netdev - Re: [PATCH net-next 0/4] selftests: forwarding: Add tests for VXLAN routing

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Date:   Tue, 22 Jan 2019 20:41:38 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     idosch@...lanox.com
Cc:     netdev@...r.kernel.org, roopa@...ulusnetworks.com,
        mlxsw@...lanox.com
Subject: Re: [PATCH net-next 0/4] selftests: forwarding: Add tests for
 VXLAN routing

From: Ido Schimmel <idosch@...lanox.com>
Date: Mon, 21 Jan 2019 13:22:51 +0000

> VXLAN routing allows hosts in different overlay networks (i.e.,
> different VNIs) to communicate with one another.
> 
> Two popular routing models are asymmetric and symmetric routing.
> 
> In asymmetric routing the ingress VTEP routes the packet into the
> correct VXLAN tunnel, whereas the egress VTEP only bridges the packet to
> the correct host. Therefore, packets in different directions use
> different VNIs - the target VNI.
> 
> In symmetric routing both the ingress and egress VTEPs perform routing
> in the overlay network into / from the VXLAN tunnel. Packets in
> different directions use the same VNI - the L3 VNI. Different tenants
> (VRFs) use different L3 VNIs.
> 
> Patch #1 adds a test for asymmetric routing. Patches #2-#3 reuse the
> topology and add test cases for ARP decapsulation and suppression.
> 
> Patch #4 adds a test for symmetric routing.

Series applied, thanks!