Cisco: Block Multicast on a Specific Port

 Quick couple of lines to disable multicast traffic on a specific interface or port.

interface GigabitEthernet1/0/1
 switchport block multicast
 storm-control multicast level 0.00
!

The first command stops outbound multicasts from getting out.
The second command prevents inbound multicasts from entering the switchport.

Cisco: 877W Configure Wireless and Wired on Single Subnet

  This article will demonstrate how to configure a cisco router to allow the wireless and wired networks to communicate on the same vlan and subnet.

IOS version: 12.4(15)T12
Router Model: Cisco 877W
Router Series: Cisco 880 Series Integrated Services Routers

1. Configure DHCP Pool
2. Configure the SSID
3. Configure Vlan 1 Interface
4. Configure Dot11Radio Interface
5. Configure the Bridge Interface