On 03/04/2011 06:47 PM, Jon Reynolds wrote: > Are they on the same network or clan? Is the firewall or host.allow file > blocking you or maybe selinux? Is it a > windows machine trying to get the address or linux? Do you see anything in > the logs or only in tcpdump?
My setup is: firewall accepting udp traffic from 67:68 ports selinux disabled host.allow empty tcpdump showing checksum errors but just right now I solve my problem was the tx offload performed by the network card > > Jon > > > -----Original message----- > > *From: *Roberto Fichera <ker...@tekno-soft.it>* > To: *Marko Ristola <marko.rist...@kolumbus.fi>* > Cc: *firstname.lastname@example.org* > Sent: *Fri, Mar 4, 2011 17:39:06 GMT+00:00* > Subject: *Re: [Fedora-xen] Dom0 running dhcpd and domU dhclient won't > work on the same machine > > On 03/04/2011 05:17 PM, Marko Ristola wrote: > > 04.03.2011 14:16, Roberto Fichera kirjoitti: > >> Hi All, > >> > >> does anyone has the same problem on the same configuration? > >> Basically all the domU aren't able to get their ip address from the > DHCPD > >> server running under the same dom0 with kernel *MailScanner warning: > numerical links are often malicious:* > 184.108.40.206-174.xendom0.fc12.x86_64. > >> I tried different domU kernels but it seems doesn't work at all. > >> > >> Any idea how to solve it? > >> > >> Thanks in advance. > >> Roberto Fichera. > >> -- > >> xen mailing list > >> email@example.com > >> https://admin.fedoraproject.org/mailman/listinfo/xen > > It should be solvable by configuring. > > > > I use bridge device br0, a remote dnsmasq server for DHCP and DNS. > sysctl.conf is > > configured so that br0 works as expected: passes DHCP requests thrue. > > > > Your case is different than mine, so you need different configurations. > > > > Googling examples is a good start. > > You could try to use iptables LOG rules to track down problems. > > I mean, it seems working because the dhcpd log shows that the requests > are coming from the domU but the domU doesn't get the DHCPD answare. > > I also read about setting off ethernet tx offload under dom0 via "ethtool > -K eth0 tx off" > but it seems not helping to solve anything, at least in my case. > > Which kind of configuration you made in your side? > > > Regards, > > Marko Ristola > > > > -- > > xen mailing list > > firstname.lastname@example.org > > https://admin.fedoraproject.org/mailman/listinfo/xen > > > > -- > xen mailing list > email@example.com > https://admin.fedoraproject.org/mailman/listinfo/xen >
-- xen mailing list firstname.lastname@example.org https://admin.fedoraproject.org/mailman/listinfo/xen