Re: [Dnsmasq-discuss] DNSMASQ wrong addresses allocated after changing DHCP Clients between Neutron vRouters

[Geert Stappers]

On Wed, Nov 28, 2018 at 08:49:57AM -0200, Luis Kleber wrote:
> Em ter, 27 de nov de 2018 às 20:12, Geert Stappers escreveu:
> > On Mon, Nov 26, 2018 at 04:42:05PM -0200, Luis Kleber wrote:
> > 
> > > dhcp-range=set:infra-70-subnet,100.101.1.11,100.101.1.64,600s
> > > dhcp-option=tag:infra-70-subnet,3,100.101.1.1
> > > dhcp-range=set:infra-71-subnet,100.101.2.11,100.101.2.64,600s
> > > dhcp-option=tag:infra-71-subnet,3,100.101.2.1
> > > dhcp-range=set:infra-72-subnet,100.98.98.11,100.98.98.64,600s
> > > dhcp-option=tag:infra-72-subnet,3,100.98.98.1
> >  infra-73 ... infra-92 
> > > dhcp-range=set:infra-93-subnet,100.103.8.11,100.103.8.64,600s
> > > dhcp-option=tag:infra-93-subnet,3,100.103.8.1
> > > dhcp-range=set:infra-94-subnet,100.104.1.11,100.104.1.64,600s
> > > dhcp-option=tag:infra-94-subnet,3,100.104.1.1
> > > dhcp-range=set:infra-95-subnet,100.96.96.11,100.96.96.64,600s
> > > dhcp-option=tag:infra-95-subnet,3,100.96.96.1
> >
> > Why?
> >
> 
> "Why" what?
> If the question is the all other dhcp-ranges (unused for this scenario),
> the answer is because in production case these other networks for each dhcp
> range exist. These other unused ranges for this test case, this cannot be a
> problem.
> 
> Thanks
 
No problem, no hardfeelings.

It was me who should have wrote in his initial reply


  Oops, that is a complex setup. Is really all the complexity needed?


Anyway: Feel free to post, do known that it is been readed.


Groeten
Geert Stappers
-- 
> this cannot be a problem.

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Re: [Dnsmasq-discuss] PXE boot in proxy mode not working

[Geert Stappers]

On Fri, Nov 30, 2018 at 01:47:50PM +, Tschigirinski Jewgeni wrote:
> Hi,
> 
> I want use dnsmasq in proxy mode to boot uefi pxe client.
> 
> I can observe dhcp discover and dhcp offer coming from the real dhcp
> server, no dhcp request is sending.
> 
> The relevant configuration is:
> 
> dhcp-range=x.x.x.1,proxy
> dhcp-option=vendor:PXEClient,6,2b
> dhcp-boot=bootnetx64.efi,"PXE Server"
> enable-tftp
> tftp-root=/tftpboot
> port=0
> 
> Many thanks for any advice
 
My advice:  Share more information with us.
 * info about DHCP server
 * info about the UEFI PXE client
 * how the obseration from
   > I can observe dhcp discover and dhcp offer coming from the real dhcp
   > server, no dhcp request is sending.
   was made


Groeten
Geert Stappers
-- 
Leven en laten leven

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Re: [Dnsmasq-discuss] DNSMASQ wrong addresses allocated after changing DHCP Clients between Neutron vRouters

[Luis Kleber]

Hi Stappers!

No hardfeelings! There was only a question missing! :)
Thanks for your reply and yes,  it's a complex setup because of the Neutron
use (all installation needed).

After explained the problem, I was expecting a help to "how better debug",
how see some other logs, activate another debug, another configuration, and
so on...
I'll try if the same problem happens without Neutron. Only using a DNSMASQ
with 2 different access interfaces/networks.

