Il giorno Aug 22, 2014, alle ore 5:05, David Pintor
<[email protected]> ha scritto:
Hi,
I have followed the Icehouse doc to install a 3 node environment in
CentOS:
http://docs.openstack.org/icehouse/install-guide/install/yum/content/basics-neutron-networking-network-node.html
In my network node, my external NIC is configured witout IP as per
the documentation.
[root@network ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2
DEVICE=eth2
UUID=4a1e4bc2-dac3-4c0a-985a-5a4a2203196e
BOOTPROTO=none
ONBOOT=yes
TYPE=Ethernet
HWADDR=00:0c:29:8d:cc:0a
However I cannot ping the external network (.80 is the virtual
router).
[root@network ~]# ping 192.168.50.80
PING 192.168.50.80 (192.168.50.80) 56(84) bytes of data.
From 10.0.0.21 icmp_seq=1 Destination Host Unreachable
From 10.0.0.21 icmp_seq=2 Destination Host Unreachable
From 10.0.0.21 icmp_seq=3 Destination Host Unreachable
This is the info of my environment:
[root@network ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP qlen 1000
link/ether 00:0c:29:8d:cc:f6 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.21/24 brd 10.0.0.255 scope global eth0
inet6 fe80::20c:29ff:fe8d:ccf6/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP qlen 1000
link/ether 00:0c:29:8d:cc:00 brd ff:ff:ff:ff:ff:ff
inet 10.0.1.21/24 brd 10.0.1.255 scope global eth1
inet6 fe80::20c:29ff:fe8d:cc00/64 scope link
valid_lft forever preferred_lft forever
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP qlen 1000
link/ether 00:0c:29:8d:cc:0a brd ff:ff:ff:ff:ff:ff
inet6 fe80::20c:29ff:fe8d:cc0a/64 scope link
valid_lft forever preferred_lft forever
5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
link/ether 9e:d9:ee:cf:18:ff brd ff:ff:ff:ff:ff:ff
6: br-ex: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 00:0c:29:8d:cc:0a brd ff:ff:ff:ff:ff:ff
inet6 fe80::80c0:34ff:fea7:ab5e/64 scope link
valid_lft forever preferred_lft forever
10: qr-d0661ff1-a9: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
state UNKNOWN
link/ether 2a:6d:c7:81:de:8e brd ff:ff:ff:ff:ff:ff
inet6 fe80::286d:c7ff:fe81:de8e/64 scope link
valid_lft forever preferred_lft forever
11: br-int: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 6a:aa:36:da:13:45 brd ff:ff:ff:ff:ff:ff
inet6 fe80::c058:39ff:fe4c:20f6/64 scope link
valid_lft forever preferred_lft forever
13: br-tun: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 56:74:ff:da:74:43 brd ff:ff:ff:ff:ff:ff
inet6 fe80::9802:72ff:fed0:f05a/64 scope link
valid_lft forever preferred_lft forever
[root@network ~]# neutron net-list
+--------------------------------------+----------+-------------------------------------------------------+
| id | name | subnets
|
+--------------------------------------+----------+-------------------------------------------------------+
| 2abc487a-09ad-4c5c-bb6b-a98a5a255ad4 | ext-net |
bca9b325-617f-4a0c-878d-44f384056c1c 192.168.50.0/24 |
| 89954a51-5296-4743-97ac-19ddeb7010f4 | demo-net |
9760500a-1183-4e12-a975-ff6cbdafd27b 192.168.100.0/24 |
+--------------------------------------+----------+-------------------------------------------------------+
[root@network ~]# neutron subnet-list
+--------------------------------------+-------------+------------------+------------------------------------------------------+
| id | name | cidr
| allocation_pools |
+--------------------------------------+-------------+------------------+------------------------------------------------------+
| 9760500a-1183-4e12-a975-ff6cbdafd27b | demo-subnet |
192.168.100.0/24 | {"start": "192.168.100.2", "end":
"192.168.100.254"} |
| bca9b325-617f-4a0c-878d-44f384056c1c | ext-subnet |
192.168.50.0/24 | {"start": "192.168.50.80", "end": "192.168.50.89"}
|
+--------------------------------------+-------------+------------------+------------------------------------------------------+
[root@network ~]# neutron router-list
+--------------------------------------+-------------+-----------------------------------------------------------------------------+
| id | name |
external_gateway_info
|
+--------------------------------------+-------------+-----------------------------------------------------------------------------+
| 0786427e-d4c0-403a-a2cd-0182bc3bee1c | demo-router |
{"network_id": "2abc487a-09ad-4c5c-bb6b-a98a5a255ad4", "enable_snat":
true} |
+--------------------------------------+-------------+-----------------------------------------------------------------------------+
[root@network ~]# ovs-vsctl show
537302fd-99cc-45ff-b470-2c924daf806e
Bridge br-ex
Port "eth2"
Interface "eth2"
Port "qg-783ec99d-ba"
Interface "qg-783ec99d-ba"
type: internal
Port br-ex
Interface br-ex
type: internal
Bridge br-int
Port "tap7ba88075-80"
tag: 1
Interface "tap7ba88075-80"
type: internal
Port "qr-b13b57db-17"
tag: 1
Interface "qr-b13b57db-17"
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port "qr-d0661ff1-a9"
tag: 4095
Interface "qr-d0661ff1-a9"
type: internal
Port br-int
Interface br-int
type: internal
Bridge br-tun
Port br-tun
Interface br-tun
type: internal
Port "gre-0a00011f"
Interface "gre-0a00011f"
type: gre
options: {in_key=flow, local_ip="10.0.1.21",
out_key=flow, remote_ip="10.0.1.31"}
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
ovs_version: "1.11.0"
Any hints would be much appreciated!
Cheers,
David
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