Configuring L2Cp Tunneling - Edge-Core ECS4620-28T Quick Start Manual

Chapter 21
| VLAN Commands

Configuring L2CP Tunneling

Configuring L2CP Tunneling
l2protocol-tunnel
tunnel-dmac
Related Commands
switchport dot1q-tunnel mode
This section describes the commands used to configure Layer 2 Protocol Tunneling
(L2PT).
Table 110: L2 Protocol Tunnel Commands
Command
l2protocol-tunnel tunnel-
dmac
switchport
l2protocol-tunnel
show l2protocol-tunnel
This command configures the destination address for Layer 2 Protocol Tunneling
(L2PT). Use the no form to restore the default setting.
Syntax
l2protocol-tunnel tunnel-dmac mac-address
mac-address – The switch rewrites the destination MAC address in all
upstream L2PT protocol packets (i.e, STP BPDUs) to this value, and forwards
them on to uplink ports. The MAC address must be specified in the format
xx-xx-xx-xx-xx-xx or xxxxxxxxxxxx.
Default Setting
01-12-CF-.00-00-02, proprietary tunnel address
Command Mode
Global Configuration
Command Usage
◆
When L2PT is not used, protocol packets (such as STP) are flooded to 802.1Q
access ports on the same edge switch, but filtered from 802.1Q tunnel ports.
This creates disconnected protocol domains in the customer's network.
◆
L2PT can be used to pass various types of protocol packets belonging to the
same customer transparently across a service provider's network. In this way,
normally segregated network segments can be configured to function inside a
common protocol domain.
◆
L2PT encapsulates protocol packets entering ingress ports on the service
provider's edge switch, replacing the destination MAC address with a
(593)
Function
Configures the destination address for Layer 2 Protocol
Tunneling
Enables Layer 2 Protocol Tunneling for the specified
protocol
Shows settings for Layer 2 Protocol Tunneling
– 598 –
Mode
GC
IC
PE