Setting IP TTL for a UDP (mdns) - setsockopt equiv?

[bko]

See this thread for a working-on-the-older-Spark-Core mDNS.

Spark Core and MDNS

Spark Core and MDNS Here is the Spark Core port of Adafruit MDNS library. The library provides the ability to setup a name for the Spark Core and resolve it. We can name the Core anything we want, the library will append “.local” to the name and we can access the Core using the URL “name.local”. The sample application names the Core as “myspark”. If the MDNS is setup correctly then it creates a TCPServer on port 80. The Core can be accessed using the URL “http://myspark.local”. The server simpl…

You don't have easy access to either the TTL (hop-count) or the ICMP Time Exceeded reply messages in this stack.