Re: [Dnsmasq-discuss] what is 'next-server' ? is it dhcp-option 66?
Dear Geert Stappers On Sun, Jun 27, 2021 at 4:31 PM Geert Stappers via Dnsmasq-discuss < dnsmasq-discuss@lists.thekelleys.org.uk> wrote: > > > OK, it got implemented well. > > > with your helps > > > > -- > > > Silence is hard to parse > > > > > > > > Thankyou Geert Stappers, > > I really really appreciate your helps. > > Share with the Internet > the working Freeradius DHCP server configuration. > > At first, I think option-66 is what I need to point PXE client to TFTP server. But it's not. DHCP-Server-IP-Address (siaddr) is the right one, Sincerely -bino- > > > 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] what is 'next-server' ? is it dhcp-option 66?
On Sun, Jun 27, 2021 at 03:06:14PM +0700, Bino Oetomo wrote: > On Sun, Jun 27, 2021 at 12:03 AM Geert Stappers wrote: > > On Sat, Jun 26, 2021 at 02:58:16PM +0700, Bino Oetomo wrote: > > > On Sat, Jun 26, 2021 at 1:24 PM Geert Stappers wrote: > > > > On Sat, Jun 26, 2021 at 09:55:01AM +0700, Bino Oetomo wrote: > > > > > Dear All. > > > > > > > > > Is 'next-server' different from dhcp-option-66? > > > > > > > > Yes, they are two different "fields" in a DHCP network packet. > > > > > > > > > > > Qouting https://datatracker.ietf.org/doc/html/rfc2131#page-9 > > RFC-2131 Dynamic Host Configuration Protocol > > > > > >0 1 2 3 > >0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 > >+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > >| op (1)| htype (1) | hlen (1)| hops (1)| > >+---+---+---+---+ > >|xid (4)| > >+---+---+ > >| secs (2)| flags (2) | > >+---+---+ ... > >+---+ > >| siaddr (4) | > >+---+ ... > >+---+ > >| options (variable) | > >+---+ > > > > > > > So, what is it's option number? > > > is it the same as siaddr? > > > > The above model of a DHCP network packet should answer those questions. > > > > > > Regards > > Geert Stappers > > Fully are that knowning what is in the network packet, > > does not mean knowning how it is implemented. > > After blindly guessing, I found that I have to add > ''DHCP-Server-IP-Address'' in rest response to freeradius. > And now it works smooth. OK, it got implemented well. > > -- > > Silence is hard to parse > > > > > Thankyou Geert Stappers, > I really really appreciate your helps. Share with the Internet the working Freeradius DHCP server configuration. 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] what is 'next-server' ? is it dhcp-option 66?
On Sun, Jun 27, 2021 at 12:03 AM Geert Stappers via Dnsmasq-discuss < dnsmasq-discuss@lists.thekelleys.org.uk> wrote: > On Sat, Jun 26, 2021 at 02:58:16PM +0700, Bino Oetomo wrote: > > On Sat, Jun 26, 2021 at 1:24 PM Geert Stappers wrote: > > > On Sat, Jun 26, 2021 at 09:55:01AM +0700, Bino Oetomo wrote: > > > > Dear All. > > > > > > > Is 'next-server' different from dhcp-option-66? > > > > > > Yes, they are two different "fields" in a DHCP network packet. > > > > > > > Qouting https://datatracker.ietf.org/doc/html/rfc2131#page-9 > RFC-2131 Dynamic Host Configuration Protocol > > >0 1 2 3 >0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 >+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >| op (1)| htype (1) | hlen (1)| hops (1)| >+---+---+---+---+ >|xid (4)| >+---+---+ >| secs (2)| flags (2) | >+---+---+ >| ciaddr (4) | >+---+ >| yiaddr (4) | >+---+ >| siaddr (4) | >+---+ >| giaddr (4) | >+---+ >| | >| chaddr (16) | >| | >| | >+---+ >| | >| sname (64) | >+---+ >| | >| file(128)| >+---+ >| | >| options (variable) | >+---+ > > > > So, what is it's option number? > > is it the same as siaddr? > > The above model of a DHCP network packet should answer those questions. > > > After blindly guessing, I found that I have to add ''DHCP-Server-IP-Address'' in rest response to freeradius. And now it works smooth. Thankyou Geert Stappers, I really really appreciate your helps. Sincerely -bino- > Regards > Geert Stappers > Fully are that knowning what is in the network packet, > does not mean knowning how it is implemented. > -- > 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] what is 'next-server' ? is it dhcp-option 66?
