[Openstack] multiple external networks mapped to the same l3 agent
hey there,
I'm trying to configure two external networks for openstack. I'm using the
same l3 agent. the first external network is connected to eth1 via br-eth1
and the second is connected to eth0 via br-ex.
You can find below my configuration. My problem is that I can't ping the
external gateways from my routers
root@OScontroller ~(keystone_admin)]# ovs-vsctl show
9b3e4cc7-6761-483e-a538-1a132734d1a5
Bridge br-eth2
Port phy-br-eth2
Interface phy-br-eth2
type: patch
options: {peer=int-br-eth2}
Port eth2
Interface eth2
Port br-eth2
Interface br-eth2
type: internal
Bridge br-tun
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Port vxlan-c0a80523
Interface vxlan-c0a80523
type: vxlan
options: {df_default=true, in_key=flow,
local_ip=192.168.5.34, out_key=flow, remote_ip=192.168.5.35}
Bridge br-int
fail_mode: secure
Port tap61f76964-85
tag: 1
Interface tap61f76964-85
type: internal
Port tap599b2f77-21
tag: 4095
Interface tap599b2f77-21
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port qr-2b96e8b6-38
tag: 3
Interface qr-2b96e8b6-38
type: internal
Port qvo5cc221dc-e8
tag: 1
Interface qvo5cc221dc-e8
Port qg-6bfc1340-c6
tag: 4
Interface qg-6bfc1340-c6
type: internal
Port int-br-eth2
Interface int-br-eth2
type: patch
options: {peer=phy-br-eth2}
Port qr-047464e1-99
tag: 5
Interface qr-047464e1-99
type: internal
Port qg-7cbde2a0-f0
tag: 2
Interface qg-7cbde2a0-f0
type: internal
Port qr-9e50bd2e-fa
tag: 1
Interface qr-9e50bd2e-fa
type: internal
Port tapa383b7ae-99
tag: 3
Interface tapa383b7ae-99
type: internal
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port eth0
Interface eth0
ovs_version: 2.3.1
[root@OScontroller openvswitch(keystone_admin)]# cat ovs_neutron_plugin.ini
| grep -v ^# | grep -v ^$
[ovs]
enable_tunneling = True
integration_bridge = br-int
tunnel_bridge = br-tun
local_ip =192.168.5.34
network_vlan_ranges = physnet1,physnet2
bridge_mappings =physnet1:br-ex,physnet2:br-eth2
[agent]
polling_interval = 2
tunnel_types =vxlan
vxlan_udp_port =4789
l2_population = False
arp_responder = False
enable_distributed_routing = False
[securitygroup]
firewall_driver =
neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
[root@OScontroller neutron(keystone_admin)]# cat plugin.ini | grep -v ^# |
grep -v ^$
[ml2]
type_drivers = vxlan
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =10:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True
[root@OScontroller neutron(keystone_admin)]# cat l3_agent.ini | grep -v ^#
| grep -v ^$
[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy
allow_automatic_l3agent_failover=False
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[openstack-dev] multiple external networks mapped to the same l3 agent
hey there,
I'm trying to configure two external networks for openstack. I'm using the
same l3 agent. the first external network is connected to eth1 via br-eth1
and the second is connected to eth0 via br-ex.
You can find below my configuration. My problem is that I can't ping the
external gateways from my routers
root@OScontroller ~(keystone_admin)]# ovs-vsctl show
9b3e4cc7-6761-483e-a538-1a132734d1a5
Bridge br-eth2
Port phy-br-eth2
Interface phy-br-eth2
type: patch
options: {peer=int-br-eth2}
Port eth2
Interface eth2
Port br-eth2
Interface br-eth2
type: internal
Bridge br-tun
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Port vxlan-c0a80523
Interface vxlan-c0a80523
type: vxlan
options: {df_default=true, in_key=flow,
local_ip=192.168.5.34, out_key=flow, remote_ip=192.168.5.35}
Bridge br-int
fail_mode: secure
Port tap61f76964-85
tag: 1
Interface tap61f76964-85
type: internal
Port tap599b2f77-21
tag: 4095
Interface tap599b2f77-21
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port qr-2b96e8b6-38
tag: 3
Interface qr-2b96e8b6-38
type: internal
Port qvo5cc221dc-e8
tag: 1
Interface qvo5cc221dc-e8
Port qg-6bfc1340-c6
tag: 4
Interface qg-6bfc1340-c6
type: internal
Port int-br-eth2
Interface int-br-eth2
type: patch
options: {peer=phy-br-eth2}
Port qr-047464e1-99
tag: 5
Interface qr-047464e1-99
type: internal
Port qg-7cbde2a0-f0
tag: 2
Interface qg-7cbde2a0-f0
type: internal
Port qr-9e50bd2e-fa
tag: 1
Interface qr-9e50bd2e-fa
type: internal
Port tapa383b7ae-99
tag: 3
Interface tapa383b7ae-99
type: internal
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port br-int
Interface br-int
type: internal
Bridge br-ex
Port br-ex
Interface br-ex
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port eth0
Interface eth0
ovs_version: 2.3.1
[root@OScontroller openvswitch(keystone_admin)]# cat ovs_neutron_plugin.ini
| grep -v ^# | grep -v ^$
[ovs]
enable_tunneling = True
integration_bridge = br-int
tunnel_bridge = br-tun
local_ip =192.168.5.34
network_vlan_ranges = physnet1,physnet2
bridge_mappings =physnet1:br-ex,physnet2:br-eth2
[agent]
polling_interval = 2
tunnel_types =vxlan
vxlan_udp_port =4789
l2_population = False
arp_responder = False
enable_distributed_routing = False
[securitygroup]
firewall_driver =
neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
[root@OScontroller neutron(keystone_admin)]# cat plugin.ini | grep -v ^# |
grep -v ^$
[ml2]
type_drivers = vxlan
tenant_network_types = vxlan
mechanism_drivers =openvswitch
[ml2_type_flat]
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =10:100
vxlan_group =224.0.0.1
[securitygroup]
enable_security_group = True
[root@OScontroller neutron(keystone_admin)]# cat l3_agent.ini | grep -v ^#
| grep -v ^$
[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = legacy
allow_automatic_l3agent_failover=False
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