Am 29.06.15 um 22:59 schrieb Steffan Karger: > Instead of limiting the control channel TCP/UDP packet payload size at > '100 bytes + real control channel overhead' (~140 bytes ethernet payload), > increase the max TCP/UDP payload size to '1250 bytes - calculated overhead' > (~1210 bytes ethernet payload). This decreases the number of packets > required to establish a connection by a factor 10, but still has a > comfortable enough margin to succeed for lower-MTU connections. > > This should especially help out for complex configs (trac #545), but also > for high-latency connections (trac #543). > > Note that this patch does *not* yield an optimal solution, but it is a > simple and rather safe change that will improve connection setup times > significantly. > I have no experience with the code and what happens on a small MTU connection. Are there still very strange small MTU connections (like 56k dialup modems) around? On the other hand the OpenVPN 3.0 also uses 1200ish packet.
Arne
