User manual
Table Of Contents
- About This Manual
- 1 VLAN Configuration
- VLAN Overview
- Configuring VLAN
- Creating VLAN
- Creating a VLAN in VLAN Database
- Setting VLAN Name
- Setting VLAN Link Type on Ethernet Interface
- Adding VLAN Member Port
- Adding Ports to a VLAN in Batches
- Setting the Native VLAN for a Trunk or Hybrid Port
- Setting VLAN Filtering on a Port
- Setting Frame Filtering Type of a Port
- Creating VLAN Layer 3 Interface
- VLAN Configuration Example
- Configuring PVLAN
- Configuring QinQ
- Configuring Subnet VLAN
- Configuring Protocol VLAN
- Configuring VLAN Translation
- Configuring SuperVLAN
- VLAN Maintenance and Diagnosis
- 2 SVLAN Configuration
- 3 SVLAN COS Configuration
- 4 ZESR and SVLAN Linkage Networking Configuration
- 5 MAC Address Table Configuration
- Introduction to MAC Address
- Configuring MAC Address Table
- Setting MAC Address Aging Time
- Burning MAC Addresses
- Configuring MAC Address Permanent
- Binding MAC Address to a Port
- Enabling MAC Address Learning
- Limiting MAC Address Count
- Setting MAC Address Learning Protection
- Setting Port Unkown Source MAC Address Filtering
- Setting MAC Address Filtering
- Viewing MAC Address Table
- MAC Address Table Configuration Example
- 6 STP Configuration
- 7 Link Aggregation Configuration
- 8 IGMP Snooping Configuration
- 9 Sflow Configuration
- 10 ZESS Configuration
- 11 Ethernet OAM Configuration
- 12 UDLD Configuration
- 13 LLDP
- 14 L2PT Configuration
- Figures
- Tables
- Glossary

Chapter14
L2PTConfiguration
TableofContents
L2PTOverview................................................................113
CommandConguration...................................................113
L2PTCongurationExample..............................................114
L2PTOverview
IntheVPNmodeofQinQ,iftheVPNusersindifferentlocations
wanttoruntheirlayer2protocol,corenetworkneedtotranspar-
entlytransmittheselayer2protocolpackets.Thesepacketscan’t
betransparentlytransmitted,L2PTisusedtotransparentlytrans-
mitclientnetworklayer2protocolpacketinQinQVPNnetwork
environment.
ThefullnameofL2PTislayer2protocoltunnel,whichisalayer
2protocoltunneltechnology.Theprincipleisthatthereceiving
layer2protocolpacketisencapsulatedbyamulticastaddresson
tunnledportofedgeswitch,andthentheencapsulatedpacketis
broadcastinvlan,thesepacketsarede-encapsulatedontheport
ofremoteswitchthatenablestunneled.Intheend,transparent
transmissionisimplemented.Layer2protocolpacket(STP),on
theportthatdoesn’tenableL2PT ,willnotbetransmittedinthe
providernetwork,whichwillcausethattheclientnetworkforms
severalunconnectedstpdomainbasedonareaborderandthe
clientVPNnetworkcan’trunauniformSTPtopology.L2PTcan
helpusertomeettherequirementbytransparentlytransmitting
STPBPDUpacketinVPN.
CommandConfiguration
ToenableportorcloseL2PTtunnel,usethefollowingcommand.
CommandFunction
ZXR10(config-gei_1/x)#l2protocol-tunneledstp{enable
|disable}
Thisenables/disablesport
tunneled.
Thiscommandisconguredintheinterfacemode.Itisusedto
enableordisableacertainporttunneled.STPeldindicateslayer
CondentialandProprietaryInformationofZTECORPORATION113