[148265] in North American Network Operators' Group
Re: QinQ switch or similar
daemon@ATHENA.MIT.EDU (David Swafford)
Sun Jan 8 07:06:52 2012
In-Reply-To: <-4843177455144437189@unknownmsgid>
Date: Sun, 8 Jan 2012 07:05:50 -0500
From: David Swafford <david@davidswafford.com>
To: Matt Addison <matt.addison@lists.evilgeni.us>
Cc: "nanog@nanog.org" <nanog@nanog.org>, Bonald <bonald@gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I'd check w/ the provider. They may be giving you only 5 VLANs to
avoid explaining/configuring QinQ -- remember, most small school
environments are limited on their IT knowledge. I bet if you ask,
they already support it, or have the gear/people to help with your
need.
David.
On Fri, Jan 6, 2012 at 6:36 PM, Matt Addison
<matt.addison@lists.evilgeni.us> wrote:
> Sent from my mobile device, so please excuse any horrible misspellings.
>
> On Jan 6, 2012, at 15:32, Bonald <bonald@gmail.com> wrote:
>
>> Hi,
>> We need to purchase some switch that support 1gbit QinQ.
>> Any suggestions ? We need to connect 9 schools together in layer2.
>> All 9 schools have 1gb link from our provider, provider gaves us 5 vlan to
>> work with.
>> We have around 35 vlan in-house.
>>
>> We are low budget. Any recommendation beside QinQ ?
>
> Your provider won't do QinQ for you? Have you verified they support
> the appropriate MTU for you to do your own QinQ under their tag (at
> least 1502)?
>
> As far as equipment, most Cisco kit from 3550 on up will do QinQ.
>
> Other alternatives would be to light it with routers and do EoMPLS or
> VPLS, but it'll be more expensive than just doing QinQ but potentially
> more scalable/stable.
>