[ovs-dev] [PATCH 1/8] gre: Disable checksums by default.

Ben Pfaff blp at nicira.com
Wed Aug 18 16:18:08 UTC 2010


On Wed, Aug 18, 2010 at 12:08:45AM -0700, Jesse Gross wrote:
> GRE checksums aren't really all that useful because they only
> add value for the GRE and inner Ethernet header.  However, they
> are expensive since they cover the entire packet, even though
> most of the data is protected by L3 and L4 checksums.  Therefore
> disable checksumming by default to improve performance.  In addition,
> since CAPWAP doesn't support checkums this makes it consistent with

"checksums"

> GRE.

Looks good.  Would it be worthwhile to explain the tradeoff, as you do
above, in vswitch.xml?




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