO, Head of Research & Innovations) ProfitBricks GmbH Greifswalder Str. 207 D - 10405 Berlin Office: +49 30 51 64 09 21 DDI: +49 30 51 300 021 Email: conrad.w...@profitbricks.com URL: http://www.profitbricks.com/ Sitz der Gesellschaft: Berlin Registergericht: Amtsgericht Charlottenburg, HRB 125506 B. Geschäftsführer: Andreas Gauger, Achim Weiss -- To UNSUBSCRIBE, email to debian-boot-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/d2ccd579-6f2f-4b37-8484-5e87c877d...@profitbricks.com