Cisco OL-21636-01 User Manual

Page 97

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Cisco IP Solution Center L2VPN and Carrier Ethernet User Guide, 6.0

OL-21636-01

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
threshold level.

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).

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