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And will it related to iptables, route or metadata server problem ?


On Fri, Mar 8, 2013 at 1:32 PM, Sammy Fung <sammy at icloud43.com> wrote:

> I am configuring openstack to access a VM instance with public IP address
> on  foslom+quantum.
>
> I can ping to fixed IP address of a VM instance but not its floating IP, I
> am looking for a debug method and solution, thanks.
>
> I assigned floating IP to a VM instance.
>
> # quantum floatingip-show 191cb114-8f25-4ee1-a215-a59c60e7a13c
> +---------------------+--------------------------------------+
> | Field               | Value                                |
> +---------------------+--------------------------------------+
> | fixed_ip_address    | 10.3.1.3                            |
> | floating_ip_address | 75.11.96.101                       |
> | floating_network_id | 0ee08028-7edf-44b9-9af8-1297ed1a883a |
> | id                  | 191cb114-8f25-4ee1-a215-a59c60e7a13c |
> | port_id             | b76ca11f-052b-47e1-8677-0db3f3a81572 |
> | router_id           | 91e6f0e8-94ff-4fc7-94e1-2e5c3945f4db |
> | tenant_id           | 829134df7d6947f8a7386d439f05f7f7     |
> +---------------------+--------------------------------------+
>
> Hereby is current routing table on control/network node.
>
> # route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 0.0.0.0         175.111.96.3    0.0.0.0         UG    0      0        0
> br-ex
> 0.0.0.0         175.111.96.3    0.0.0.0         UG    100    0        0
> br-ex
> 10.3.0.0       0.0.0.0         255.255.255.0   U     0      0        0 eth2
> 10.3.1.0       0.0.0.0         255.255.255.0   U     0      0        0
> tap751ff52a-b0
> 75.11.96.0    0.0.0.0         255.255.255.0   U     0      0        0 br-ex
> 192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0
> virbr0
>
> And hereby is subnet of external network in quantum.
> # quantum subnet-show c429280a-a3fc-4715-b925-4797c29e12c4
> +------------------+------------------------------------------------------+
> | Field            | Value                                                |
> +------------------+------------------------------------------------------+
> | allocation_pools | {"start": "75.11.96.100", "end": "75.11.96.109"} |
> | cidr             | 75.11.96.0/24                                      |
> | dns_nameservers  |                                                      |
> | enable_dhcp      | False                                                |
> | gateway_ip       | 75.11.96.3                                         |
> | host_routes      |                                                      |
> | id               | c429280a-a3fc-4715-b925-4797c29e12c4                 |
> | ip_version       | 4                                                    |
> | name             |                                                      |
> | network_id       | 0ee08028-7edf-44b9-9af8-1297ed1a883a                 |
> | tenant_id        | 829134df7d6947f8a7386d439f05f7f7                     |
> +------------------+------------------------------------------------------+
>
>
> Anything I should check for this case ?
>
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