Nice you figured out. Check the switch vlan tagging configuration. You need to use the trunk mode in your switch. Regards, Razique Le vendredi 30 novembre 2012, Ahmed Al-Mehdi a écrit :
> I resolved this issue. The problem was the switch was dropping the DHCP > request packet sent by the VM. I verified using "tcpdump" that the packet > was going out the physical ethernet port of the compute node. However, the > packet did not show up at the ethernet port of the controller node. I > verified the two ports are on the same (physical switch) VLAN. I then setup > direct connect, bypassing the switch, and the VM was able to get a response > to the DHCP request, etc. Time permitting I will investigate why the > switch was dropping the packet. > > Thanks to all who responded. > > Regards, > Ahmed. > > > > On Wed, Nov 28, 2012 at 4:13 PM, Ahmed Al-Mehdi <[email protected]>wrote: > > Hi Razique, > > Thank you helping out. Yes, I see an IP addr assigned to the instance. > And yes, I am using libvirt. > > root@novato:~/ahmed# nova list > > +--------------------------------------+-------+--------+-------------------------+ > | ID | Name | Status | Networks > | > > +--------------------------------------+-------+--------+-------------------------+ > | 26188c69-e67d-41b8-a066-6103b191fbea | myvm1 | ACTIVE | > net_proj_one=10.10.10.3 | > > +--------------------------------------+-------+--------+-------------------------+ > root@novato:~/ahmed# > > I do not have the external network setup. Is that necessary to get an IP > address from the private network to which eth0 of the VM network is > attached. > > > From cirros log, it seem dhcp is enabled and started, but fails to get an > IP addr: > > Starting network... > udhcpc (v1.18.5) started > Sending discover... > Sending discover... > Sending discover... > No lease, failing > WARN: /etc/rc3.d/S40-network failed > cloud-setup: checking > http://169.254.169.254/2009-04-04/meta-data/instance-id > wget: can't connect to remote host (169.254.169.254): Network is > unreachable > cloud-setup: failed 1/30: up 10.00. request failed > wget: can't connect to remote host (169.254.169.254): Network is > unreachable > cloud-setup: failed 2/30: up 11.02. request failed > ........... > wget: can't connect to remote host (169.254.169.254): Network is > unreachable > cloud-setup: failed 30/30: up 39.15. request failed > cloud-setup: after 30 fails, debugging > cloud-setup: running debug (30 tries reached) > ############ debug start ############## > ### /etc/rc.d/init.d/sshd start > /etc/rc3.d/S45-cloud-setup: line 66: /etc/rc.d/init.d/sshd: not found > route: fscanf > ### ifconfig -a > eth0 Link encap:Ethernet HWaddr FA:16:3E:D9:8E:97 > inet6 addr: fe80::f816:3eff:fed9:8e97/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:17 errors:0 dropped:0 overruns:0 frame:0 > TX packets:5 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:2062 (2.0 KiB) TX bytes:1134 (1.1 KiB) > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > > ### route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > route: fscanf > ### cat /etc/resolv.conf > cat: can't open '/etc/resolv.conf': No such file or directory > ### gateway not found > /etc/rc3.d/S45-cloud-setup: line 66: can't open /etc/resolv.conf: no such > file > ### pinging nameservers > ### uname -a > Linux cirros 3.0.0-12-virtual #20-Ubuntu SMP Fri Oct 7 18:19:02 UTC 2011 > x86_64 GNU/Linux > ### lsmod > Module Size Used by Not tainted > vfat 17585 0 > fat 61475 1 vfat > isofs 40253 0 > ip_tables 27473 0 > x_tables 29846 1 ip_tables > pcnet32 42078 0 > 8139cp 27412 0 > ne2k_pci 13691 0 > 8390 18856 1 ne2k_pci > e1000 108573 0 > acpiphp 24080 0 > ..... > > > > On Wed, Nov 28, 2012 at 3:44 PM, Razique Mahroua <razique.mahroua@gmail. > > -- *Nuage & Co - Razique Mahroua* [email protected]
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