> -----Original Message----- > From: sebastien goasguen [mailto:[email protected]] > Sent: Tuesday, July 17, 2012 1:26 PM > To: [email protected] > Subject: Re: DevCloud host-only interface > > On Tue, Jul 17, 2012 at 4:23 PM, Edison Su <[email protected]> wrote: > > > > > >> -----Original Message----- > >> From: sebastien goasguen [mailto:[email protected]] > >> Sent: Tuesday, July 17, 2012 12:34 PM > >> To: [email protected] > >> Subject: Re: DevCloud host-only interface > >> > >> On Tue, Jul 17, 2012 at 1:57 PM, Edison Su <[email protected]> > wrote: > >> > > >> > > >> >> -----Original Message----- > >> >> From: sebastien goasguen [mailto:[email protected]] > >> >> Sent: Tuesday, July 17, 2012 5:41 AM > >> >> To: [email protected] > >> >> Subject: DevCloud host-only interface > >> >> > >> >> Hi, > >> >> > >> >> I am trying to add a host-only interface to the DevCloud VM, so > that > >> I > >> >> can have other VMs (not nested ones) on the same internal network. > >> >> I have a centOS 6.2 VM setup with host-only and it works as > expected. > >> >> > >> >> Somehow the eth1 that I added to DevCloud in > /etc/network/interfaces > >> >> receives all the arp packets but does not reply to any. > >> >> To define the interface I added: > >> >> auth eth1 > >> >> iface eth1 inet dhcp > >> >> > >> >> eth1 comes up and gets an IP from the dhcp server of vbox. The IP > >> >> actually responds briefly to ping during boot time but then it > stops > >> >> answering. > >> >> > >> >> If I ping the IP from the host, I can see the arp request on the > >> guest > >> >> interface, there are just no replies going out. > >> > > >> > What's the routing table in Ubuntu guest? > >> > > >> > >> root@devcloud:~# route > >> Kernel IP routing table > >> Destination Gateway Genmask Flags Metric Ref > Use > >> Iface > >> default 10.0.2.2 0.0.0.0 UG 100 0 > 0 > >> xenbr0 > >> 10.0.2.0 * 255.255.255.0 U 0 0 > 0 > >> xenbr0 > >> 10.0.2.0 * 255.255.255.0 U 0 0 > 0 > >> eth0 > >> link-local * 255.255.0.0 U 0 0 > 0 > >> xapi0 > >> 192.168.56.0 * 255.255.255.0 U 0 0 > 0 > >> eth1
The default gateway is on 10.0.2.2, which is the NAT gateway. Could you change the default gateway, to your host-only network gateway? > >> > >> root@devcloud:~# ifconfig eth1 > >> eth1 Link encap:Ethernet HWaddr 08:00:27:df:00:00 > >> inet addr:192.168.56.110 Bcast:192.168.56.255 > >> Mask:255.255.255.0 > >> inet6 addr: fe80::a00:27ff:fedf:0/64 Scope:Link > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:32 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:22 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:1000 > >> RX bytes:5408 (5.4 KB) TX bytes:2172 (2.1 KB) > >> > >> I changed the vbox dhcp server to lease addresses at 192.68.56.110 > > > > So you have two nics in devCloud, one in NAT mode, one in Host mode? > > How about just using one nic, change the NAT mode to host mode? > >> > > Yes I have two nics. > I did not want to change your NATed nic to avoid messing up your setup. > > > -- > --- > Sebastien Goasguen > Open Source Cloud Evangelist, Cloudstack > http://sites.google.com/site/runseb/
