QinQ switch or similar

David Swafford david at davidswafford.com
Sun Jan 8 12:05:50 UTC 2012

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


On Fri, Jan 6, 2012 at 6:36 PM, Matt Addison
<matt.addison at lists.evilgeni.us> wrote:
> Sent from my mobile device, so please excuse any horrible misspellings.
> On Jan 6, 2012, at 15:32, Bonald <bonald at 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.

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