On Sat, Jun 26, 2021 at 02:58:16PM +0700, Bino Oetomo wrote: > On Sat, Jun 26, 2021 at 1:24 PM Geert Stappers wrote: > > On Sat, Jun 26, 2021 at 09:55:01AM +0700, Bino Oetomo wrote: > > > Dear All. > > > > > Is 'next-server' different from dhcp-option-66? > > > > Yes, they are two different "fields" in a DHCP network packet. > > > Qouting https://datatracker.ietf.org/doc/html/rfc2131#page-9 RFC-2131 Dynamic Host Configuration Protocol 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | op (1)| htype (1) | hlen (1)| hops (1)| +---+---+---+---+ |xid (4)| +---+---+ | secs (2)| flags (2) | +---+---+ | ciaddr (4) | +---+ | yiaddr (4) | +---+ | siaddr (4) | +---+ | giaddr (4) | +---+ | | | chaddr (16) | | | | | +---+ | | | sname (64) | +---+ | | | file(128)| +---+ | | | options (variable) | +---+ > So, what is it's option number? > is it the same as siaddr? The above model of a DHCP network packet should answer those questions. Regards Geert Stappers Fully are that knowning what is in the network packet, does not mean knowning how it is implemented. -- 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] what is 'next-server' ? is it dhcp-option 66?
Dear Geert Stappers I really appreciate your help On Sat, Jun 26, 2021 at 1:24 PM Geert Stappers via Dnsmasq-discuss < dnsmasq-discuss@lists.thekelleys.org.uk> wrote: > On Sat, Jun 26, 2021 at 09:55:01AM +0700, Bino Oetomo wrote: > > Dear All. > > > Is 'next-server' different from dhcp-option-66? > > Yes, they are two different "fields" in a DHCP network packet. > > So, what is it's option number? is it the same as siaddr? Sincerely -bino- ___ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
Re: [Dnsmasq-discuss] what is 'next-server' ? is it dhcp-option 66?
On Sat, Jun 26, 2021 at 09:55:01AM +0700, Bino Oetomo wrote: > Dear All. Hello, > I have 3 Virtualbox guest. > A. tftp-server DNSMASQ v.2.80 with IP address 10.10.254.1 > B. dhcp-server DNSMASQ v.280 with IP address 10.10.254.2 and 10.10.253.1 > (This one facing IPXE client) > C. IPXE client +-+ +-+ +-+ | |10.10.254 | | 10.10.253 | | | A +---+ B +---+ C | | |.1 .2| |.1.dhcp| | +-+ +-+ +-+ > When I config dhcp server with: > 'dhcp-boot=lpxelinux.0,server.name,10.10.254.1' > IPXE client received 'next server' 10.10.254.1 > > Next try, I commented 'dhcp-boot' line, and put > dhcp-option=66,10.10.254.1 > dhcp-option=67,lpxelinux.0 > > DNSMASQ log says: > > dnsmasq-dhcp: 3891074361 next server: 10.10.253.1 > dnsmasq-dhcp: 3891074361 sent size: 1 option: 53 message-type 5 > dnsmasq-dhcp: 3891074361 sent size: 4 option: 54 server-identifier > 10.10.253.1 > dnsmasq-dhcp: 3891074361 sent size: 4 option: 51 lease-time 12h > dnsmasq-dhcp: 3891074361 sent size: 4 option: 58 T1 6h > dnsmasq-dhcp: 3891074361 sent size: 4 option: 59 T2 10h30m > dnsmasq-dhcp: 3891074361 sent size: 4 option: 1 netmask 255.255.255.0 > dnsmasq-dhcp: 3891074361 sent size: 4 option: 28 broadcast 10.10.253.255 > dnsmasq-dhcp: 3891074361 sent size: 4 option: 3 router 10.10.253.1 > dnsmasq-dhcp: 3891074361 sent size: 12 option: 67 bootfile-name lpxelinux.0 > dnsmasq-dhcp: 3891074361 sent size: 12 option: 66 tftp-server 10.10.254.1 > > and the IPXE client receive 10.10.253.1, not as described by option:66 Come again, because I do see > dnsmasq-dhcp: 3891074361 next server: 10.10.253.1 > dnsmasq-dhcp: 3891074361 sent size: 12 option: 66 tftp-server 10.10.254.1 > Is 'next-server' different from dhcp-option-66? Yes, they are two different "fields" in a DHCP network packet. Regards Geert Stappers Did invest yesterday (in his timezone) a lot of time in an interesting DHCPrelay related problem. -- 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
