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unable to access public (external) network in openstack

asked 2015-07-20 03:07:55 -0600

Kishore Devkate gravatar image

updated 2015-07-20 06:10:42 -0600

Hi All,

I have installed centos 7 on my vmware in my lappy and configured openstack as below

1) controller node 2) compute node 3) network node

everything is working fine, when i am trying to access public network (external network) for internet and outside of openstack..it is unable to access...can someone please help me i googled it but not getting solution for it.

BR, Kishore

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answered 2015-07-20 03:34:23 -0600

dbaxps gravatar image

Just a sample and Howto for KVM/Libvirt Hypervisor ( 3 node deployment) image description
http://bderzhavets.blogspot.com/2015/...

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@dbaxps .... i followed the doc given above but no luck internal networking working but external is not working

Kishore Devkate gravatar imageKishore Devkate ( 2015-07-20 05:33:07 -0600 )edit

I am thinking...i am missing something to configure...do not know what exactly i am missing....if you want logs i can share it

Kishore Devkate gravatar imageKishore Devkate ( 2015-07-20 05:34:32 -0600 )edit

Post ovs-vsctl show and ifconfig on Network Node.

Mgmt Net
Private Net
External Net
dbaxps gravatar imagedbaxps ( 2015-07-20 06:34:39 -0600 )edit

@dbaxps .... how to give you the output as there is no more than 280 characters accepting...please suggest me

Kishore Devkate gravatar imageKishore Devkate ( 2015-07-22 01:35:49 -0600 )edit

Upload text file somewhere and post the link

dbaxps gravatar imagedbaxps ( 2015-07-22 01:44:17 -0600 )edit
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answered 2015-07-22 01:34:14 -0600

Kishore Devkate gravatar image

updated 2015-07-22 01:44:43 -0600

dbaxps gravatar image

@dbaxps ... below is the requested output

**[root@network ~]# ovs-vsctl show**
17412c00-3337-4db6-911b-534e24387c87
    Bridge br-tun
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
        Port "gre-0a00011f"
            Interface "gre-0a00011f"
                type: gre
                options: {df_default="true", in_key=flow, local_ip="10.0.1.21", out_key=flow, remote_ip="10.0.1.31"}
    Bridge br-int
        fail_mode: secure
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qr-82f4bbfd-d9"
            tag: 2
            Interface "qr-82f4bbfd-d9"
                type: internal
        Port br-int
            Interface br-int
                type: internal
        Port int-br-ex
            Interface int-br-ex
                type: patch
                options: {peer=phy-br-ex}
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port "qg-ec605f0c-db"
            Interface "qg-ec605f0c-db"
                type: internal
        Port "eno50332208"
            Interface "eno50332208"
        Port phy-br-ex
            Interface phy-br-ex
                type: patch
                options: {peer=int-br-ex}
    ovs_version: "2.3.1"

**[root@network ~]# ip a**
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 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
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:41:41:6a brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.21/24 brd 10.0.0.255 scope global eno16777736
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe41:416a/64 scope link
       valid_lft forever preferred_lft forever
3: eno33554984: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:41:41:74 brd ff:ff:ff:ff:ff:ff
    inet 10.0.1.21/24 brd 10.0.1.255 scope global eno33554984
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe41:4174/64 scope link
       valid_lft forever preferred_lft forever
4: eno50332208: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master ovs-system state UP qlen 1000
    link/ether 00:0c:29:41:41:7e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::20c:29ff:fe41:417e/64 scope link
       valid_lft forever preferred_lft forever
5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether 56:63:8f:41:df:2a brd ff:ff:ff:ff:ff:ff
6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
    link/ether 00:0c:29:41:41:7e brd ff:ff:ff:ff:ff:ff
    inet 192.168.139.200/24 brd 192.168.139.255 scope global dynamic br-ex
       valid_lft 1392sec preferred_lft 1392sec
    inet6 fe80::20c:29ff:fe41:417e/64 scope link
       valid_lft forever preferred_lft forever
7: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether b6:1f:0b:57:b6:4f brd ff:ff:ff:ff:ff:ff
10: br-tun: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether fe:f9:ba:27:e0:47 brd ff:ff:ff:ff:ff:ff
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Comments

eno* interface which is not mgmt or vm/data support should be OVS port of OVS bridge br-ex
You cannot be routed out.

dbaxps gravatar imagedbaxps ( 2015-07-22 01:49:59 -0600 )edit

eno* interfaces supporting mgmt net and gre tunnel should have corresponding IP addresses

dbaxps gravatar imagedbaxps ( 2015-07-22 02:09:03 -0600 )edit

@dbaxps .... i am totally newer for it...now what action needs to do from my side ?

Kishore Devkate gravatar imageKishore Devkate ( 2015-07-22 02:13:17 -0600 )edit

See, picture bellow . It's your configuration , just GRE instead of VXLAN

dbaxps gravatar imagedbaxps ( 2015-07-22 02:47:21 -0600 )edit

@dbaxps ....i will check it again if not works then could you please take access to my lappy and have a look on it if possible

Kishore Devkate gravatar imageKishore Devkate ( 2015-07-22 02:53:21 -0600 )edit

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Asked: 2015-07-20 03:07:55 -0600

Seen: 509 times

Last updated: Jul 22 '15