[Dnsmasq-discuss] DHCP Relay, assign address from other vlan, with no dhcp listening on it

richardvoigt at gmail.com richardvoigt at gmail.com
Wed Sep 14 15:42:11 BST 2011

> I don't agree. Dnsmasq is a great software, I use it for years in a
> small environment.
> In bigger networks usage of l2 switches is necessary, and as Michael,
> I dont know too any l2 switch that supports any dhcp-related RFC,
> except 3046.
> There are not some many unix dhcp software that can be used with l2
> switches, dnsmasq could be one of it. And, as I said earlier, it
> should be.
> Solution with taking preference circuit-id and remote-id over
> sub-option 5 can be implemented as switch, documented with warning in
> manual, not enabled by default in example config.

dnsmasq works great in conjunction with L2 switches.  Usually you put
the dnsmasq node on a VLAN trunk port, that way it sees requests from
all circuits, along with the VLAN tag.  I'm not sure why you've chosen
to relay to a non-trunk port instead.

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