[Openstack] Problem connecting to the VM with quantum and openvswitch

Ask Stack askstack at yahoo.com
Tue May 15 21:52:03 UTC 2012


Hello

I can't ping nor ssh to the VM. By the output of tcpdump, looks like the VM isn't connected to the vswitch but VM got a dhcp IP address.

Any help is greatly appreciated.


openstack-nova-2012.1-3.fc16.noarch
openstack-quantum-2012.1-1.fc16.noarch


[root at core01 ~]# nova-manage network create --label=public --fixed_range_v4=10.10.0.0/24 --project_id=76c41e7de2d0408489e94f8adb5b28ee
[root at core01 ~]# nova-manage network list
id       IPv4                  IPv6               start address      DNS1               DNS2               VlanID             project            uuid           
13       10.10.0.0/24          None               10.10.0.2          8.8.4.4            None               None               76c41e7de2d0408489e94f8adb5b28ee    09656e2d-7f4e-4172-a37a-8cff745044b2


[root at core01 ~]# nova boot --image 2dec19df-b1a0-4091-840f-2c76455d2248 --flavor 1 --nic net-id=09656e2d-7f4e-4172-a37a-8cff745044b2 test-vm1

[root at core01 ~]# nova list
+--------------------------------------+----------+--------+------------------+
|                  ID                  |   Name   | Status |     Networks     |
+--------------------------------------+----------+--------+------------------+
| 760f7622-a223-4fff-9cba-84dc144a6448 | test-vm1 | ACTIVE | public=10.10.0.3 |
+--------------------------------------+----------+--------+------------------+

[root at core01 ~]# ovs-vsctl show
1059a32e-7b7f-4b8a-aef1-b526f3c44b67
    Bridge br-int
        Port "gw-09656e2d-7f"
            tag: 1
            Interface "gw-09656e2d-7f"
                type: internal
        Port br-int
            Interface br-int
                type: internal
        Port "tap3421ac3b-94"
            tag: 1
            Interface "tap3421ac3b-94"
    ovs_version: "1.4.0"
[root at core01 ~]# 
[root at core01 ~]# netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         172.20.0.250    0.0.0.0         UG        0 0          0 em1.777
10.10.0.0       0.0.0.0         255.255.255.0   U         0 0          0 gw-09656e2d-7f
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 em1.777
172.20.0.0      0.0.0.0         255.255.255.0   U         0 0          0 em1.777


[root at core01 nova]# tcpdump -i gw-09656e2d-7f
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on gw-09656e2d-7f, link-type EN10MB (Ethernet), capture size 65535 bytes
17:22:01.410697 ARP, Request who-has 10.10.0.3 tell core01, length 28
17:22:02.412664 ARP, Request who-has 10.10.0.3 tell core01, length 28

[root at core01 nova]# tcpdump -i tap3421ac3b-94
tcpdump: WARNING: tap3421ac3b-94: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tap3421ac3b-94, link-type EN10MB (Ethernet), capture size 65535 bytes
17:25:10.460668 ARP, Request who-has 10.10.0.3 tell core01, length 28
17:25:11.462682 ARP, Request who-has 10.10.0.3 tell core01, length 28





[root at core01 nova]# ifconfig 
em1       Link encap:Ethernet  HWaddr 00:25:90:1C:1B:0E  
          inet6 addr: fe80::225:90ff:fe1c:1b0e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:16529152 errors:0 dropped:4307 overruns:0 frame:0
          TX packets:2913065 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:10432691482 (9.7 GiB)  TX bytes:1351181843 (1.2 GiB)
          Memory:fbd20000-fbd40000 

em1.777   Link encap:Ethernet  HWaddr 00:25:90:1C:1B:0E  
          inet addr:172.20.0.51  Bcast:172.20.0.255  Mask:255.255.255.0
          inet6 addr: fe80::225:90ff:fe1c:1b0e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3742346 errors:0 dropped:15956 overruns:0 frame:0
          TX packets:2500077 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:8927367533 (8.3 GiB)  TX bytes:1323925155 (1.2 GiB)

gw-09656e2d-7f Link encap:Ethernet  HWaddr FA:16:3E:1E:EF:6F  
          inet addr:10.10.0.1  Bcast:10.10.0.255  Mask:255.255.255.0
          inet6 addr: fe80::f816:3eff:fe1e:ef6f/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:140 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:2520 (2.4 KiB)  TX bytes:6096 (5.9 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:6445720 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6445720 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:43788857525 (40.7 GiB)  TX bytes:43788857525 (40.7 GiB)

tap3421ac3b-94 Link encap:Ethernet  HWaddr D6:FD:56:FD:76:FD  
          inet6 addr: fe80::d4fd:56ff:fefd:76fd/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:140 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500 
          RX bytes:2520 (2.4 KiB)  TX bytes:6096 (5.9 KiB)




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