Recommended L2 switches for a new IXP
bedard.phil at gmail.com
Tue Jan 20 15:17:20 UTC 2015
For many people eliminating L2 switching and building on top of a L3
network is a good thing, especially if you are using BGP as the control
I'm not sure I follow the two routers with 40GE interfaces if you are just
building L2 domains to interconnect people.
On 1/20/15, 8:04 AM, "Marian Ďurkovič" <md at bts.sk> wrote:
>On Mon, Jan 19, 2015 at 09:37:35PM -0500, Phil Bedard wrote:
>> I think in fairly short order both TRILL and 802.1AQ will be depercated
>> place of VXLAN and using BGP EVPN as the control plane ala Juniper
>> QFX5100/Nexus 9300.
>We also evaluated VXLAN for IXP deployment, since Trident-2 introduced HW
>support for it. But VXLAN does *not* create a network for you, it relies
>some existing underlying IP network, on top of which VXLAN creates
>By using TRILL, we could connect 4 switches into a ring (or any other
>reasonable topology) and have a fully functional network with
>"routing" of L2 packets.
>With VXLAN, we'd need at least two additional IP routers with bunch of
>40GE interfaces to perform the functions TRILL supports out of the box.
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