[180305] in North American Network Operators' Group
Re: Multiple vendors' IPv6 issues
daemon@ATHENA.MIT.EDU (Bruce Simpson)
Sun May 31 12:22:21 2015
X-Original-To: nanog@nanog.org
Date: Sun, 31 May 2015 17:22:15 +0100
From: Bruce Simpson <bms@fastmail.net>
To: nanog@nanog.org
In-Reply-To: <55661C73.2000504@gameservers.com>
Errors-To: nanog-bounces@nanog.org
On 27/05/2015 20:35, Brian Rak wrote:
>
> You don't need full promisc mode, just the (poorly documented)
> allmulticast option (ip link set dev $macvtap allmulticast on)
...And poorly supported on some real hardware (notably Wi-Fi adapters),
where the hash filter on each NIC's MAC is not guaranteed to support
"ALLMULTI".
It's a prerequisite for software multicast forwarding, and, it might be
argued, a good litmus test for IPv6 readiness.
