Today I had the chance to work on a scenario where cisco Q-in-Q was needed. Basically, Q-in-Q is a method wherein a vlan (normally that of a customer) is left intact, and encapsulated within another vlan (normally that of a provider). So it's vlan-within-a-vlan. There are plenty of guides on the internet that explain it, … Continue reading Lessons Learned: Cisco Catalyst Q-in-Q
Lessons Learned: Cisco Catalyst Q-in-Q
David Vassallo's Blog 
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