No, 3825 routers does not support VLAN access maps. They are intergrated services router and the Cisco 3825 routers support two network module slots. Slot 1 can hold either one single-wide network module or one extended single-wide network module. Slot 2 can hold either one single-wide network module, one extended single-wide network module, one double-wide network module, or one extended double-wide network module. The Cisco 3825 routers also have two built-in Gigabit Ethernet LAN ports, two built-in USB ports for future use, four single-wide or two double-wide HWICs, two AIMs, four PVDM slots, optional inline power output of up to 360 watts (equals 48 ports of standard baseline IP phone power output), and hardware-based Virtual Private Network (VPN) encryption acceleration
