LwipWrapper - let the user manage DNS servers #200
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lwip is compiled for only two DNS server entries. adding more doesn't work
per1234
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type: imperfection
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lwip is compiled for only two DNS server entries (DNS_MAX_SERVERS).
CNetIf attempted to add DNS servers forever with repeated calls for
configandsetDNS. and getterdnsIP(n)didn't work as expected.the best way is to let the library user manage the DNS servers for static IP configuration.
btw: DHCP sets the DNS servers starting from 0