[Openstack] VM Issues on Grizzly Install on Ubuntu 12.04
Farhan Patwa
Farhan.Patwa at utsa.edu
Tue May 28 18:52:04 UTC 2013
Hi Darragh,
Thanks a lot for your reply and suggestions.
I am not able to ping the gateway ip from the namespace.
Also eth0 is up but br-ex has unknown state?
###########################################################################
#######################
root at openstack-2:~# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen
1000
link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen
1000
link/ether 78:2b:cb:27:1f:c9 brd ff:ff:ff:ff:ff:ff
4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether f2:3b:f7:1b:b0:46 brd ff:ff:ff:ff:ff:ff
6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff
32: br-tun: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 7e:6c:65:0f:c9:43 brd ff:ff:ff:ff:ff:ff
###########################################################################
#######################
Here is the result of the tcpdump as ping is being done:
###########################################################################
#######################
root at openstack-2:~# ip netns exec
qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping -c1 10.245.124.253
connect: Network is unreachable
root at openstack-2:~# tcpdump -nei eth0
tcpdump: WARNING: eth0: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
13:46:31.399055 00:26:88:7a:40:87 > 01:80:c2:00:00:00, 802.3, length 60:
LLC, dsap STP (0x42) Individual, ssap STP (0x42) Command, ctrl 0x03: STP
802.1w, Rapid STP, Flags [Proposal], bridge-id
8000.00:26:88:7a:40:81.8205, length 43
13:46:33.259195 c2:35:07:e7:b0:10 > ff:ff:ff:ff:ff:ff, ethertype ARP
(0x0806), length 60: Reply 10.245.0.10 is-at c2:35:07:e7:b0:10, length 46
13:46:33.313988 00:26:88:7a:40:87 > 01:80:c2:00:00:00, 802.3, length 60:
LLC, dsap STP (0x42) Individual, ssap STP (0x42) Command, ctrl 0x03: STP
802.1w, Rapid STP, Flags [Proposal], bridge-id
8000.00:26:88:7a:40:81.8205, length 43
###########################################################################
#######################
The other information that you wanted is:
###########################################################################
#######################
root at openstack-2:~# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen
1000
link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen
1000
link/ether 78:2b:cb:27:1f:c9 brd ff:ff:ff:ff:ff:ff
4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether f2:3b:f7:1b:b0:46 brd ff:ff:ff:ff:ff:ff
6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff
32: br-tun: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 7e:6c:65:0f:c9:43 brd ff:ff:ff:ff:ff:ff
###########################################################################
#######################
root at openstack-2:~# ip netns exec
qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ip address
25: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
39: qr-eebfe1cb-0f: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UNKNOWN
link/ether fa:16:3e:08:16:19 brd ff:ff:ff:ff:ff:ff
inet 50.50.1.1/24 brd 50.50.1.255 scope global qr-eebfe1cb-0f
inet6 fe80::f816:3eff:fe08:1619/64 scope link
valid_lft forever preferred_lft forever
40: qg-910fef3b-cb: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UNKNOWN
link/ether fa:16:3e:e3:d5:fa brd ff:ff:ff:ff:ff:ff
inet 10.245.124.65/26 brd 10.245.124.127 scope global qg-910fef3b-cb
inet 10.245.124.67/32 brd 10.245.124.67 scope global qg-910fef3b-cb
inet6 fe80::f816:3eff:fee3:d5fa/64 scope link
valid_lft forever preferred_lft forever
###########################################################################
#######################
root at openstack-2:~# quantum net-show 37d27ee8-36a9-4cdb-9966-9b5571526b41
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | 37d27ee8-36a9-4cdb-9966-9b5571526b41 |
| name | ext_net |
| provider:network_type | gre |
| provider:physical_network | |
| provider:segmentation_id | 1 |
| router:external | True |
| shared | True |
| status | ACTIVE |
| subnets | dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750 |
| tenant_id | 2990df1bd46c4dda915b43558d591a2f |
+---------------------------+--------------------------------------+
###########################################################################
#######################
root at openstack-2:~# quantum subnet-show
dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750
+------------------+-----------------------------------------------------+
| Field | Value |
+------------------+-----------------------------------------------------+
| allocation_pools | {"start": "10.245.124.65", "end": "10.245.124.126"} |
| cidr | 10.245.124.64/26 |
| dns_nameservers | 10.245.0.10 |
| enable_dhcp | False |
| gateway_ip | 10.245.124.253 |
| host_routes | |
| id | dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750 |
| ip_version | 4 |
| name | |
| network_id | 37d27ee8-36a9-4cdb-9966-9b5571526b41 |
| tenant_id | 2990df1bd46c4dda915b43558d591a2f |
+------------------+-----------------------------------------------------+
###########################################################################
#######################
Thanks,
-Farhan.
On 5/27/13 4:08 AM, "Darragh OReilly" <darragh.oreilly at yahoo.com> wrote:
>
>I'd check the external network config first.
>
>You should be able to ping the external subnet's gateway from the router
>namespace.
>This gateway should correspond to some real external gateway/router.
>
>quantum subnet-show <ext sub id> -c gateway_ip # 10.245.124.1 ?
