[Openstack-operators] [Openstack] nova network external gateway

Sergio Ariel de la Campa Saiz sacampa at gmv.com
Mon May 21 13:12:22 UTC 2012


Thanks a lot!!!

Searchin in google, I have found this options. I put them here if someone need it:

# Gateway
dhcp-option=3,10.0.0.1
# DNS
dhcp-option=6,10.0.0.1
# Domain Name
dhcp-option=15,dhcp.edoceo.com
# IP Forward (no)
dhcp-option=19,0
# Source Routing
dhcp-option=20,0
# TTL
# dhcp-option=23,64
# Broadcast Address
# dhcp-option=28,10.0.0.255
# 0.0.0.0 Means to reference self for this option
# NTP Server
dhcp-option=42,0.0.0.0
# 44-47 NetBIOS
dhcp-option=44,0.0.0.0
dhcp-option=45,0.0.0.0
dhcp-option=46,8
dhcp-option=47
dhcp-authoritative










Sergio Ariel
de la Campa Saiz
GMV-SES Infraestructura /
GMV-SES Infrastructure

GMV
Isaac Newton, 11
P.T.M. Tres Cantos
E-28760 Madrid
Tel.
+34 91 807 21 00
Fax
+34 91 807 21 99
www.gmv.com
________________________________________
De: Alessandro Tagliapietra [tagliapietra.alessandro at gmail.com]
Enviado el: lunes, 21 de mayo de 2012 13:59
Para: Sergio Ariel de la Campa Saiz
CC: George Mihaiescu; openstack-operators at lists.openstack.org; openstack at lists.launchpad.net
Asunto: Re: [Openstack] nova network external gateway

You can use this option

dhcp-option=6,IP_OF_DNS1,IP_OF_DNS2

that should be appended on the same file.

Best


Il giorno 21/mag/2012, alle ore 13:34, Sergio Ariel de la Campa Saiz ha scritto:

> Thanks... it works ok...
>
> There is some kind of configuration for DNS too?? I change my DNS server in /etc/resolv.conf but some time later it goes back to the default one set by dsnmasq. :-( :-(
> Sergio Ariel
> de la Campa Saiz
> GMV-SES Infraestructura /
> GMV-SES Infrastructure
>
>
>
> GMV
> Isaac Newton, 11
> P.T.M. Tres Cantos
> E-28760 Madrid
> Tel.
> +34 91 807 21 00
> Fax
> +34 91 807 21 99
>  www.gmv.com
>
>
>
>
>
> De: George Mihaiescu [George.Mihaiescu at Q9.com]
> Enviado el: viernes, 18 de mayo de 2012 16:11
> Para: Sergio Ariel de la Campa Saiz
> CC: openstack at lists.launchpad.net; openstack-operators at lists.openstack.org
> Asunto: RE: [Openstack] nova network external gateway
>
> You can try the solution proposed by Vish on February 23, 2012.
> Put the flag and the config file on the nodes with nova-network as they have dnsmasq running:
>
>
> “ Then you can use
> --dnsmasq_config_file=/path/to/config
> in that config file you can use:
> dhcp_opiton=3,<ip of router> to force vms to use your router as their gateway. “
>
>
>
> From: openstack-bounces+george.mihaiescu=q9.com at lists.launchpad.net [mailto:openstack-bounces+george.mihaiescu=q9.com at lists.launchpad.net] On Behalf Of Sergio Ariel de la Campa Saiz
> Sent: Friday, May 18, 2012 8:49 AM
> To: openstack at lists.launchpad.net; openstack-operators at lists.openstack.org
> Subject: [Openstack] nova network external gateway
>
> Hi:
>
> I have installed Essex and I´m using vlan networking. All virtual machines use the same vlan, but I want all of them use an external gateway, I mean, a real router of my network instead of a nova node.
> I have read about it and I have found a parameter named: dhcpoption=3,<gateway ip>  but I don´t know where to put it. I know that dnsmasq loads it but... from where?? I did not find any dnsmasq.conf in my system and, in the other hand, I put it in my nova.conf file and nothing happened.
>
> Thanks in advance....
>
> Good luck...
> Sergio Ariel
> de la Campa Saiz
> GMV-SES Infraestructura /
> GMV-SES Infrastructure
>
>
>
> GMV
> Isaac Newton, 11
> P.T.M. Tres Cantos
> E-28760 Madrid
> Tel.
> +34 91 807 21 00
> Fax
> +34 91 807 21 99
> www.gmv.com
>
>
>
> size=2 width="100%" align=center>
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Este mensaje, y en su caso, cualquier fichero anexo al mismo,
 puede contener informacion clasificada por su emisor como confidencial
 en el marco de su Sistema de Gestion de Seguridad de la 
Informacion siendo para uso exclusivo del destinatario, quedando 
prohibida su divulgacion copia o distribucion a terceros sin la 
autorizacion expresa del remitente. Si Vd. ha recibido este mensaje 
 erroneamente, se ruega lo notifique al remitente y proceda a su borrado. 
Gracias por su colaboracion.

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