Date: Sun, 2 Sep 2007 12:52:13 +0200 From: Mel <fbsd.questions@rachie.is-a-geek.net> To: freebsd-questions@freebsd.org Subject: Re: how to change isc-dhcp3-server replies? (was: Message-ID: <200709021252.14680.fbsd.questions@rachie.is-a-geek.net> In-Reply-To: <20070902011321.80204.qmail@web34607.mail.mud.yahoo.com> References: <20070902011321.80204.qmail@web34607.mail.mud.yahoo.com>
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On Sunday 02 September 2007 03:13:21 Joe wrote: Gosh, I suddenly remember why I dropped yahoo webmail.... > Ok, no so true. I am watching tcpdump output from the two binaries. The > old binary sends its reply to 255.255.255.255, while the new one sends its > reply to 192.168.0.15. Same config file and I tried the always-broadcast > flag, and it only sets the bit for the client, but the server still > broadcasts its reply to the client on the subnet mask. > > Old client reply (ml.. is server af is client): > > 1188694380.961642 ml:ml:ml:ml:ml:ml > ff:ff:ff:ff:ff:ff, ethertype IPv4 > (0x0800), length 342: (tos 0x10, ttl 16, id 0, offset 0, flags [none], > proto: UDP (17), length: 328) 192.168.0.15.67 > 255.255.255.255.68: > BOOTP/DHCP, Reply, length: 300, xid:0x77915dc3, flags: [Broadcast] (0x8000) > Your IP: 192.168.0.13 > Client Ethernet Address: af:af:af:af:af:af [|bootp] > > new client does not do this and clients do not get their ip address. I read > somewhere that linux had a problem doing this in 2.2 kernels and it has > something to do with the routing table in linux. Not sure what is going on > here, but the routing table looks fine. <slash mangled quotes> So what does the tcpdump exchange look like with the new binary and the always-broadcast flag? And we're talking server binaries, right? -- Mel People using reply to all on lists, must think I need 2 copies.
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