Re: [ovs-dev] Path MTU discovery on GRE interfaces

2021-06-25 Thread Matthias May via dev
On 24/06/2021 05:51, Jesse Gross wrote: > On Wed, Jun 23, 2021 at 10:06 AM Ben Pfaff > wrote: > > [updating Jesse's email address] > > On Wed, Jun 23, 2021 at 04:48:29PM +0200, Matthias May via dev wrote: > > I'm currently fighting with issues where TCP/UDP

Re: [ovs-dev] Path MTU discovery on GRE interfaces

2021-06-25 Thread Matthias May via dev
On 23/06/2021 19:06, Ben Pfaff wrote: > [updating Jesse's email address] > > On Wed, Jun 23, 2021 at 04:48:29PM +0200, Matthias May via dev wrote: >> I'm currently fighting with issues where TCP/UDP frames that are larger than >> the MTU of a GRE tunnel are dropped. >> I'm aware of the whys and

Re: [ovs-dev] Path MTU discovery on GRE interfaces

2021-06-24 Thread Jesse Gross
On Wed, Jun 23, 2021 at 10:06 AM Ben Pfaff wrote: > [updating Jesse's email address] > > On Wed, Jun 23, 2021 at 04:48:29PM +0200, Matthias May via dev wrote: > > I'm currently fighting with issues where TCP/UDP frames that are larger > than the MTU of a GRE tunnel are dropped. > > I'm aware of

Re: [ovs-dev] Path MTU discovery on GRE interfaces

2021-06-23 Thread Dan Williams
On Wed, 2021-06-23 at 10:06 -0700, Ben Pfaff wrote: > [updating Jesse's email address] > > On Wed, Jun 23, 2021 at 04:48:29PM +0200, Matthias May via dev wrote: > > I'm currently fighting with issues where TCP/UDP frames that are > > larger than the MTU of a GRE tunnel are dropped. > > I'm aware

Re: [ovs-dev] Path MTU discovery on GRE interfaces

2021-06-23 Thread Ben Pfaff
[updating Jesse's email address] On Wed, Jun 23, 2021 at 04:48:29PM +0200, Matthias May via dev wrote: > I'm currently fighting with issues where TCP/UDP frames that are larger than > the MTU of a GRE tunnel are dropped. > I'm aware of the whys and how to work around the issue, but while looking

[ovs-dev] Path MTU discovery on GRE interfaces

2021-06-23 Thread Matthias May via dev
Hi Jesse, Hi List I'm currently fighting with issues where TCP/UDP frames that are larger than the MTU of a GRE tunnel are dropped. I'm aware of the whys and how to work around the issue, but while looking for solutions i stumbled over the fact that: * [1] added PMTUD support to OVS * [2]