Switchport l2protocol-tunnel – Brocade Communications Systems Brocate Ethernet Access Switch 6910 User Manual
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Brocade 6910 Ethernet Access Switch Configuration Guide
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Configuring L2CP Tunneling
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L2PT is enabled on this port, it is forwarded to the following ports in the same S-VLAN:
(a) other access ports for which L2PT is enabled, and (b) uplink ports after rewriting
the destination address to make it a GBPT protocol packet (i.e., setting the destination
address to 01-00-0C-CD-CD-D0).
•
L2PT is disabled on this port, it is forwarded to the following ports in the same S-VLAN:
(a) other access ports for which L2PT is disabled, and (b) all uplink ports.
•
recognized as a GBPT protocol packet (i.e., having the destination address
01-00-0C-CD-CD-D0), and
•
L2PT is enabled on this port, it is forwarded to other access ports in the same S-VLAN
for which L2PT is enabled
•
L2PT is disabled on this port, it is forwarded to the following ports in the same S-VLAN:
(a) other access ports for which L2PT is disabled, and (b) all uplink ports.
•
For L2PT to function properly, QinQ must be enabled on the switch using the
command, and the interface configured to 802.1Q tunnel mode using
the
command.
Example
Console(config)#dot1q-tunnel system-tunnel-control
Console(config)#l2protocol-tunnel tunnel-dmac 01-80-C2-00-00-01
Console(config-)#
switchport l2protocol-tunnel
This command enables Layer 2 Protocol Tunneling (L2PT) for the specified protocol. Use the no
form to disable L2PT for the specified protocol.
Syntax
switchport l2protocol-tunnel {cdp | lldp | pvst+ | spanning-tree | vtp}
cdp - Cisco Discovery Protocol
lldp - Link Layer Discovery Protocol
pvst+ - Cisco Per VLAN Spanning Tree Plus
spanning-tree - Spanning Tree (STP, RSTP, MSTP)
vtp - Cisco VLAN Trunking Protocol
Default Setting
Disabled for all protocols
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
•
Refer to the Command Usage section for the
command.
•
For L2PT to function properly, QinQ must be enabled on the switch using the
command, and the interface configured to 802.1Q tunnel mode using
the
command.