Re: [Dnsmasq-discuss] How to set no gateway
On 25/02/2023 00:05, Donald Muller wrote: Thank you for responding Matus. It worked perfectly! This behavior should really be documented. My first reaction to this was "I'm sure it is!" but actually it isn't, except in the example config file. I've added a paragraph to the man page to fix that. Simon. Don -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. 42.7 percent of all statistics are made up on the spot. ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] How to set no gateway
> -Original Message- > From: Dnsmasq-discuss > On Behalf Of Geert Stappers > Sent: Friday, February 24, 2023 4:18 PM > To: dnsmasq-discuss@lists.thekelleys.org.uk > Subject: Re: [Dnsmasq-discuss] How to set no gateway > > On Fri, Feb 24, 2023 at 04:54:28AM +, Donald Muller wrote: > > > > I have two networks. One is a 1GB routable network. The other is a 2.5GB > > private, non-routable network. The DHCP server (dnsmasq) is attached > > to both networks and all addresses are assigned via DHCP. The address > > on the private network all have reservations. DHCP is working fine > > and addresses are properly assigned. The issue I am having is that I > > don't want the private network to have a default gateway. Is there a > > way via DHCP to tell the client to net set a default gateway when the > > IP configuration information is sent? > > Usually, if not always, goes default gateway in the reply DHCP packets. > > For the "private network" play with configuring 0.0.0.0 or a > non-existing host on that network as default gateway. > I tried 0.0.0.0 and before I discovered that the man page states - "The special address 0.0.0.0 is taken to mean "the address of the machine running dnsmasq"." Matus UHLAR provide the solution by specifying DHCP-OPTION=3 With no parameters. > > > This may or may not be a dnsmasq question/issue. > > Please make it a dnsmasq thingy by reporting what works for you. > > > > If not, sorry for the noise. > > Just transmit what you consider as a valid message > and let the recieving end decide whether it is noise. > > > Groeten > Geert Stappers > -- > Silence is hard to parse > > ___ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] How to set no gateway
> -Original Message- > From: Dnsmasq-discuss > On Behalf Of Matus UHLAR - fantomas > Sent: Friday, February 24, 2023 5:46 AM > To: dnsmasq-discuss@lists.thekelleys.org.uk > Subject: Re: [Dnsmasq-discuss] How to set no gateway > > On 24.02.23 04:54, Donald Muller wrote: > > This may or may not be a dnsmasq question/issue. If not, sorry for the > noise. > > > I have two networks. One is a 1GB routable network. The other is a 2.5GB > > private, non-routable network. The DHCP server (dnsmasq) is attached to > > both networks and all addresses are assigned via DHCP. The address on > the > > private network all have reservations. DHCP is working fine and addresses > > are properly assigned. The issue I am having is that I don't want the > > private network to have a default gateway. Is there a way via DHCP to > > tell the client to net set a default gateway when the IP configuration > > information is sent? > > I have this in dnsmasq.conf file: > > # Override the default route supplied by dnsmasq and send no default > # route at all. Note that this only works for the options sent by > # default (1, 3, 6, 12, 28) the same line will send a zero-length option > # for all other option numbers. > #dhcp-option=3 > > perhaps this helps Thank you for responding Matus. It worked perfectly! This behavior should really be documented. Don > -- > Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ > Warning: I wish NOT to receive e-mail advertising to this address. > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. > 42.7 percent of all statistics are made up on the spot. > > ___ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] How to set no gateway
On Fri, Feb 24, 2023 at 04:54:28AM +, Donald Muller wrote: > > I have two networks. One is a 1GB routable network. The other is a 2.5GB > private, non-routable network. The DHCP server (dnsmasq) is attached > to both networks and all addresses are assigned via DHCP. The address > on the private network all have reservations. DHCP is working fine > and addresses are properly assigned. The issue I am having is that I > don't want the private network to have a default gateway. Is there a > way via DHCP to tell the client to net set a default gateway when the > IP configuration information is sent? Usually, if not always, goes default gateway in the reply DHCP packets. For the "private network" play with configuring 0.0.0.0 or a non-existing host on that network as default gateway. > This may or may not be a dnsmasq question/issue. Please make it a dnsmasq thingy by reporting what works for you. > If not, sorry for the noise. Just transmit what you consider as a valid message and let the recieving end decide whether it is noise. Groeten Geert Stappers -- Silence is hard to parse ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] How to set no gateway
On 24.02.23 04:54, Donald Muller wrote: This may or may not be a dnsmasq question/issue. If not, sorry for the noise. I have two networks. One is a 1GB routable network. The other is a 2.5GB private, non-routable network. The DHCP server (dnsmasq) is attached to both networks and all addresses are assigned via DHCP. The address on the private network all have reservations. DHCP is working fine and addresses are properly assigned. The issue I am having is that I don't want the private network to have a default gateway. Is there a way via DHCP to tell the client to net set a default gateway when the IP configuration information is sent? I have this in dnsmasq.conf file: # Override the default route supplied by dnsmasq and send no default # route at all. Note that this only works for the options sent by # default (1, 3, 6, 12, 28) the same line will send a zero-length option # for all other option numbers. #dhcp-option=3 perhaps this helps -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. 42.7 percent of all statistics are made up on the spot. ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
