[Mono-list] Mono and IPv6

[Philipp Baer]

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Hi,

today I experienced some problems with Mono and IPv6. The first problem
I came over was that

  Socket.SupportsIPv6

always returns "False" on Mono 1.1.13.2. The flag in the machine.config
files seems to be ignored. When using Mono 1.1.8.3, however, "True" is
returned. That's only a cosmetic bug, I suppose, since for normal IPv6
operation, everything runs just fine.

The second problem I faced appeared when I wanted to subscribe to an
IPv6 multicast group (ff32::8000:5 in my case). The SetSocketOption call
only throws an "Invalid arguments" exception. This happened for both
Mono versions.

Am I missing something? Here's the source:

===
Socket s = new Socket(
		AddressFamily.InterNetworkV6,
		SocketType.Dgram,
		ProtocolType.Udp);
		
IPAddress ip = IPAddress.Parse("ff32::8000:5");

s.SetSocketOption(
	SocketOptionLevel.IPv6,
	SocketOptionName.AddMembership,
	new IPv6MulticastOption(ip));
===

I'm using the Mono Ubuntu packages (Breezy (1.1.8.3)
and Dapper (1.1.13.2)).


Thanks so far,

ciao, phb

- --
Philipp Baer <phbaer at npw.net> [http://www.npw.net/]
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