[Dnsmasq-discuss] dnsmasq configuration

[Lovelady, Dennis E.]

Isn’t routing ignored when the destination is on the local net?  Would this really cause a loop?  If so, wouldn’t routing be impossible, since any attempt to route anything has to result in the same loop?  Or don’t I understand the problem?


From: dnsmasq-discuss-bounces at lists.thekelleys.org.uk [mailto:dnsmasq-discuss-bounces at lists.thekelleys.org.uk] On Behalf Of richardvoigt at gmail.com
Sent: Tuesday, December 04, 2012 3:20 PM
To: Ritesh Nanda
Cc: dnsmasq discussion list
Subject: Re: [Dnsmasq-discuss] dnsmasq configuration



On Thu, Nov 29, 2012 at 8:31 AM, Ritesh Nanda <riteshnanda09 at gmail.com<mailto:riteshnanda09 at gmail.com>> wrote:
hello,

I am working on openstack , which uses dnsmasq as a dhcp server.
Here is a challenge what i am facing , using dnsmasq configuration file i am adding a default route to the vms that are created in this
enviornment, now challenge i am facing is i want to add two routes using dnsmasq configuration file.

one route for a particular subnet so that it request  get forwared to a gateway
and one as a default route.
eg.

192.168.10.0 network request gets forwarded to gateway 192.168.10.6
and all other request gets forwarded to 192.168.10.1

You may have some trouble implementing this particular routing table, because requests to 192.168.10.* are routed to 192.168.10.6, which is in 192.168.10.*, so it's reached via 192.168.10.6, which is in 192.168.10.*, and ad infinitum.

The gateway address specified in the routing table should be on the local network, not the network the gateway is used to reach (this implies that every gateway should be multi-homed).



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