[Starlingx-discuss] Flat Network not working on STX R2.0

[Ezpeer Chen]

Dear all,

add additional information:
The nova:dhcp 's ip could ping to PC/NB.


Thanks


Ezpeer Chen <ezpeerchen at gmail.com> 於 2019年9月17日 週二 下午4:30寫道：

> Dear Chenjie,
>
> I follow this document:
> https://wiki.openstack.org/wiki/StarlingX/Networking
>
> Section:
>
>    - Configure the flat network.
>
>
>
> My procedure on STX R1.0 is working, but not working on STX R2.0.
>
> data network(VM instance 192.168.100.X/24)  <=====> L2 switch  <====>
> PC/NB 192.168.100.x/24
>
>
> VM instance ping to PC/NB fail on STX R2.0.
>
>
> Thanks
>
>
>
>
>
>
> Xu, Chenjie <chenjie.xu at intel.com> 於 2019年9月17日 週二 下午4:23寫道：
>
>> Hi Ezpeer,
>>
>> Could you please share all your steps for stx2.0 including creating
>> datanetwork, binding interface to datanetwork and so on.
>>
>>
>>
>> The following commands will create an internal flat network for VMs:
>>
>> openstack network create --project ${ADMINID}
>> --provider-network-type=flat --provider-physical-network=phy-flat netflat
>>
>>
>>
>> Typically you should not create VMs on external network. You should
>> create an internal network and create VMs on internal network. The external
>> network and internal network should be connected by router. Then you can
>> ping external network in VM. The below commands can be referred:
>>
>> ADMINID=`openstack project list | grep admin | awk '{print $2}'`
>>
>> PHYSNET0='flat_external'
>>
>> PHYSNET1='flat_internal'
>>
>> PUBLICNET='public-net0'
>>
>> EXTERNALNET='external-net0'
>>
>> PUBLICSUBNET='public-subnet0'
>>
>> EXTERNALSUBNET='external-subnet0'
>>
>> PUBLICROUTER='public-router0'
>>
>>
>>
>> openstack network create --project ${ADMINID}
>> --provider-network-type=flat --provider-physical-network=${PHYSNET0}
>> --share --external ${EXTERNALNET}
>>
>> openstack network create --project ${ADMINID}
>> --provider-network-type=flat --provider-physical-network=${PHYSNET1}
>> ${PUBLICNET}
>>
>> PUBLICNETID=`openstack network list | grep ${PUBLICNET} | awk '{print
>> $2}'`
>>
>> EXTERNALNETID=`openstack network list | grep ${EXTERNALNET} | awk '{print
>> $2}'`
>>
>> openstack subnet create --project ${ADMINID} ${PUBLICSUBNET} --network
>> ${PUBLICNET} --subnet-range 192.168.101.0/24
>>
>> openstack subnet create --project ${ADMINID} ${EXTERNALSUBNET} --gateway
>> 192.168.100.1 --no-dhcp --network ${EXTERNALNET} --subnet-range
>> 192.168.100.0/24 --ip-version 4
>>
>> openstack router create ${PUBLICROUTER}
>>
>> PUBLICROUTERID=`openstack router list | grep ${PUBLICROUTER} | awk
>> '{print $2}'`
>>
>> openstack router set ${PUBLICROUTER} --external-gateway ${EXTERNALNETID}
>> --disable-snat
>>
>> openstack router add subnet ${PUBLICROUTER} ${PUBLICSUBNET}
>>
>>
>>
>> Best Regards,
>>
>> Xu, Chenjie
>>
>>
>>
>> *From:* Ezpeer Chen [mailto:ezpeerchen at gmail.com]
>> *Sent:* Tuesday, September 17, 2019 3:45 PM
>> *To:* starlingx-discuss at lists.starlingx.io
>> *Subject:* [Starlingx-discuss] Flat Network not working on STX R2.0
>>
>>
>>
>> Dear all,
>>
>>
>>
>> Please help check if this is my misunderstanding.
>>
>>
>>
>> Issue:
>>
>> Flat Network not working on STX R2.0 but it's working on STX R1.0. VM
>> instance can't ping to public network with static IP configuration.
>>
>>
>>
>>
>>
>> Create Flat network on STX R1.0:
>>
>> =============================================================
>>
>> #ADMINID=`openstack project list | grep admin | awk '{print $2}'`
>> #openstack network create --project ${ADMINID}
>> --provider-network-type=flat --provider-physical-network=phy-flat netflat
>> #openstack subnet create --project ${ADMINID} netflat-subnet --network
>> netflat --subnet-range 192.168.100.0/24
>> #openstack server create --image cirros --flavor m1.tiny --network
>> netflat vm1
>>
>>
>>
>> =============================================================
>>
>>
>>
>> Interface setting on STXR2.0:
>>
>>
>>
>> [sysadmin at controller-0 ~(keystone_admin)]$ system host-if-list
>> controller-0
>>
>> +--------------------------------------+-----------+-----------+----------+------+----------------+------+---------+---------------------------+
>> | uuid                                 | name      | class     | type
>> | vlan | ports          | uses | used by | attributes                |
>> |                                      |           |           |
>>  | id   |                | i/f  | i/f     |                           |
>>
>> +--------------------------------------+-----------+-----------+----------+------+----------------+------+---------+---------------------------+
>> | e0b545f0-dc0d-4c6c-9327-0008191cf3e6 | enp3s0    | data      | ethernet
>> | None | [u'enp3s0']    | []   | []      | MTU=1500,accelerated=True |
>>
>>
>> [sysadmin at controller-0 ~(keystone_admin)]$ system datanetwork-list
>> +--------------------------------------+----------+--------------+------+
>> | uuid                                 | name     | network_type | mtu  |
>> +--------------------------------------+----------+--------------+------+
>> | b42f45d1-a474-47cc-b603-8c3b4e50189b | phy-flat | flat         | 1500 |
>>
>>
>> [sysadmin at controller-0 ~(keystone_admin)]$ system
>> interface-datanetwork-list  controller-0
>>
>> +--------------+--------------------------------------+-----------+------------------+
>> | hostname     | uuid                                 | ifname    |
>> datanetwork_name |
>>
>> +--------------+--------------------------------------+-----------+------------------+
>> | controller-0 | 88dd6d9c-fd66-4034-98d5-c6a2155a5085 | enp3s0    |
>> phy-flat         |
>>
>> +--------------+--------------------------------------+-----------+------------------+
>>
>>
>>
>>
>>
>> Create Flat network on STX R2.0:
>>
>> =============================================================
>>
>> #export OS_CLOUD=openstack_helm
>> #ADMINID=`openstack project list | grep admin | awk '{print $2}'`
>> #openstack network create --project ${ADMINID}
>> --provider-network-type=flat --provider-physical-network=phy-flat netflat
>> #openstack subnet create --project ${ADMINID} netflat-subnet --network
>> netflat --subnet-range 192.168.100.0/24
>> #openstack server create --project ${ADMINID} --image cirros --flavor
>> m1.tiny --network netflat vm1
>>
>>
>>
>> =============================================================
>>
>>
>>
>>
>>
>> The same procedure to create flat network on STX R1.0  and R2.0.
>>
>>
>>
>> But the vm instance can't get ip and can't ping to public network with
>> static IP configuration on STX R2.0.
>>
>>
>>
>> Please help check this issue.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Thanks
>>
>>
>>
>
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