Tanks.
--
Luis Kleber


Em sex, 30 de nov de 2018 às 16:33, Geert Stappers 
escreveu:

> On Wed, Nov 28, 2018 at 08:49:57AM -0200, Luis Kleber wrote:
> > Em ter, 27 de nov de 2018 às 20:12, Geert Stappers escreveu:
> > > On Mon, Nov 26, 2018 at 04:42:05PM -0200, Luis Kleber wrote:
> > > 
> > > > dhcp-range=set:infra-70-subnet,100.101.1.11,100.101.1.64,600s
> > > > dhcp-option=tag:infra-70-subnet,3,100.101.1.1
> > > > dhcp-range=set:infra-71-subnet,100.101.2.11,100.101.2.64,600s
> > > > dhcp-option=tag:infra-71-subnet,3,100.101.2.1
> > > > dhcp-range=set:infra-72-subnet,100.98.98.11,100.98.98.64,600s
> > > > dhcp-option=tag:infra-72-subnet,3,100.98.98.1
> > >  infra-73 ... infra-92 
> > > > dhcp-range=set:infra-93-subnet,100.103.8.11,100.103.8.64,600s
> > > > dhcp-option=tag:infra-93-subnet,3,100.103.8.1
> > > > dhcp-range=set:infra-94-subnet,100.104.1.11,100.104.1.64,600s
> > > > dhcp-option=tag:infra-94-subnet,3,100.104.1.1
> > > > dhcp-range=set:infra-95-subnet,100.96.96.11,100.96.96.64,600s
> > > > dhcp-option=tag:infra-95-subnet,3,100.96.96.1
> > >
> > > Why?
> > >
> >
> > "Why" what?
> > If the question is the all other dhcp-ranges (unused for this scenario),
> > the answer is because in production case these other networks for each
> dhcp
> > range exist. These other unused ranges for this test case, this cannot
> be a
> > problem.
> >
> > Thanks
>
> No problem, no hardfeelings.
>
> It was me who should have wrote in his initial reply
>
>
>   Oops, that is a complex setup. Is really all the complexity needed?
>
>
> Anyway: Feel free to post, do known that it is been readed.
>
>
> Groeten
> Geert Stappers
> --
> > this cannot be a problem.
>
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>
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[Dnsmasq-discuss] PXE boot in proxy mode not working

[Tschigirinski Jewgeni]

Hi,

I want use dnsmasq in proxy mode to boot uefi pxe client.

I can observe dhcp discover and dhcp offer coming from the real dhcp server, no 
dhcp request is sending.

The relevant configuration is:

dhcp-range=x.x.x.1,proxy

dhcp-option=vendor:PXEClient,6,2b

dhcp-boot=bootnetx64.efi,"PXE Server"

enable-tftp

tftp-root=/tftpboot

port=0

Many thanks for any advice


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[Dnsmasq-discuss] DHCPv6 does not update ipv6 timestamp lease times

[Inigo de la Fuente]

I am using dnsmasq 2.78.

Doing some test I have connect 3 different devices and when reading dhcp.leases 
file I found that only the timestamp of the ipv4 leases files are updated not 
for ipv6.

Why does not update timestamp for ipv6 leases?

this is my dnsmasq.conf:
"
dhcp-authoritative
domain-needed
localise-queries
read-ethers
bogus-priv
expand-hosts
server=/lan/
dhcp-leasefile=/data/wlanman/dhcp.leases
resolv-file=/etc/resolv.conf
addn-hosts=/tmp/hosts
stop-dns-rebind
rebind-localhost-ok
dhcp-broadcast=tag:needs-broadcast
interface=eth1
enable-ra
no-dhcp-interface=rmnet_data0
dhcp-range=lan,10.173.190.51, 10.173.190.150, 255.255.255.0, 72h
dhcp-range=lan,fd30:e08e:c031:0020::33, fd30:e08e:c031:0020::96, 64,  ra-only, 
72h

dhcp-host=40:a3:cc:7d:9d:30,10.173.190.33
dhcp-host=id:00:01:00:01:21:EF:26:71:8C:EC:4B:E5:28:6B,[fd30:e08e:c031:0020::30]
"

Hope someone can help me.

Regards




---
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Iñigo De La Fuente
Sr. Software Designer
[ict logo]

Machine & Systems

Visiting address: Prof. Dr. Dorgelolaan 30, 5613 AM, Eindhoven, The Netherlands
E inigo.de.la.fue...@ict.nl
M +31625733268
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