Thanks so much Neil for your support. I fixed this issue. It is due to the mask. I forgot to set it.
Please do you have any idea about my earlier question entitled 'communication between two ovs bridges' ? Best regards. 2017-03-14 12:11 GMT+01:00 Neil Jerram <[email protected]>: > Hi David, > > The interface name "eth1" implies - or at least strongly suggests - that > each of your VMs has two interfaces (eth0 and eth1). Is that the case? > > It's also a bit odd that you have to do 'ifconfig eth1 up' by hand. > Normally the VM OS should do that; and if it isn't, there are probably > other things that aren't happening for eth1, such as DHCP and setting up > the routing table for it. > > Could you do what you're trying to do first with just one VM interface, > eth0, which OpenStack should fully set up for you? > > Neil > > > On Tue, Mar 14, 2017 at 10:51 AM David Gabriel <[email protected]> > wrote: > >> Dears, >> >> I have defined this simple topology: >> Internet ----- VM1 ----LAN---- VM2 -----Internet >> >> I made 'ifconfig eth1 up' for each VM to activate the interface. >> Then I tried to make the ping between the two VMs but it fails ! >> >> So I run the bellow command in one VM and re-run the ping in the other one >> tcpdump -i eth1 icmp and icmp[icmptype]=icmp-echo >> But I did not receive any packet despite that ICMP packets are allowed in >> both directions (IN/OUT) ! >> >> Could you please tell me how to fix this problem. >> >> Thanks in advance. >> Regards >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ >> openstack >> Post to : [email protected] >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ >> openstack >> >
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