> On 15. Oct 2020, at 23:23, David Laight <David.Laight@xxxxxxxxxx> wrote: > > From: Marcelo Ricardo Leitner >> Sent: 15 October 2020 18:43 >> >> Actually.. >> >> On Tue, Oct 13, 2020 at 03:27:41PM +0800, Xin Long wrote: >> ... >>> Also add sysctl udp_port to allow changing the listening >>> sock's port by users. > > I've not read through this change... > > But surely the UDP port (or ports) that you need to use > will depend on the remote system's configuration. The local encapsulation port can be system wide, the remote encapsulation port is per remote address. See https://tools.ietf.org/html/rfc6951#section-5.1 Best regards Michael > > So they need to be a property of the socket, not a > system-wide value. > > I can easily imagine my M3UA code connecting to different > network providers which have decided to use different > UDP port numbers. > > David > > - > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK > Registration No: 1397386 (Wales) >
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