I'm trying to setting up a Lab and i have an issue with Cisco Q in Q through an Hp ProCurve.
If i only connect an HP 2520 between the Switch B and C, it's working fine, PC1 can ping PC2 through vlan 400. But if i replace the 2520 by a e2620 with the same config, PC1 can't ping the other. The only working thing is if i do a SHOW CDP NEIGHBOR on Switch B, i can see the Switch C at the other side of the tunnel. Vlan 400 and vlan 401 doesnt work.
I would like to know why it's not working with the HP e2620. I can't see where the problem is.
*!*!*!* See the attached file *!*!*!* Hope the file will help you to understand the setup.
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