Install Guide

Table Of Contents
INTERFACE VLAN mode
protocol-tunnel stp
Specifying a Destination MAC Address for BPDUs
By default, Dell EMC Networking OS uses a Dell EMC Networking-unique MAC address for tunneling BPDUs. You can configure
another value.
To specify a destination MAC address for BPDUs, use the following command.
Overwrite the BPDU with a user-specified destination MAC address when BPDUs are tunneled across the provider network.
CONFIGURATION mode
protocol-tunnel destination-mac
The default is 01:01:e8:00:00:00
Setting Rate-Limit BPDUs
CAM space is allocated in sections called field processor (FP) blocks.
There are a total of 13 user-configurable FP blocks. The default number of blocks for L2PT is 0; you must allocate at least one
to enable BPDU rate-limiting.
To set the rate-lime BPDUs, use the following commands.
1. Create at least one FP group for L2PT.
CONFIGURATION mode
cam-acl l2acl
For details about this command, refer to CAM Allocation.
2. Save the running-config to the startup-config.
EXEC Privilege mode
copy running-config startup-config
3. Reload the system.
EXEC Privilege mode
reload
4. Set a maximum rate at which the RPM processes BPDUs for L2PT.
VLAN STACKING mode
protocol-tunnel rate-limit
The default is: no rate limiting.
The range is from 64 to 320 kbps.
Debugging Layer 2 Protocol Tunneling
To debug Layer 2 protocol tunneling, use the following command.
Display debugging information for L2PT.
EXEC Privilege mode
debug protocol-tunnel
Provider Backbone Bridging
IEEE 802.1adProvider Bridges amends 802.1QVirtual Bridged Local Area Networks so that service providers can use 802.1Q
architecture to offer separate VLANs to customers with no coordination between customers, and minimal coordination between
customers and the provider.
802.1ad specifies that provider bridges operating spanning tree use a reserved destination MAC address called the Provider
Bridge Group Address, 01-80-C2-00-00-08, to exchange BPDUs instead of the Bridge Group Address, 01-80-C2-00-00-00,
Service Provider Bridging
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