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Ethernet Library spam - fixes #2571 / #985 #2642

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Ethernet Library spam - fixes #2571 / #985 #2642

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12 changes: 10 additions & 2 deletions libraries/Ethernet/src/Dhcp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ int DhcpClass::request_DHCP_lease(){
}
if(_dhcpT2 == 0){
//T2 should be 87.5% (7/8ths) of _dhcpLeaseTime
_dhcpT2 = _dhcpT1 << 1;
_dhcpT2 = _dhcpLeaseTime*7/8;
}
_renewInSec = _dhcpT1;
_rebindInSec = _dhcpT2;
Expand Down Expand Up @@ -201,7 +201,15 @@ void DhcpClass::send_DHCP_MESSAGE(uint8_t messageType, uint16_t secondsElapsed)
buffer[8] = 0x07;
buffer[9] = 0x01;
memcpy(buffer + 10, _dhcpMacAddr, 6);

// SurferTim added
if(messageType == DHCP_REQUEST)
{
buffer[12] = _dhcpLocalIp[0];
buffer[13] = _dhcpLocalIp[1];
buffer[14] = _dhcpLocalIp[2];
buffer[15] = _dhcpLocalIp[3];
}
// end SurferTim added
// OPT - host name
buffer[16] = hostName;
buffer[17] = strlen(HOST_NAME) + 6; // length of hostname + last 3 bytes of mac address
Expand Down