Re: [Openvpn-devel] Default MTU

2002-07-10 Thread Matthias Andree
On Sun, 07 Jul 2002, James Yonan wrote: > (1) Static, pre-shared key mode is stateless and handshake-free, so there > isn't really an existing context in which PMTU discovery could be > implemented. Must the MTU be known to the protocol after all? It might be assymmetric when asymmetric routing (

Re: [Openvpn-devel] Default MTU

2002-07-09 Thread James Yonan
On 8 Jul 2002, Jan Johansson wrote: > On Sun, 2002-07-07 at 22:19, James Yonan wrote: > > What should the default MTU be? > > > > Right now the default UDP MTU is 1500 if you use --ifconfig, which is > > probably too high, because as Matthias Andree pointed out, 1500 + IP header > > size is great

Re: [Openvpn-devel] Default MTU

2002-07-08 Thread Jan Johansson
On Sun, 2002-07-07 at 22:19, James Yonan wrote: > What should the default MTU be? > > Right now the default UDP MTU is 1500 if you use --ifconfig, which is > probably too high, because as Matthias Andree pointed out, 1500 + IP header > size is greater than 1500 and will cause fragmentation on ethe

[Openvpn-devel] Default MTU

2002-07-07 Thread James Yonan
What should the default MTU be? Right now the default UDP MTU is 1500 if you use --ifconfig, which is probably too high, because as Matthias Andree pointed out, 1500 + IP header size is greater than 1500 and will cause fragmentation on ethernet networks where the MTU is 1500. 1450 might make more