For some reason they are no longer showing up in tcpdump?
I can see the DHCP discover and the DHCP offers, but can't get tcpdump to
DHCPDISCOVER from AA:AA:AA:AA:AA:AA via xl0
DHCPOFFER on 192.168.0.13 to AA:AA:AA:AA:AA:AA (w2k-box) via xl0
This happens 4 times, but I can get tcpdump to output the offer. Using
tcpdump -netvvvi xl0 -t udp port 67 or udp port 68
Not sure what is going on now.
> 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]
> 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
> 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.
So what does the tcpdump exchange look like with the new binary and the
always-broadcast flag? And we're talking server binaries, right?
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