modify dhcp offer MTU to 1500
@@ -373,13 +373,8 @@ static u8_t *add_offer_options(u8_t *optptr)
*optptr++ = DHCP_OPTION_INTERFACE_MTU;
*optptr++ = 2;
-#ifdef CLASS_B_NET
*optptr++ = 0x05;
*optptr++ = 0xdc;
-#else
- *optptr++ = 0x02;
- *optptr++ = 0x40;
-#endif
*optptr++ = DHCP_OPTION_PERFORM_ROUTER_DISCOVERY;
*optptr++ = 1;
