[Openstack] How to ping instance IP ?

Wilson Kwok leiw324 at gmail.com
Wed May 6 03:01:06 UTC 2015


Hello,

I forgot to tell everyone this lab is using icehouse, I have TP-Link router
public IP address is 119.101.54.x, lan IP address is 172.28.0.1, floating
IP range already enable on instance, so below is new simply home lab
diagram:


TP-link router = public IP address 119.101.54.x and lan IP address
172.28.0.1

Home computer = 172.28.0.130

Ubuntu eth0 (no IP address) and eth1 172.28.0.105 (for managmeent)

br100 IP address = 10.0.47.1 map to eth0

instance01 IP address = 10.0.47.2

I don't understand what's "which interface/bridge your neutron router is
attached to"

When I type "neutron router-list" have following error:

Cloud not find Service or Region in Service Catalog.

and my lab do not have 172.24.0.0 subnet, please help.


於 2015/5/6 上午12:12,"Brian Haley" <brian.haley at hp.com> 寫道:

> On 05/05/2015 09:47 AM, Wilson Kwok wrote:
>
>> Hello,
>>
>> Here is my home lap network settings:
>>
>> Home computer 172.28.0.130
>>
>> Ubuntu eth0 (no IP address)
>>         eth1 172.28.0.105 (for managmeent)
>>
>> br100 10.0.47.1 map to eth0
>>
>> instance01 10.0.47.2
>>
>
> This is your floating IP, right?
>
>  My question is home computer can't ping instance01 10.0.47.2, even Ubuntu
>> itselves,
>> I already allow security group ICMP ALL, can anyone help ?
>>
>
> You will need to add a route, but to do that you'll need to know which
> interface/bridge your neutron router is attached to.  Assuming it is br100
> it would be something like this:
>
> $ neutron router-list
> ...
> "ip_address": "172.24.0.2"
> ...
>
> # ip r add 10/8 via 172.24.0.2 dev br100
>
> Devstack does a lot of this during setup, even if you're not using it
> sometimes looking at the things it does might be helpful - see file
> lib/neutron-legacy
>
> -Brian
>
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