Can someone please confirm or rule out my issue with dhclient sending
bad IP checksum packets. It would really suck if 7.1 was released with a
broken DHCP client.
Jonathan Feally wrote:
Sorry for the cross-post, but this could be either lists problem.
I have 2 boxes running 7-STABLE as of 20081130, both i386 SMP. One is
running ISC DHCPD 3.0.x from recent ports, and the other dhclient from
make world.
The server is refusing to answer the DISCOVER request, as it thinks
the IP checksum is wrong, which tcpdump also confirms. Other DHCP
clients are working fine on this network, so I do not believe it to be
the network, server or dhcpd.
Server is running a 2 Port Intel card - em driver.
Client is a Dell PE1750 with 2 onboard NIC's - bge driver.
I have tried turning off both RXCSUM and TXCSUM on both the client and
server machines with no luck. I also tried the second NIC on the
server with the same result.
This setup was working just a couple of weeks ago, and the only thing
that has changed is updating the src for a make world. PXE booting
this server does result in an IP being issued, so it is pointing
towards something new/changed in 7-STABLE.
I have attached a 3 packet dump of the DISCOVER requests.
Can anybody shed some light on this for me?
Thanks, -Jon
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