On the host that pulls a 172.16.48 address, try a ping of 172.16.48.4 and then check the arp table to make sure it resolved to a hardware address. If not, tcpdump arp traffic.
It might be interesting to see what an ifconfig, "route -n" and "arp -a" look like on the 172.16.48 host… On Sep 3, 2012, at 7:29 AM, subhranshu dwivedi <subhranshu.dwiv...@erminsystems.com> wrote: > Hi All, > > I have Untangle with DNS masq setup at my end, > > With interface: > > External > eth0 Link encap:Ethernet HWaddr 00:04:23:c7:52:63 > inet addr:172.16.57.10 Bcast:172.16.57.255 Mask:255.255.255.0 > > INTERNAL > eth1 Link encap:Ethernet HWaddr 00:04:23:c7:52:62 > inet addr:172.16.48.4 Bcast:172.16.51.255 Mask:255.255.252.0 > DMZ > eth2 Link encap:Ethernet HWaddr 00:1b:21:0e:1f:46 > inet addr:172.16.48.110 Bcast:172.16.49.255 Mask:255.255.254.0 > > Extra ones: > eth3 Link encap:Ethernet HWaddr fc:75:16:8e:57:2b > inet addr:172.16.52.20 Bcast:172.16.53.255 Mask:255.255.254.0 > > eth4 Link encap:Ethernet HWaddr fc:75:16:8e:57:42 > inet addr:172.16.56.2 Bcast:172.16.56.255 Mask:255.255.255.0 > > Now my dnsmasq.conf, > > localise-queries > server=202.56.224.135 # uplink.1 > server=59.144.127.16 # uplink.1 > expand-hosts > addn-hosts=/etc/untangle-net-alpaca/dnsmasq-hosts > no-hosts > domain=bpl.netlink.com > interface=eth1 > interface=eth3 > interface=eth4 > dhcp-range=eth1,172.16.49.101,172.16.49.254,14400 > dhcp-range=eth1,172.16.50.1,172.16.50.254,14400 > dhcp-range=eth1,172.16.51.101,172.16.51.254,14400 > dhcp-range=eth4,172.16.56.20,172.16.56.254,14400 > dhcp-range=eth3,172.16.52.21,172.16.53.254,14400 > dhcp-option=eth1,3,172.16.48.1 > dhcp-option=eth4,3,172.16.56.1 > dhcp-option=eth3,3,172.16.52.1 > dhcp-option=eth1,1,255.255.252.0 > dhcp-option=eth4,1,255.255.255.0 > dhcp-option=eth3,1,255.255.254.0 > dhcp-option=eth1,6,172.16.48.146,172.16.48.147 > dhcp-option=eth4,6,172.16.48.146,172.16.48.147 > dhcp-option=eth3,6,172.16.52.3,172.16.48.146 > dhcp-lease-max=500 > dhcp-host=00:13:02:a9:8b:57,172.16.48.106,24h > dhcp-host=94:39:e5:e6:a7:cf,172.16.48.208,24h > > > Now the issue is that i when we assign the ips with dnsmasq running with > multiple subnets as mentioned we face issues with range 49: > dhcp-range=eth1,172.16.49.101,172.16.49.254,14400 > dhcp-range=eth1,172.16.50.1,172.16.50.254,14400 > dhcp-range=eth1,172.16.51.101,172.16.51.254,14400 > > it assigns the 50 and 51 series fine with internet access but when assigns 49 > series ip cant ping the untangles internal ip:172.16.48.4 > and hence no internet for 49 series > > Please suggest what can we do to resolve this. > > -- > Best Regards, > > Subhranshu Dwivedi > Technology Support > Ermin Systems > 0120.437.6161 (Main) > 741.581.0583(direct) > subhranshu.dwiv...@erminsystems.com > > Our Expertise: Consulting Services | Data Centre Solutions | Storage > Solutions | Network Integration | IT Infrastructure Optimization | Managed > Services | Software Licensing | Audio-Visual Integration| Database Migration > | ERP Solutions| IVR Services | Virtualization | > This email and any attachments are sent in confidence, subject to applicable > legal privilege and upon the basis that the recipient will conduct > appropriate virus checks. If you receive this email in error, please > telephone us upon receipt: you are strictly prohibited from using, copying or > disseminating it or any information contained in it, save to the intended > recipient. Internet communications are not secure and Ermin Systems Pvt. Ltd. > is not responsible for their abuse by third parties, nor for any alteration > or corruption in transmission, nor for any damage or loss caused by any virus > or other defects. > P Please consider the environment before printing this e-mail. > > _______________________________________________ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
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