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</o:shapelayout></xml><![endif]--></head><body lang=ZH-TW link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Greetings,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have an issue about set multiple interfaces with different subnet mask.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I set three interfaces, br-lan, br-VLAN4 and br-VLAN5. br-VLAN5 subnet mask is 255.0.0.0, others are 255.255.255.0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>When there is no DHCP leases, DHCP Client can get correct DHCP OFFER from different interfaces.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>But if client get DHCP OFFER from br-VLAN5, and then switch back to br-lan. It will get incorrect result.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>What I expect is it can be obtained in original br-lan dhcp-range. Do I miss anything?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Here is my dnsmasq.conf and log, you can see last DHCP OFFER from br-lan is incorrect.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>======================================================<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>localise-queries<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-range=lan,192.168.10.101,192.168.10.199,255.255.255.0,12h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-range=VLAN4,192.168.4.101,192.168.4.199,255.255.255.0,12h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN4,44,4.4.4.4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN4,6,4.4.4.1,4.4.4.2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN4,15,444.com<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-range=VLAN5,192.0.0.101,192.0.0.199,255.0.0.0,12h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN5,44,5.5.5.5<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN5,6,5.5.5.1,5.5.5.2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dhcp-option=VLAN5,15,555.com<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>======================================================<o:p></o:p></span></p><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: started, version 2.78 cachesize 150<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: DNS service limited to local subnets<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset no-auth DNSSEC loop-detect inotify<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq-dhcp[14002]: DHCP, IP range 192.0.0.101 -- 192.0.0.199, lease time 12h<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq-dhcp[14002]: DHCP, IP range 192.168.4.101 -- 192.168.4.199, lease time 12h<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq-dhcp[14002]: DHCP, IP range 192.168.10.101 -- 192.168.10.199, lease time 12h<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: using local addresses only for domain lan<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.warn dnsmasq[14002]: no servers found in /tmp/resolv.conf.auto, will retry<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: read /etc/hosts - 1 addresses<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq[14002]: read /tmp/hosts/dhcp - 0 addresses<o:p></o:p></span></pre><pre><span lang=EN-US>Mon Apr 30 03:27:10 2018 daemon.info dnsmasq-dhcp[14002]: read /etc/ethers - 0 addresses<o:p></o:p></span></pre><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-lan) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-lan) 192.168.10.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-lan) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-lan) 192.168.10.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPREQUEST(br-lan) 192.168.10.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:24 2018 daemon.info dnsmasq-dhcp[14002]: DHCPACK(br-lan) 192.168.10.155 58:ef:68:ba:4d:c6 F7C074-BA4DC6<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:36 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.10.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-VLAN4) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-VLAN4) 192.168.4.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-VLAN4) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-VLAN4) 192.168.4.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPREQUEST(br-VLAN4) 192.168.4.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq-dhcp[14002]: DHCPACK(br-VLAN4) 192.168.4.155 58:ef:68:ba:4d:c6 F7C074-BA4DC6<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:38 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.10.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:40 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.10.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:42 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.4.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:42 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.4.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:42 2018 daemon.info dnsmasq[14002]: query[A] pool.ntp.org from 192.168.4.155<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:57 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-VLAN5) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:57 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-VLAN5) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:57 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-VLAN5) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:57 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-VLAN5) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:58 2018 daemon.info dnsmasq-dhcp[14002]: DHCPREQUEST(br-VLAN5) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:27:58 2018 daemon.info dnsmasq-dhcp[14002]: DHCPACK(br-VLAN5) 192.0.0.155 58:ef:68:ba:4d:c6 F7C074-BA4DC6<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:16 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-lan) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:16 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:16 2018 daemon.info dnsmasq-dhcp[14002]: DHCPREQUEST(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:16 2018 daemon.info dnsmasq-dhcp[14002]: DHCPACK(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 F7C074-BA4DC6<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:19 2018 daemon.info dnsmasq-dhcp[14002]: DHCPDISCOVER(br-lan) 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:19 2018 daemon.info dnsmasq-dhcp[14002]: DHCPOFFER(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:19 2018 daemon.info dnsmasq-dhcp[14002]: DHCPREQUEST(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:MingLiU'>Mon Apr 30 03:28:19 2018 daemon.info dnsmasq-dhcp[14002]: DHCPACK(br-lan) 192.0.0.155 58:ef:68:ba:4d:c6 F7C074-BA4DC6<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>