A tp-link TL-841N route with ddwrt firmware (build 24160) is used in the test:
Route Config:
Route IP = 192.168.127.2
DNSMasq = Enable
Local DNS = Enable
No DNS Rebind = Enable
Additional DNSMasq Options
dhcp-boot=pxe/pxelinux.0,lzheng-ubuntu-10,192.168.127.88
dhcp-option=44,172.24.63.201,172.24.63.202 dhcp-option=6,172.24.63.212,172.24.63.211,172.24.63.163,172.24.63.161,172.24.63.162
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Note
dhcp-boot, specified pxe boot file and the tftp server
dhcp-option=44, specified wins server
dhcp-option=6, specified upstream DNS server