[ovs-discuss] GRE tunnel not working when interface name lenght > 13 characters

Ben Pfaff blp at nicira.com
Wed Feb 15 17:14:46 UTC 2012

On Wed, Feb 15, 2012 at 04:40:53PM +0000, Salvatore Orlando wrote:
> An unexpected behaviour occurred while creating GRE tunnels with Open
> vSwitch.  In a nutshell, GRE tunnels appear to be not working when the
> name of the tunnel interface exceeded 13 characters. The tunnel is
> stored in the database, but it does not show up on the datapath.

That's odd.  I would expect the usable limit on tunnel and other vport
names to be 15 bytes, not 13.

I'll try this out when I get into the office later, if no one else has
already looked into it.

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