[Dnsmasq-discuss] DHCP for multiple address not in the eth0

[richardvoigt at gmail.com]

On Wed, Feb 3, 2010 at 12:19 AM, Kiswono Prayogo <kiswono at gmail.com> wrote:
> from L3Switch1 and L3Switch2 from/to My Box (192.168.1.254) can
> ping/traceroute without problems..

Sounds like a firewall problem.  Are you running iptables on the
dnsmasq machine?

>
> the previous configuration was, i use L3Switch1's DHCP server, but
> it's quite annoying (sometimes does not work, so i must restart the
> switch)..
>
> ok so these are the logical topology
>
> client (10.10.x./24) -- (10.10.x.1) L3Switch1 (192.168.200.21) --
> (192.168.200.20) L3Switch2 (192.168.1.1) -- (192.168.1.254) My Box
> DNSmasq (real ip)
>
> if i use static IP on the client, it works just fine, i can
> ping/traceroute from/to any node without problems..
>
> On Wed, Feb 3, 2010 at 12:24 PM, Santiago Zarate <santiago at zarate.net.ve> wrote:
>> Have you checked the routing tables?... also... any of the client has
>> ever got a ip from the dhcp server, and can you ping back other
>> clients + server?
>> 2010/2/3 Kiswono Prayogo <kiswono at gmail.com>:
>>> hi, i have tried it.. but how do i debug it? what i mean is how can i
>>> know if there are any DHCP request packet sent to my box or from my
>>> box to the client..
>>>
>>> ***
>>> i run dnsmasq with this command instead of running it as service:
>>>
>>> sudo dnsmasq -d --log-dhcp
>>>
>>> and got these message:
>>>
>>> dnsmasq: started, version 2.47 cachesize 8192
>>> dnsmasq: compile time options: IPv6 GNU-getopt DBus I18N TFTP
>>> dnsmasq: DHCP, IP range 10.10.6.10 -- 10.10.6.254, lease time 12h
>>> dnsmasq: DHCP, IP range 10.10.5.10 -- 10.10.5.254, lease time 12h
>>> dnsmasq: DHCP, IP range 10.10.3.10 -- 10.10.3.254, lease time 12h
>>> dnsmasq: DHCP, IP range 10.10.2.10 -- 10.10.2.254, lease time 12h
>>> dnsmasq: DHCP, IP range 10.10.1.10 -- 10.10.1.254, lease time 12h
>>> dnsmasq: reading /etc/resolv.conf
>>> dnsmasq: using nameserver 208.67.220.220#53
>>> dnsmasq: using nameserver 208.67.222.222#53
>>> dnsmasq: read /etc/hosts - 14966 addresses
>>> [no more message, even if the client send DHCP requests]
>>>
>>> ***
>>> these are my configuration (my box (dhcp, gateway and dns server) ip
>>> address is 192.168.1.254):
>>>
>>> dhcp-range=WAP1,10.10.1.10,10.10.1.254,255.255.255.0,12h
>>> dhcp-option=WAP1,3,10.10.1.1
>>> dhcp-range=WAP2,10.10.2.10,10.10.2.254,255.255.255.0,12h
>>> dhcp-option=WAP2,3,10.10.2.1
>>> dhcp-range=WAP3,10.10.3.10,10.10.3.254,255.255.255.0,12h
>>> dhcp-option=WAP3,3,10.10.3.1
>>> dhcp-range=WAP5,10.10.5.10,10.10.5.254,255.255.255.0,12h
>>> dhcp-option=WAP5,3,10.10.5.1
>>> dhcp-range=WAP6,10.10.6.10,10.10.6.254,255.255.255.0,12h
>>> dhcp-option=WAP6,3,10.10.6.1
>>> dhcp-option=6,192.168.1.254
>>>
>>> ***
>>> the logical topology:
>>>
>>> client -- L3switch1 (forwarding bootp/dhcp to 192.168.1.254) -- my box
>>> (192.168.1.254)
>>>
>>> L3switch1: set forwarding-options helpers bootp server 192.168.1.254
>>> i.e. if the client got IP 10.10.2.33 then, the gateway is 10.10.2.1,
>>> and the dns server is 192.168.1.254
>>>
>>> ***
>>> the physical topology:
>>>
>>> client -- access point -- L3switch1 -- L3switch2 -- my box
>>> (192.168.1.254) -- internet
>>>
>>> --
>>> Regards,
>>> Kiswono P
>>> GB
>>>
>>> _______________________________________________
>>> Dnsmasq-discuss mailing list
>>> Dnsmasq-discuss at lists.thekelleys.org.uk
>>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>>
>>
>
>
>
> --
> Regards,
> Kiswono P
> GB
>
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