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L2PT configuration examples
Configuring L2PT for STP
Network requirements
As shown in Figure 92, the MAC addresses of CE 1 and CE 2 are 00e0-fc02-5800 and
00e0-fc02-5802, respectively. MSTP is enabled in Customer A's network, and default MSTP settings
are used.
Perform the following tasks on the PEs:
• Configure the ports that connect to CEs as access ports, and configure the ports in the service
provider network as trunk ports. Configure ports in the service provider network to allow packets
from any VLAN to pass.
• Enable L2PT for STP to enable Customer A's network to implement independent spanning tree
calculation across the service provider network.
• Set the destination multicast MAC address to 0100-0ccd-cdd0 for tunneled packets.
Figure 92 Network diagram
Configuration procedures
1. Configure PE 1:
# Set the destination multicast address to 0100-0ccd-cdd0 for tunneled packets.
<PE1> system-view
[PE1] l2protocol tunnel-dmac 0100-0ccd-cdd0
# Create VLAN 2.
[PE1] vlan 2
[PE1-vlan2] quit
# Configure Ten-GigabitEthernet 1/0/1 as an access port and assign the port to VLAN 2.
[PE1] interface ten-gigabitethernet 1/0/1
[PE1-Ten-GigabitEthernet1/0/1] port access vlan 2
# Disable STP and enable L2PT for STP on Ten-GigabitEthernet 1/0/1.
[PE1-Ten-GigabitEthernet1/0/1] undo stp enable
[PE1-Ten-GigabitEthernet1/0/1] l2protocol stp tunnel dot1q
[PE1-Ten-GigabitEthernet1/0/1] quit
# Configure Ten-GigabitEthernet 1/0/2 connected to the service provider network as a trunk
port, and assign the port to all VLANs.
[PE1] interface ten-gigabitethernet 1/0/2
[PE1-Ten-GigabitEthernet1/0/2] port link-type trunk
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