Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-19 Thread Nick Howitt
On 18/05/2021 21:15, Nick Howitt wrote: On 18/05/2021 20:57, Geert Stappers wrote: On Fri, May 14, 2021 at 08:30:42AM +0100, Nick Howitt wrote: On 13/05/2021 22:30, Geert Stappers via Dnsmasq-discuss wrote: On Thu, May 13, 2021 at 09:31:21PM +0100, Nick Howitt wrote: On 13/05/2021

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-18 Thread Nick Howitt
On 18/05/2021 20:57, Geert Stappers wrote: On Fri, May 14, 2021 at 08:30:42AM +0100, Nick Howitt wrote: On 13/05/2021 22:30, Geert Stappers via Dnsmasq-discuss wrote: On Thu, May 13, 2021 at 09:31:21PM +0100, Nick Howitt wrote: On 13/05/2021 19:26, Geert Stappers via Dnsmasq-discuss wrote:

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-14 Thread Nick Howitt
On 13/05/2021 22:30, Geert Stappers via Dnsmasq-discuss wrote: On Thu, May 13, 2021 at 09:31:21PM +0100, Nick Howitt wrote: On 13/05/2021 19:26, Geert Stappers via Dnsmasq-discuss wrote: On Thu, May 13, 2021 at 01:05:07PM +0100, Nick Howitt wrote: I am trying to help someone who has a set

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Geert Stappers via Dnsmasq-discuss
On Thu, May 13, 2021 at 09:31:21PM +0100, Nick Howitt wrote: > On 13/05/2021 19:26, Geert Stappers via Dnsmasq-discuss wrote: > > On Thu, May 13, 2021 at 01:05:07PM +0100, Nick Howitt wrote: > > > I am trying to help someone who has a set up with three LAN's, all on > > > different subnets and all

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Simon Kelley
The most obvious explanation for this is that the two LANs in question have becomes bridged together at level 2. Simon. On 13/05/2021 13:05, Nick Howitt wrote: > I am trying to help someone who has a set up with three LAN's, all on > different subnets and all acting as DHCP servers. He is

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Nick Howitt
On 13/05/2021 19:26, Geert Stappers via Dnsmasq-discuss wrote: On Thu, May 13, 2021 at 01:05:07PM +0100, Nick Howitt wrote: I am trying to help someone who has a set up with three LAN's, all on different subnets and all acting as DHCP servers. He is getting an odd result that when a device

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Nick Howitt
On 13/05/2021 21:01, Horn Bucking wrote: According to dnsmasq documentation, it would seem neither dhcp-option nor dhcp-range (at least for IPv4) would accept an interface: -O, --dhcp-option=[tag:,[tag:,]][encap:,][vi-encap:,][vendor:[],][|option:|option6:|option6:],[[,]] -F,

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Horn Bucking
According to dnsmasq documentation, it would seem neither dhcp-option nor dhcp-range (at least for IPv4) would accept an interface: -O, --dhcp-option=[tag:,[tag:,]][encap:,][vi-encap:,][vendor:[],][|option:|option6:|option6:],[[,]] -F, --dhcp-range=[tag:[,tag:],][set:,][,|][,[,]][,time>]

Re: [Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Geert Stappers via Dnsmasq-discuss
On Thu, May 13, 2021 at 01:05:07PM +0100, Nick Howitt wrote: > I am trying to help someone who has a set up with three LAN's, all on > different subnets and all acting as DHCP servers. He is getting an odd > result that when a device on the enp2s0 LAN requests an IP, both enp2s0 and > enp3s0

[Dnsmasq-discuss] Multiple interfaces responding to DHCP requests

2021-05-13 Thread Nick Howitt
I am trying to help someone who has a set up with three LAN's, all on different subnets and all acting as DHCP servers. He is getting an odd result that when a device on the enp2s0 LAN requests an IP, both enp2s0 and enp3s0 respond with IP's. I've never seen this before and my own server does