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layer2-protocol-tunneling all | protocol-name {drop-threshold number;shutdown-threshold number;}

[edit vlans vlan-name dot1q-tunneling]

Statement introduced in Junos OS Release 10.0 for EX Series switches.

Statement introduced in Junos OS Release 12.1 for the QFX Series.

Enable Layer 2 protocol tunneling (L2PT) on the VLAN.

The remaining statements are explained separately.

L2PT is not enabled.

all—Enable all supported Layer 2 protocols.

protocol-name—Name of the Layer 2 protocol. Values are:

802.1x—IEEE 802.1X authentication
802.3ah—IEEE 802.3ah Operation, Administration, and Maintenance (OAM) link fault management (LFM)
Note: If you enable L2PT for untagged OAM LFM packets, do not configure LFM on the corresponding access interface.
cdp—Cisco Discovery Protocol
e-lmi—Ethernet local management interface
gvrp—GARP VLAN Registration Protocol
lacp—Link Aggregation Control Protocol
Note: If you enable L2PT for untagged LACP packets, do not configure LACP on the corresponding access interface.
lldp—Link Layer Discovery Protocol
mmrp—Multiple MAC Registration Protocol
mvrp—Multiple VLAN Registration Protocol
stp—Spanning Tree Protocol, Rapid Spanning Tree Protocol, and Multiple Spanning Tree Protocol
udld—Unidirectional Link Detection (UDLD)
vstp—VLAN Spanning Tree Protocol
vtp—VLAN Trunking Protocol

system—To view this statement in the configuration.
system-control—To add this statement to the configuration.