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no ping to Instance from neutron-gateway/0 - error "Destination Host Unreachable"

Previous: Answer by zxslm for I performed a cluster node installation using this guide [OpenStack Charms Deployment Guide].(https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/latest/install-maas.html), where the type of network is a Flat network and the components used are: Maas Juju Openstack My lab is composed by following devices: 1 IBM System 3540 M4 Maas (500GB HDD - 8GB RAM - 1 Nic) 1 IBM System 3540 M4 Juju (500GB HDD - 8GB RAM -1 Nic) 4 IBM System 3540 M4 Openstack (500GBx2 HDD - 16GB RAM - 2 Nic) 1 Palo Alto Network Firewall Public Network 10.20.81.0/24 - Private Network 10.0.0.0/24 Maas: 10.20.81.1 Juju: 10.20.81.2 Openstack 10.20.81.21-24 Gateway 10.20.81.254 Instance: 10.0.0.9 - 10.20.81.215 (floating) Network plan 10.20.81.0/24 +-------------+ Firewall 10.20.81.254 +-------------+ | +-------------------------------------------------------------+ Switch vlan81 vlan81 vlan81 +-------------------------------------------------------------+ | | || | | | +--------------+ +------------+ +------------------+ |Maas+Juju |Juju Gui| |Openstack |10.20.81.1 |10.20.81.2 |10.20.81.21-24 +--------------+ +-------------+ +------------------+ | +--------------------------------------------+ Private Subnet-1 Public Subnet-2 10.0.0.0/24 10.20.81.0/24 +---+----+--+ +----+------+ | | +----+ | | | | | | | +--------+ VR +-------------+ | | | +--+-+ +----+ | | | VM | | .9 | | | +----+ On my lab, the nodes for Openstack present two eth interface, the first one (eno2) the single external network used as floating IP, then the other one (eno3) for the private network. I can not reach teh install via SSH or ping Maas route: $: ip route default via 10.20.81.254 dev enp2s0 proto static 10.20.81.0/24 dev enp2s0 proto kernel scope link src 10.20.81.1 Juju Controller: ubuntu@juju-controller:~$ ip route default via 10.20.81.254 dev enp8s0 proto static 10.20.81.0/24 dev enp8s0 proto kernel scope link src 10.20.81.2 Compute Nodes: ubuntu@os-compute01:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.21 10.38.53.0/24 dev lxdbr0 proto kernel scope link src 10.38.53.1 ubuntu@os-compute02:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.22 10.104.230.0/24 dev lxdbr0 proto kernel scope link src 10.104.230.1 ubuntu@os-compute03:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.23 10.126.34.0/24 dev lxdbr0 proto kernel scope link src 10.126.34.1 ubuntu@os-compute04:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.24 10.72.47.0/24 dev lxdbr0 proto kernel scope link src 10.72.47.1 Router: $:openstack router show u1804Ro Password: +-------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | nova | | created_at | 2019-02-28T22:27:36Z | | description | | | distributed | False | | external_gateway_info | {"network_id": "e2ba9320-b1cb-4fd8-acd8-b4d9df9df819", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "b3ae37b6-487b-4063-8d69-ec849fd9c9c7", "ip_address ... (more)
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I performed a cluster node installation using this guide [OpenStack Charms Deployment Guide].(https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/latest/install-maas.html), where the type of network is a Flat network and the components used are: - Maas - Juju - Openstack My lab is composed by following devices: - 1 IBM System 3540 M4 Maas (500GB HDD - 8GB RAM - 1 Nic) - 1 IBM System 3540 M4 Juju (500GB HDD - 8GB RAM -1 Nic) - 4 IBM System 3540 M4 Openstack (500GBx2 HDD - 16GB RAM - 2 Nic) - 1 Palo Alto Network Firewall Public Network 10.20.81.0/24 - Private Network 10.0.0.0/24 - Maas: 10.20.81.1 - Juju: 10.20.81.2 - Openstack 10.20.81.21-24 - Gateway 10.20.81.254 - Instance: 10.0.0.9 - 10.20.81.215 (floating) Network plan 10.20.81.0/24 +-------------+ Firewall 10.20.81.254 +-------------+ | +-------------------------------------------------------------+ Switch vlan81 vlan81 vlan81 +-------------------------------------------------------------+ | | || | | | +--------------+ +------------+ +------------------+ |Maas+Juju |Juju Gui| |Openstack |10.20.81.1 |10.20.81.2 |10.20.81.21-24 +--------------+ +-------------+ +------------------+ | +--------------------------------------------+ Private Subnet-1 Public Subnet-2 10.0.0.0/24 10.20.81.0/24 +---+----+--+ +----+------+ | | +----+ | | | | | | | +--------+ VR +-------------+ | | | +--+-+ +----+ | | | VM | | .9 | | | +----+ On my lab, the nodes for Openstack present two eth interface, the first one (eno2) the single external network used as floating IP, then the other one (eno3) for the private network. I can not reach teh install via SSH or ping Maas route: $: ip route default via 10.20.81.254 dev enp2s0 proto static 10.20.81.0/24 dev enp2s0 proto kernel scope link src 10.20.81.1 Juju Controller: ubuntu@juju-controller:~$ ip route default via 10.20.81.254 dev enp8s0 proto static 10.20.81.0/24 dev enp8s0 proto kernel scope link src 10.20.81.2 Compute Nodes: ubuntu@os-compute01:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.21 10.38.53.0/24 dev lxdbr0 proto kernel scope link src 10.38.53.1 ubuntu@os-compute02:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.22 10.104.230.0/24 dev lxdbr0 proto kernel scope link src 10.104.230.1 ubuntu@os-compute03:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.23 10.126.34.0/24 dev lxdbr0 proto kernel scope link src 10.126.34.1 ubuntu@os-compute04:~$ ip route default via 10.20.81.254 dev br-eno2 proto static 10.20.81.0/24 dev br-eno2 proto kernel scope link src 10.20.81.24 10.72.47.0/24 dev lxdbr0 proto kernel scope link src 10.72.47.1 Router: $:openstack router show u1804Ro Password: +-------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | nova | | created_at | 2019-02-28T22:27:36Z | | description | | | distributed | False | | external_gateway_info | {"network_id": "e2ba9320-b1cb-4fd8-acd8-b4d9df9df819", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "b3ae37b6-487b-4063-8d69-ec849fd9c9c7", "ip_address": "10.20.81.212"}]} | | flavor_id | None | | ha | False | | id | fc288112-3fce-405d-9c3f-5451253de4f0 | | interfaces_info | [{"subnet_id": "c7fcfa82-ec70-4917-8f24-7074bf22743b", "ip_address": "10.0.0.1", "port_id": "84693247-3f86-4c84-b0f6-aa8bd95c6c16"}] | | name | u1804Ro | | project_id | 1f4809b5083549c1a35c4c023487752c | | revision_number | 8 | | routes | | | status | ACTIVE | | tags | | | updated_at | 2019-03-01T14:02:46Z | +-------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ Security Group list $:openstack security group list Password: +--------------------------------------+----------+-----------------------------+----------------------------------+ | ID | Name | Description | Project | +--------------------------------------+----------+-----------------------------+----------------------------------+ | 57f3fbd9-7574-4116-826f-083a1241bc0f | default | Default security group | 3e59e7cde179423abcdce8fe431fbea0 | | c242b952-8b07-4d25-b24e-ada213cc116f | u1804Sec | Security Group for u1804Pro | 3e59e7cde179423abcdce8fe431fbea0 | +--------------------------------------+----------+-----------------------------+----------------------------------+ Security Group rule list $:openstack security group rule list Password: +--------------------------------------+-------------+-----------+------------+--------------------------------------+--------------------------------------+ | ID | IP Protocol | IP Range | Port Range | Remote Security Group | Security Group | +--------------------------------------+-------------+-----------+------------+--------------------------------------+--------------------------------------+ | 056bb19b-a39a-4344-858a-db2475527079 | None | None | | None | 7b84b8c5-c494-4b11-969d-3c9a91c895d9 | | 13b2c550-026e-4b3a-9eeb-9f033cbbcc8c | None | None | | None | 7b84b8c5-c494-4b11-969d-3c9a91c895d9 | | 2bec1af4-1ef4-4e50-bbb7-ae4aad7ff90e | None | None | | None | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | | 3aab1901-c847-442f-a39b-dbfdd3a46035 | None | None | | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | | 3b33d585-c25a-4aea-98ad-a35ba347f9ba | None | None | | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | | 54588c4b-d20a-41be-a66f-03f79ff1ed85 | None | None | | None | 28f878c2-e2d3-454e-8803-29c42cc76ad6 | | c9a7222e-e203-45cd-aa94-b75d12033672 | tcp | 0.0.0.0/0 | 22:22 | None | 7b84b8c5-c494-4b11-969d-3c9a91c895d9 | | fa8069ed-6110-40be-b3cd-d1f60431cb64 | icmp | 0.0.0.0/0 | | None | 7b84b8c5-c494-4b11 -969d-3c9a91c895d9 | +--------------------------------------+-------------+-----------+------------+--------------------------------------+--------------------------------------+ anyone can help me to solve that? thanks in advance

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