On Wed, Feb 3, 2010 at 12:19 AM, Kiswono Prayogo <[email protected]> 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 <[email protected]> > 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 <[email protected]>: >>> 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 >>> [email protected] >>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss >>> >> > > > > -- > Regards, > Kiswono P > GB > > _______________________________________________ > Dnsmasq-discuss mailing list > [email protected] > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss >
