Hello,
Can somebody help me?
I'm setting up openstack(Grizzily) + Ryu controller (gre tunneling)
But, VMs are unable to get IP address from DHCP server on network node
through GRE tunnel.
my environment is the following
Three nodes installation.
1) controller node : Quantum-server
2) network node : quantum-l3, dhcp,meta-agent, Ryu-controller,
quantum-plugin-ryu-agent
3) compute node : nova-compute, quantum-plugin-ryu-agent
VM/network/subnet/router creation work fine without any error.
I started ryu-manager with the following configuration.
- ryu.conf
[DEFAULT]
app_lists =
ryu.app.quantum_adapter,ryu.app.rest,ryu.app.rest_conf_switch,ryu.app.rest_quantum,ryu.app.rest_tunnel,ryu.app.tunnel_port_updater,ryu.app.gre_tunnel
wsapi_host = 0.0.0.0
wsapi_port = 8080
ofp_listen_host = 0.0.0.0
ofp_tcp_listen_port = 6633
quantum_url=http://192.168.20.10:9696
quantum_admin_username=quantum
quantum_admin_password=service_pass
quantum_admin_tenant_name=service
quantum_admin_auth_url=http://192.168.20.10:35357/v2.0
quantum_auth_strategy=keystone
quantum_controller_addr = tcp:192.168.20.11:6633
GRE tunnel port creation also works fine on network node and compute node.
- Network node
Bridge br-int
Controller "tcp:192.168.20.11:6633"
is_connected: true
Port br-int
Interface br-int
type: internal
Port "tap73d64500-87"
Interface "tap73d64500-87"
type: internal
Port "grec0a80a0c-c0"
Interface "grec0a80a0c-c0"
type: gre
options: {key=flow, local_ip="192.168.10.11",
remote_ip="192.168.10.12"}
- Compute node
3172aa48-bfcc-466e-ab0e-bb6da2fac401
Manager "ptcp:6634"
Bridge br-int
Controller "tcp:192.168.20.11:6633"
is_connected: true
Port "tap78a20670-5b"
Interface "tap78a20670-5b"
Port "grec0a80a0b-c0"
Interface "grec0a80a0b-c0"
type: gre
options: {key=flow, local_ip="192.168.10.12",
remote_ip="192.168.10.11"}
Port br-int
Interface br-int
type: internal
the following is flow table
- network node
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=176.893s, table=0, n_packets=0, n_bytes=0,
priority=16384,in_port=3 actions=drop
cookie=0x0, duration=176.893s, table=0, n_packets=2, n_bytes=644,
tun_id=0xe,in_port=3 actions=resubmit(,2)
cookie=0x0, duration=176.893s, table=1, n_packets=0, n_bytes=0,
tun_id=0xe,dl_dst=fa:16:3e:98:bf:53 actions=output:3,resubmit(,2)
cookie=0x0, duration=176.893s, table=1, n_packets=0, n_bytes=0,
priority=16384,tun_id=0xe,dl_dst=ff:ff:ff:ff:ff:ff
actions=output:3,resubmit(,2)
- compute node
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=41.187s, table=0, n_packets=0, n_bytes=0,
priority=16384,in_port=1 actions=drop
cookie=0x0, duration=40.988s, table=0, n_packets=0, n_bytes=0,
priority=16384,in_port=2 actions=drop
cookie=0x0, duration=40.988s, table=0, n_packets=0, n_bytes=0,
tun_id=0xe,in_port=2 actions=resubmit(,2)
cookie=0x0, duration=41.187s, table=0, n_packets=0, n_bytes=0,
in_port=1,dl_src=fa:16:3e:98:bf:53 actions=set_tunnel:0xe,resubmit(,1)
cookie=0x0, duration=41.187s, table=1, n_packets=0, n_bytes=0,
priority=8192,tun_id=0xe actions=resubmit(,2)
cookie=0x0, duration=40.988s, table=1, n_packets=0, n_bytes=0,
tun_id=0xe,dl_dst=fa:16:3e:a5:79:f4 actions=output:2,resubmit(,2)
cookie=0x0, duration=40.988s, table=1, n_packets=0, n_bytes=0,
priority=16384,tun_id=0xe,dl_dst=ff:ff:ff:ff:ff:ff
actions=output:2,resubmit(,2)
cookie=0x0, duration=40.988s, table=1, n_packets=0, n_bytes=0,
tun_id=0xe,dl_dst=fa:16:3e:ca:44:a1 actions=output:2,resubmit(,2)
cookie=0x0, duration=41.187s, table=2, n_packets=0, n_bytes=0,
priority=8192,tun_id=0xe actions=drop
cookie=0x0, duration=41.187s, table=2, n_packets=0, n_bytes=0,
tun_id=0xe,dl_dst=fa:16:3e:98:bf:53 actions=output:1
cookie=0x0, duration=41.187s, table=2, n_packets=0, n_bytes=0,
priority=16384,tun_id=0xe,dl_dst=ff:ff:ff:ff:ff:ff actions=output:1
if you look at the second entry of flow table on network node, the actions
is resubmit(,2) but there is no table=2.
I guess this is the cause that my VM's DHCP request is unable to reach to
DHCP server.
is this normal? or Am I missing anything?
Thanks
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