> On Jun 11, 2016, at 12:02 AM, David Miller wrote:
>
> From: "Philip Prindeville"
> Date: Tue, 7 Jun 2016 13:48:46 -0600
>
>> From: Philip Prindeville
>>
>> In the presence of firewalls which improperly block ICMP Unreachable
>> (including Fragmentation Required) messages, Path MTU Discove
From: "Philip Prindeville"
Date: Tue, 7 Jun 2016 13:48:46 -0600
> From: Philip Prindeville
>
> In the presence of firewalls which improperly block ICMP Unreachable
> (including Fragmentation Required) messages, Path MTU Discovery is
> prevented from working.
>
> A workaround is to handle IPv4
> On Jun 7, 2016, at 9:22 PM, Alexander Duyck wrote:
>
> On Tue, Jun 7, 2016 at 12:48 PM, Philip Prindeville
> wrote:
>> From: Philip Prindeville
>>
>> In the presence of firewalls which improperly block ICMP Unreachable
>> (including Fragmentation Required) messages, Path MTU Discovery is
>>
On Tue, Jun 7, 2016 at 12:48 PM, 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.
>
> A workaround is to handle IPv4 payloads
On 06/07/2016 04:23 PM, Hannes Frederic Sowa wrote:
On 07.06.2016 22:42, Philip Prindeville wrote:
On 06/07/2016 02:23 PM, Hannes Frederic Sowa wrote:
On Tue, Jun 7, 2016, at 21:48, Philip Prindeville wrote:
static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
diff --git a/net/ipv
On 07.06.2016 22:42, Philip Prindeville wrote:
> On 06/07/2016 02:23 PM, Hannes Frederic Sowa wrote:
>>
>> On Tue, Jun 7, 2016, at 21:48, Philip Prindeville wrote:
>>> static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
>>> diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
>>> ind
On 06/07/2016 02:23 PM, Hannes Frederic Sowa wrote:
On Tue, Jun 7, 2016, at 21:48, Philip Prindeville wrote:
static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index d8f5e0a..95649eb 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net
On Tue, Jun 7, 2016, at 21:48, Philip Prindeville wrote:
> static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
> diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
> index d8f5e0a..95649eb 100644
> --- a/net/ipv4/ip_tunnel.c
> +++ b/net/ipv4/ip_tunnel.c
> @@ -682,7 +682,7 @@ void
From: Philip Prindeville
In the presence of firewalls which improperly block ICMP Unreachable
(including Fragmentation Required) messages, Path MTU Discovery is
prevented from working.
A workaround is to handle IPv4 payloads opaquely, ignoring the DF bit--as
is done for other payloads like Apple
