RE: [PATCH v3] iproute2: add support for GRE ignore-df knob

2017-09-12 Thread Michele Lucini
support for GRE ignore-df knob > On Jul 20, 2017, at 6:26 PM, Stephen Hemminger > wrote: > > On Thu, 20 Jul 2017 13:06:10 -0600 > "Philip Prindeville" wrote: > >> From: Philip Prindeville >> >> In the presence of firewalls which improperly block

Re: [PATCH v3] iproute2: add support for GRE ignore-df knob

2017-07-20 Thread Philip Prindeville
> On Jul 20, 2017, at 6:26 PM, Stephen Hemminger > wrote: > > On Thu, 20 Jul 2017 13:06:10 -0600 > "Philip Prindeville" wrote: > >> From: Philip Prindeville >> >> In the presence of firewalls which improperly block ICMP Unreachable >> (including Fragmentation Required) messages, Path MTU Di

Re: [PATCH v3] iproute2: add support for GRE ignore-df knob

2017-07-20 Thread Stephen Hemminger
On Thu, 20 Jul 2017 13:06:10 -0600 "Philip Prindeville" wrote: > From: Philip Prindeville > > In the presence of firewalls which improperly block ICMP Unreachable > (including Fragmentation Required) messages, Path MTU Discovery is > prevented from working. > > The workaround is to handle IPv4