centos-bounces at centos.org schrieb am 23.04.2015 14:27:41: > Von: Marcelo Ricardo Leitner <marcelo.leitner at gmail.com> > An: CentOS mailing list <centos at centos.org> > Datum: 23.04.2015 14:28 > Betreff: Re: [CentOS] Probs with Routing (CentOS7 , KVM) > Gesendet von: centos-bounces at centos.org > > Hi, > > On 23-04-2015 08:50, Andreas.Reschke at mahle.com wrote: > > Hi there, > > I've installed a new KVM-Server. The routing in all instances are only > > working after "arp -s ip_of_router mac_of_router" > > > > Server: CentOS7, KVM > > Clients: CentOS6 and Fedora 21 > > > > What going wrong? > > Your report is not very clear. Is it just the routing from the guests > that is not working? Because if you have to use that command, all > routing from the server itself would also be jammed. And in that case, I > would suggest doing a traffic capture on the bridge, bonding and its > slaves if applicable to see where it's breaking. You may also consider > switching to bonding Active/Backup mode (if not already) for > troubleshooting. > > Marcelo > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Hello Marcelo, I'm using Bonding Mode: IEEE 802.3ad Dynamic link aggregation. With tcpdump I've seen, that "ping to router" is going through the interfaces (br0, bond0, vmnet0) but the answer is lost. Mit freundlichen Grüßen / Kind regards Mr. Andreas Reschke MAHLE International GmbH Unix/Linux-Administration (FIG5.1) Pragstr. 26 - 46, 70376 Stuttgart, Germany Phone: +49 711 501-47598, Fax: +49 711 501-44 47598 Mobile: 0173-3197397 andreas.reschke at mahle.com, http://www.mahle.com MAHLE International GmbH, Location: Stuttgart, Registered: Amtsgericht Stuttgart, HRB 16413 Management Board: Prof. Dr. Heinz K. Junker, Arnd Franz, Michael Frick, Michael Glowatzki