>ip netns exec <router-ns> ping -c1 <ext sub gateway>
>
>If that is not working use tcpdump as you ping. Br-ex is using eth0, is
>eth0 up? tcpdump -nei eth0
>
>
>If you are still having problems, post the above output and the following:
>
># network node
>ip link
>ip netns exec <router-ns> ip address
>
>quantum net-show <uuid of external net>
>quantum subnet-show <uuid of external subnet>
>
>
>>________________________________
>> From: Farhan Patwa <Farhan.Patwa at utsa.edu>
>>To: OpenStack Maillist <openstack at lists.launchpad.net>
>>Sent: Friday, 24 May 2013, 20:28
>>Subject: [Openstack] VM Issues on Grizzly Install on Ubuntu 12.04
>>
>>
>>
>>Hello,
>>I followed the following guide to install Grizzly release on 3-node
>>setup.
>>http://docs.openstack.org/grizzly/basic-install/apt/content/basic-install
>>_intro.html
>>
>>
>>I am stuck at my last issue with Quantum networking (at least that¹s
>>what I think).
>>The VM instance comes up and gets the private IP and the metadata.
>>Also I have assigned the floating IP to it but am not able to ping
>>either IP except when I use:
>>
>>
>>ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping
>>50.50.1.3 <- fixed IP private network
>>ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping
>>10.24.124.4 <- floating IP external network
>>
>>
>>Based on that I think the security rules are okay
>>The router is tied to the specified tenant and using gateway of the
>>external network.
>>I think the issue is routing table or maybe firewall related but not
>>sure how to debug this.
>>
>>
>>Some details of my environment are below.
>>Any one have any words of wisdom/guidance?
>>
>>
>>Thanks,
>>
>>
>>-Farhan.
>>
>>
>>Management Network: 192.168.0.0/24
>>Data Network: 10.5.5.0/24
>>External Network: 10.245.124.0/24
>>
>>
>>Network Node: (192.168.0.2)
>>ovs-vsctl show
>>ea4fa894-5986-40f2-b10b-55eef2222408
>> Bridge br-tun
>> Port patch-int
>> Interface patch-int
>> type: patch
>> options: {peer=patch-tun}
>> Port "gre-1"
>> Interface "gre-1"
>> type: gre
>> options: {in_key=flow, out_key=flow,
>>remote_ip="192.168.0.3"}
>> Port br-tun
>> Interface br-tun
>> type: internal
>> Bridge br-int
>> Port "tap3fca71a9-c8"
>> tag: 4095
>> Interface "tap3fca71a9-c8"
>> type: internal
>> Port patch-tun
>> Interface patch-tun
>> type: patch
>> options: {peer=patch-int}
>> Port "tap4b8a22a2-9c"
>> tag: 4095
>> Interface "tap4b8a22a2-9c"
>> type: internal
>> Port "tap633ed611-a9"
>> tag: 1
>> Interface "tap633ed611-a9"
>> type: internal
>> Port "qr-eebfe1cb-0f"
>> tag: 1
>> Interface "qr-eebfe1cb-0f"
>> type: internal
>> Port br-int
>> Interface br-int
>> type: internal
>> Bridge br-ex
>> Port "eth0"
>> Interface "eth0"
>> Port br-ex
>> Interface br-ex
>> type: internal
>> Port "qg-910fef3b-cb"
>> Interface "qg-910fef3b-cb"
>> type: internal
>> ovs_version: "1.4.0+build0"
>>
>>
>>Kernel IP routing table
>>Destination Gateway Genmask Flags Metric Ref Use
>>Iface
>>0.0.0.0 192.168.0.253 0.0.0.0 UG 0 0 0
>>eth1
>>10.5.5.0 0.0.0.0 255.255.255.0 U 0 0 0
>>eth1
>>10.245.124.0 0.0.0.0 255.255.255.0 U 0 0 0
>>br-ex
>>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
>>eth1
>>
>>
>>Compute Node: (192.168.0.3)
>>ovs-vsctl show
>>f0fe78a5-dfd0-4f6b-87be-466dac0b4473
>> Bridge br-tun
>> Port patch-int
>> Interface patch-int
>> type: patch
>> options: {peer=patch-tun}
>> Port br-tun
>> Interface br-tun
>> type: internal
>> Port "gre-2"
>> Interface "gre-2"
>> type: gre
>> options: {in_key=flow, out_key=flow,
>>remote_ip="192.168.0.2"}
>> Bridge br-int
>> Port patch-tun
>> Interface patch-tun
>> type: patch
>> options: {peer=patch-int}
>> Port br-int
>> Interface br-int
>> type: internal
>> Port "tap6514a8cc-b2"
>> tag: 1
>> Interface "tap6514a8cc-b2"
>> ovs_version: "1.4.0+build0"
>>
>>
>>Kernel IP routing table
>>Destination Gateway Genmask Flags Metric Ref Use
>>Iface
>>0.0.0.0 192.168.0.253 0.0.0.0 UG 0 0 0
>>eth1
>>10.5.5.0 0.0.0.0 255.255.255.0 U 0 0 0
>>eth1
>>10.245.124.0 0.0.0.0 255.255.255.0 U 0 0 0
>>eth0
>>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
>>eth1
>>
>>
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>>
>
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