From: "Philip Prindeville" <[email protected]> Date: Tue, 14 Jun 2016 15:53:02 -0600
> From: Philip Prindeville <[email protected]> > > 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 AppleTalk--and doing transparent > fragmentation and reassembly. > > Redux includes the enforcement of mutual exclusion between this feature > and Path MTU Discovery as suggested by Alexander Duyck. > > Cc: Alexander Duyck <[email protected]> > Reviewed-by: Stephen Hemminger <[email protected]> > Signed-off-by: Philip Prindeville <[email protected]> Applied.
