Date: Tue, 02 Dec 2008 18:08:21 +0200 From: Danny Braniss <danny@cs.huji.ac.il> To: Jonathan Feally <vulture@netvulture.com> Cc: danny@cs.huji.ac.il, freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: dhclient doing DISCOVER with bad IP checksum - bge (7.1 show stopper??) Message-ID: <E1L7XnR-000Hmn-JA@kabab.cs.huji.ac.il> In-Reply-To: <4934C733.4020506@netvulture.com> References: <4933A00E.7080201@netvulture.com> <4934C733.4020506@netvulture.com>
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> 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. > I've had many problems lately, but none involved checksum nor the dhcpd (btw, I assume that you are seeing bad checksum on the receiving server) could you add a nic to your PE1750? danny > 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 > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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