[AusNOG] Assistance with Cisco vPC configuration on 4 x Cisco Nexus 3000 switches

[Radek Tkaczyk]

Hi Guys,

So from the feedback so far is that we should also link SW-13 and SW-14 directly - updated as below.

The primary purpose for this design is to ensure redundancy across switches, and to be able to provide approx. 50 x 10Gbps ports, and 50 x 1 Gbps ports - this also leaves heaps of room for growth as well.

Still looking for someone to go over the config with, so if you are interested (paid gig) please let me know.

[cid:image001.png at 01D48568.790A7B10]


Thanks

Radek

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Radek Tkaczyk
Sent: Sunday, 25 November 2018 4:34 PM
To: Jacob Taylor <me at jacobtaylor.id.au>
Cc: <ausnog at lists.ausnog.net> <ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] Assistance with Cisco vPC configuration on 4 x Cisco Nexus 3000 switches

Hi Jake,

That's something that I wanted to check if it was needed/recommended.

Can certainly put it in if it will help achieve better performance and redundancy
Thanks

Radek

On 25 Nov 2018, at 4:26 pm, Jacob Taylor <me at jacobtaylor.id.au<mailto:me at jacobtaylor.id.au>> wrote:
Hi Radek,

Not personally familiar with vPC, more so Arista MLAG and Juniper MC-AE.

In the diagram there isn't a peer link between 13 & 14 - is that a mistake in the diagram or the actual design?

If you intend to build 2x20G bonds to two standalone nexus switches, that'll work fine.

If you are trying to achieve a 40G bowtie between the two pairs I'm fairly certain that won't work (unless Cisco has some special black magic to transport signalling/MAC synchronisation over the bond itself).

Cheers,
Jake



On 25 Nov 2018, at 15:04, Radek Tkaczyk <radek at tkaczyk.id.au<mailto:radek at tkaczyk.id.au>> wrote:
Hi Guys,

I have a need to configure vPC on 4 x Cisco Nexus 3000 switches at one of our data centres - a design that we will replicate to other data centres as well.

I think I have the config down pat, but I'd like someone with another pair of eyes to go over it with me to ensure it's 100% correct.

Is there anyone who can give me a hand here with this configuration, happy to pay for someone's time to go over it to ensure we are doing this correctly.

The Physical setup that I'm looking for:


<image001.png>

Thanks

Radek
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