[Openstack] Two Neutron two interface DOWN

Wilson Kwok leiw324 at gmail.com
Wed May 20 14:30:24 UTC 2015


Hello,

Please see attached screenshot, you can see the instance can get DHCP from
Neutron router, but still cannot ping router IP.

Thanks

2015-05-20 14:14 GMT+08:00 Andreas Scheuring <scheuran at linux.vnet.ibm.com>:

> That's easy ;)
> Just have a look at the console, it's saying
>
> user: cirros
> password: cubswin:)
>
> That's working perfectly, unless you're not setting something else with
> cloud-init.
>
> --
> Andreas
> (irc: scheuran)
>
>
> On Wed, 2015-05-20 at 09:06 +0800, Wilson Kwok wrote:
> > Hi Andreas,
> >
> >
> > Thanks for helping this newbie :D
> >
> >
> > I don't know the password of the instance.
> >
> >
> > Thanks
> >
> > 2015-05-20 4:12 GMT+08:00 Andreas Scheuring
> > <scheuran at linux.vnet.ibm.com>:
> >         Wilson,
> >         you can at least access your instance using the vnc console
> >         you already
> >         showed. If it's not working in the view you had screenshoted,
> >         use the
> >         link saying "show console only" or something like that. Then
> >         you should
> >         be able to log in to your instance. From there try to ping
> >         your internal
> >         and external gateway and see how for you get...
> >
> >
> >         The Security Group rules look fine!
> >
> >         But in order to find out the real issue, it would be great if
> >         you
> >         collect the following data. Without that info it's just
> >         guessing...
> >         Just paste it into the mail:
> >
> >
> >         # Authenticate to your cloud [1] and then run the following
> >         command to
> >         show all the details of your external network:
> >         > neutron net-show home
> >
> >         #Run these commands to collect more information about your
> >         host setup
> >
> >         > ovs-vsctl show
> >
> >         > ip a
> >
> >         > ps -ax | grep neutron-
> >
> >         > cat /etc/neutron/plugin.ini
> >
> >         > cat /etc/neutron/plugins/ml2/ml2_conf.ini
> >
> >
> >         [1]
> >         http://docs.openstack.org/cli-reference/content/cli_openrc.html
> >
> >
> >
> >
> >         --
> >         Andreas
> >         (irc: scheuran)
> >
> >
> >         On Tue, 2015-05-19 at 20:42 +0800, Wilson Kwok wrote:
> >         > Also attached ifconfig to you.
> >         >
> >         > 2015-05-19 20:35 GMT+08:00 Wilson Kwok <leiw324 at gmail.com>:
> >         >         And the security group for this instance, please see
> >         attached.
> >         >
> >         >         2015-05-19 20:33 GMT+08:00 Wilson Kwok
> >         <leiw324 at gmail.com>:
> >         >                 Hi Andreas,
> >         >
> >         >
> >         >                 The instance created (Please see attached
> >         >                 console.jpg), and it floating ip is
> >         172.28.0.201
> >         >                 (Please see attached floating IP.jpg),
> >         inside of my
> >         >                 home PC can't ping 172.28.0.201, so I can't
> >         use
> >         >                 keypair to access this instance, any idea ?
> >         >
> >         >
> >         >                 Thanks
> >         >
> >         >
> >         >                 2015-05-19 14:24 GMT+08:00 Andreas Scheuring
> >         >                 <scheuran at linux.vnet.ibm.com>:
> >         >                         Hi Wilson,
> >         >                         don't get hung up on the port state
> >         for now,
> >         >                         let's focus on on your
> >         >                         "ping" test that is not working.
> >         >
> >         >                         I had a brief look at the pictures
> >         you
> >         >                         attached. The first thing that
> >         >                         caught my attention is that your
> >         instance is
> >         >                         shut off. So no chance to
> >         >                         ping it anyhow!
> >         >
> >         >                         If it's still not working with a
> >         running
> >         >                         instance. Check your security
> >         >                         groups setup. The Security Group
> >         attached to
> >         >                         your instance needs a rule
> >         >                         like this in order to ping your
> >         guest from
> >         >                         outside:
> >         >                         Ingress - CIDR 0.0.0.0/0 - icmp
> >         >
> >         >
> >         >                         And if you still have problems, we
> >         need to
> >         >                         have a look at your setup.
> >         >                         Please provide the following
> >         information to
> >         >                         allow further debugging. I
> >         >                         assume you configured your cloud
> >         with
> >         >                         Openvswitch...
> >         >
> >         >
> >         >
> >         >                         From your Controller Node:
> >         >
> >         >                         # Authenticate to your cloud [1] and
> >         then run
> >         >                         the following command to
> >         >                         show all the details of your
> >         external network:
> >         >                         > neutron net-show home
> >         >
> >         >                         #Run these commands to collect more
> >         >                         information about your host setup
> >         >
> >         >                         > ovs-vsctl show
> >         >
> >         >                         > ip a
> >         >
> >         >                         > ps -ax | grep neutron-
> >         >
> >         >                         > cat /etc/neutron/plugin.ini
> >         >
> >         >                         >
> >         cat /etc/neutron/plugins/ml2/ml2_conf.ini
> >         >
> >         >
> >         >                         [1]
> >         >
> >          http://docs.openstack.org/cli-reference/content/cli_openrc.html
> >         >
> >         >
> >         >
> >         >                         --
> >         >                         Andreas
> >         >                         (irc: scheuran)
> >         >
> >         >
> >         >                         On Mon, 2015-05-18 at 22:38 +0800,
> >         Wilson Kwok
> >         >                         wrote:
> >         >                         > Anyone can help ?
> >         >                         >
> >         >                         > 2015-05-18 0:03 GMT+08:00 Wilson
> >         Kwok
> >         >                         <leiw324 at gmail.com>:
> >         >                         >         Hello all,
> >         >                         >
> >         >                         >
> >         >                         >         I have Neutron router of
> >         two
> >         >                         interfaces DOWN problem, below is
> >         >                         >         my home lab simple diagram
> >         and
> >         >                         attached the Network Topology:
> >         >                         >
> >         >                         >
> >         >                         >         Home Subnet =
> >         172.28.0.0/16
> >         >                         >
> >         >                         >
> >         >                         >         Openstack host computer =
> >         >                         172.28.0.150
> >         >                         >
> >         >                         >
> >         >                         >         I created Neutron home
> >         network =
> >         >                         172.28.0.0/16
> >         >                         >
> >         >                         >
> >         >                         >         Neutron router = extneral
> >         >                         gateway(DOWN): 172.28.0.200 and
> >         >                         >         internat gateway(DOWN):
> >         192.168.0.1
> >         >                         >
> >         >                         >
> >         >                         >         I created Neutron instance
> >         network =
> >         >                         192.168.0.0/24
> >         >                         >
> >         >                         >
> >         >                         >         Is my network settings
> >         problem? and
> >         >                         I already assigned
> >         >                         >         Floating IP for instance
> >         that wanna
> >         >                         Openstack host computer
> >         >                         >         can ping instance, what
> >         can I do?
> >         >                         >
> >         >                         >
> >         >                         >         Thanks
> >         >                         >
> >         >                         >
> >         >                         >
> >         >
> >         >                         >
> >         >
> >          _______________________________________________
> >         >                         > Mailing list:
> >         >
> >          http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> >         >                         > Post to     :
> >         openstack at lists.openstack.org
> >         >                         > Unsubscribe :
> >         >
> >          http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> >         >
> >         >
> >         >
> >         >
> >         >
> >         >
> >         >
> >
> >
> >
> >
>
>
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