[AusNOG] How to setup something like LACP across two switches

[Mattia Rossi]

A bit late, I know, but I would have thought that IEEE 802.1aq (SPB) 
would solve this issue? (FabricPath on Cisco).



On 20/04/2018 1:19 PM, James Cunningham wrote:
> Perfect thanks everyone for the replies - this is exactly what I was 
> looking for.
>
> Spanning tree was also a quick, easy option too - but vPC was what I 
> was looking for.
>
>
> On Fri, Apr 20, 2018 at 9:23 AM, Andrew Jones 
> <Andrew.Jones at optus.com.au <mailto:Andrew.Jones at optus.com.au>> wrote:
>
>     Here you go -
>     https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/layer2/503_U2_1/b_Cisco_n3k_layer2_config_guide_503_U2_1/b_Cisco_n3k_layer2_config_gd_503_U2_1_chapter_01000.html
>     <https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/layer2/503_U2_1/b_Cisco_n3k_layer2_config_guide_503_U2_1/b_Cisco_n3k_layer2_config_gd_503_U2_1_chapter_01000.html>
>
>
>     Andrew Jones
>
>     0435 658 228
>
>     *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net
>     <mailto:ausnog-bounces at lists.ausnog.net>] *On Behalf Of *James
>     Cunningham
>     *Sent:* Friday, 20 April 2018 9:18 AM
>     *To:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
>     *Subject:* [AusNOG] How to setup something like LACP across two
>     switches
>
>     Hello Fellow Ausnoggers,
>
>     I'm hoping that I can quickly pick the brain of someone more
>     knowledgeable in data centre networking than myself.
>
>     We have a customer in one of our racks in Equinix who has a single
>     network switch, and some servers connected to it. We currently
>     have two connections from our switch to the customer's switch,
>     with LACP for redundancy (and as a side effect, we get a slight
>     bandwidth boost for 2 x 1Gbps connections, which is a slight bonus).
>
>     We would like to improve this by putting in two network switches
>     on our end, to protect again a single switch failure on our side,
>     but the customer will still have one single network switch.
>
>     I'm pretty sure we can't do LACP with this style of setup - so
>     what would people recommend to achieve redundancy here? Main thing
>     is that the connection needs to auto-failover if a network switch
>     fails, or if one of the uplinks fails.
>
>     I have created the attached diagram which illustrates what we are
>     trying to do.
>
>     Can anyone please help? I'll owe a beer at the Next AusNOG meetup!
>
>     Thanks
>
>     James
>
>
>
>
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