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Hi Mattei,

I just have these lines active in l3agent.ini

interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
external_network_bridge =

Hope that looks fine. Do we need to specify the external_network_bridge. Do
we need any other parameters.

Regards
Kamal


On Thu, Oct 6, 2016 at 3:36 PM, Remo Mattei <Remo at italy1.com> wrote:

> what’s your l3agent.ini says about external?
>
> On Oct 6, 2016, at 06:16, kamalakannan sanjeevan <
> chirukamalakannan at gmail.com> wrote:
>
> Hello,
>
> I am not able to connect to internet in teh spawned VM's.
>
>
> Ethernet card details:
>
> *Eth1 bridged through OVS(mybridge)              - 172.27.10.76*
> *Eth3                                                            -
> 192.168.182.251*
>
> after executing the command
>
> iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
>
> iptables -t nat -A POSTROUTING -o mybridge -j MASQUERADE
>
> - I see teh connectivity to VM's from my host name  ie 172.27.10.76 also
> affected.
>
> root at VFSR1:~# ovs-vsctl show
> 37f38767-0a2b-45fd-9507-abef7fd2d5c9
>     Bridge br-int
>         fail_mode: secure
>         Port "qr-2ff64ff8-b8"
>             tag: 6
>             Interface "qr-2ff64ff8-b8"
>                 type: internal
>         Port patch-tun
>             Interface patch-tun
>                 type: patch
>                 options: {peer=patch-int}
>         Port "qvo310233a4-9f"
>             tag: 6
>             Interface "qvo310233a4-9f"
>         Port br-int
>             Interface br-int
>                 type: internal
>         Port "tap6bc359b6-f0"
>             tag: 6
>             Interface "tap6bc359b6-f0"
>                 type: internal
>         Port "qvo703c764e-23"
>             tag: 5
>             Interface "qvo703c764e-23"
>         Port int-mybridge
>             Interface int-mybridge
>                 type: patch
>                 options: {peer=phy-mybridge}
>         Port "qg-333a2d2b-ca"
>             tag: 5
>             Interface "qg-333a2d2b-ca"
>                 type: internal
>
>
>
>
>
>
>
>
>
> * Bridge mybridge        Port mybridge            Interface
> mybridge                type: internal        Port "eth1"
> Interface "eth1"        Port phy-mybridge            Interface
> phy-mybridge                type: patch                options:
> {peer=int-mybridge}*
>     Bridge br-tun
>         fail_mode: secure
>         Port br-tun
>             Interface br-tun
>                 type: internal
>         Port patch-int
>             Interface patch-int
>                 type: patch
>                 options: {peer=patch-tun}
>     ovs_version: "2.5.0"
>
>
> Below is my network and router details
>
> root at VFSR1:~# neutron net-list
> +--------------------------------------+---------+----------
> -------------------------------------------+
> | id                                   | name    |
> subnets                                             |
> +--------------------------------------+---------+----------
> -------------------------------------------+
> | 51739543-b7d1-414b-bec1-9b38c3e5d5d7 | public  |
> 0db9fa02-27eb-4f38-8693-200719fc1fbf 172.27.10.0/24 |
> | bf919707-b1eb-4d8f-90fe-5bcf0e07dce3 | private |
> 7fddc311-7938-44c4-abd4-e5095adba422 192.168.0.0/24 |
> +--------------------------------------+---------+----------
> -------------------------------------------+
> root at VFSR1:~# neutron router-list
> +--------------------------------------+--------+-----------
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------------------------------------+---
> ----------+-------+
> | id                                   | name   |
> external_gateway_info
>
>                                                                   |
> distributed | ha    |
> +--------------------------------------+--------+-----------
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------------------------------------+---
> ----------+-------+
> | 323a6782-46aa-458e-ad76-f9462d8ad955 | router | {"network_id":
> "51739543-b7d1-414b-bec1-9b38c3e5d5d7", "enable_snat": true,
> "external_fixed_ips": [{"subnet_id": "0db9fa02-27eb-4f38-8693-200719fc1fbf",
> "ip_address": "172.27.10.101"}]} | False       | False |
> +--------------------------------------+--------+-----------
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------------------------------------+---
> ----------+-------+
>
> Below are my instances created
>
> root at VFSR1:~# nova list
> +--------------------------------------+--------+--------+--
> ----------+-------------+------------------------------------+
> | ID                                   | Name   | Status | Task State |
> Power State | Networks                           |
> +--------------------------------------+--------+--------+--
> ----------+-------------+------------------------------------+
> | b737645b-317e-46be-b06a-f1b94f378d95 | test   | ACTIVE | -          |
> Running     | public=172.27.10.100               |
> | 378b3776-dddb-4007-823a-8c4e2781dbdd | ubuntu | ACTIVE | -          |
> Running     | private=192.168.0.3, 172.27.10.102 |
> +--------------------------------------+--------+--------+--
> ----------+-------------+---------------------------------
>
> I have internet connectivity using the machine IP 172.27.10.76, but the
> internet is not working in teh VM range 172.27.10.100,172,27.10.250.
>
>
> I have attached the firewall log as well.
>
> Please advise.
>
> Regards
> kamal
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