Multicast
IPv6 Multicast Configuration
280 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
15
MLD Proxy
STEP  4 To configure MLD Proxy: 
STEP 1 Click Multicast > IPv6 Multicast Configuration > MLD Proxy.
STEP  2 Enter the following fields:
• MLD Multicast Routing—Select to enable IPv6 Multicast routing.
• Downstream Protection—Select to discard downstream packets not required for the 
device.
• Source Specific Multicast—Select to enable delivering Multicast packets originating 
from a specific source address defined in the next field.
• SSM IPv6 Access List—Define the list containing source addresses from which to 
deliver Multicast packets:
- Default list—Defines the SSM range access list to FF3E::/32.
- User defined access list—Select the standard IPv6 access list name defining the 
SSM range. These access lists are defined in Access Lists.
STEP  3 Click Apply. The Running Configuration file is updated.
STEP  4 To add protection to a VLAN, click Add and enter the following fields:
• Upstream Interface—Select the outgoing interface.
• Downstream Interface—Select the incoming interface.
• Downstream Protection—Select one of the following options:
- Use Global—Use the status set in the global block.
- Disable—This enables forwarding of IPv6 Multicast traffic from downstream 
interfaces.
- Enable—This disables forwarding from downstream interfaces.
STEP  5 Click Apply. The Running Configuration file is updated.
The following fields are displayed for each IP Multicast route:
• Source Address—Unicast source IPv4 address.
• Group Address—Multicast destination IPv4 address.