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Cisco IP Solution Center L2VPN and Carrier Ethernet User Guide, 6.0
Chapter 5 Creating a FlexUNI/EVC ATM-Ethernet Interworking Policy
Setting the Interface Attributes
d. In the Secure MAC Addresses field, enter one or more Ethernet MAC addresses.
Figure 5-6 UNI Port Security
Step 11 Check the Enable Storm Control check box (see Figure 5-7) to help prevent the UNI port from being
disrupted by a broadcast, multicast, or unicast storm.
Enter a threshold value for each type of traffic. The value, which can be specified to two significant
digits, represents the percentage of the total available bandwidth of the port. If the threshold of a traffic
type is reached, further traffic of that type is suppressed until the incoming traffic falls below the
Figure 5-7 Enable Storm Control
Step 12 Check the Protocol Tunnelling check box (see Figure 5-8) if you want to define the Layer 2 Bridge
Protocol Data Unit (BPDU) frames that can be tunneled over the core to the other end.
Figure 5-8 Protocol Tunnelling
For each protocol that you choose, enter the shutdown threshold and drop threshold for that protocol:
a. Enable cdp—Enable Layer 2 tunnelling on Cisco Discover Protocol (CDP).