What is my VPI/VCI, I am configuring my router? SBC DSL FAQ| If you are configuring your router, you want to set the VPI/VCI setting for 0/35. Some of the older DSL accounts before June 2000, may need a VPI/VCI setting of 8/35 depending on your equipment, especially for the Alcatel modems. Vz uses 8/35 AT&T uses 0/35 by Ranma edited by MrFixitSC | ||