I am looking for a switch that supports Q-in-Q (802.1ad) VLAN stacking.My Question is two-fold: (1) What switches on the market support the addition of Q-in-Q tags and (2) When Cisco lists 'Q-in-Q' support on a spec sheet, what does that actually mea...

I am having trouble configuring Business 220 switches to support a Q-in-Q tunnel.My Configuration: Switch 1 & 4 are 16 port Business 220 switches. Ports 1-10 are configured as Access ports VLAN 11-20 respectively. Port 15 is configured as a Trunk por...