Cisco 350 Series Administration Manual page 357

Multicast
IPv4 Multicast Configuration
STEP 4
STEP 5
Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
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 enables forwarding of IPv4 Multicast traffic from downstream
interfaces.
- Enable—This disables forwarding from downstream interfaces.
Click Apply. The Running Configuration file is updated.
The following fields are displayed for each IPv4 Multicast route:
• Source Address—Unicast source IPv4 address.
• Group Address—Multicast destination IPv4 address.
• Incoming Interface—Expected interface for a Multicast packet from the source. If the
packet is not received on this interface, it is discarded.
• Outgoing Interfaces—Interfaces through which packets will be forwarded.
• Uptime—Length of time in hours, minutes, and seconds that the entry has been in the
IP Multicast routing table.
• Expiry Time—Length of time in hours, minutes, and seconds until the entry is removed
from the IP Multicast routing table.
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