Multicast
IPv4 Multicast Configuration
Cisco 500 Series Managed Switch Administration Guide 328
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STEP 2 Select an interface, and click Edit. Enter the values of the fields described above.
STEP 3 Click Apply. The Running Configuration file is updated.
IGMP Proxy
NOTE This page is only found on SG500X/SG500XG devices.
To configure IGMP Proxy:
STEP 1 Click Multicast > IPv4 Multicast Configuration > IGMP Proxy.
STEP 2 Enter the following fields:
• IGMP Multicast Routing—Select to enable IPv4 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 IPv4 Access List—Define the list containing source addresses from
which to deliver Multicast packets:
- Default List—Defines the SSM range access list to 232.0.0.0/8.
- User defined access list—Select the standard IPv4 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.
To add protection to a VLAN, click Add and enter the following fields:
• Upstream Interface—Select the upstream interface. Since there is only a
single upstream interface, if one has already been selected, this field is
grayed out.
• Downstream Interface—Select the downstream interface. There can be
multiple downstream interfaces.
• Downstream Protection—Select one of the following options:
- Use Global—Use the status set in the global block.
- Disable—This disables forwarding of IPv4 Multicast traffic from
downstream interfaces.
- Enable—This enables forwarding from downstream interfaces.
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