Re: [PATCH] xfrm:fragmented ipv4 tunnel packets in inner interface

2020-11-09 Thread Maciej Żenczykowski
On Mon, Nov 9, 2020 at 1:58 AM Steffen Klassert wrote: > > On Thu, Nov 05, 2020 at 01:52:01PM +0900, Lorenzo Colitti wrote: > > On Tue, Sep 15, 2020 at 4:30 PM Steffen Klassert > > wrote: > > > > In esp's tunnel mode,if inner interface is ipv4,outer is ipv4,one big > > > > packet which travels th

Re: [PATCH] xfrm:fragmented ipv4 tunnel packets in inner interface

2020-11-09 Thread Steffen Klassert
On Thu, Nov 05, 2020 at 01:52:01PM +0900, Lorenzo Colitti wrote: > On Tue, Sep 15, 2020 at 4:30 PM Steffen Klassert > wrote: > > > In esp's tunnel mode,if inner interface is ipv4,outer is ipv4,one big > > > packet which travels through tunnel will be fragmented with outer > > > interface's mtu,pee

Re: [PATCH] xfrm:fragmented ipv4 tunnel packets in inner interface

2020-11-04 Thread Lorenzo Colitti
On Tue, Sep 15, 2020 at 4:30 PM Steffen Klassert wrote: > > In esp's tunnel mode,if inner interface is ipv4,outer is ipv4,one big > > packet which travels through tunnel will be fragmented with outer > > interface's mtu,peer server will remove tunnelled esp header and assemble > > them in big pack

Re: [PATCH] xfrm:fragmented ipv4 tunnel packets in inner interface

2020-11-04 Thread Maciej Żenczykowski
On Wed, Nov 4, 2020 at 7:53 PM lina.wang wrote: > > Besides several operators donot fragment packets even DF bit is not set, > and instead just drop packets which they think big, maybe they have a > consideration--- fragmentation is expensive for both the router that > fragments and for the host t

Re: [PATCH] xfrm:fragmented ipv4 tunnel packets in inner interface

2020-09-15 Thread Steffen Klassert
On Wed, Sep 09, 2020 at 02:26:13PM +0800, mtk81216 wrote: > In esp's tunnel mode,if inner interface is ipv4,outer is ipv4,one big > packet which travels through tunnel will be fragmented with outer > interface's mtu,peer server will remove tunnelled esp header and assemble > them in big packet.Af