Cisco IOS Wide-Area Networking Configuration Guide - Free Books

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• Additional References, page 109• Feature Information for Layer 2 Tunnel Protocol Version 3, page 112• Glossary, page 116Prerequisites for Layer 2 Tunnel Protocol Version 3• Before you configure an xconnect attachment circuit for a customer edge (CE) device (see thesection “Configuring the Xconnect Attachment Circuit”), the CEF feature must be enabled. Toenable CEF on an interface, use the ip cef or ip cef distributed command.• You must configure a loopback interface on the router for originating and terminating theL2TPv3 traffic. The loopback interface must have an IP address that is reachable from the remoteprovider edge (PE) device at the other end of an L2TPv3 control channel.• To enable Simple Network Management Protocol (SNMP) notifications of L2TP session up anddown events, enter the snmp-server enable traps l2tun session command before configuringL2TPv3.Restrictions for Layer 2 Tunnel Protocol Version 3The following subsections contain information on restrictions:• Supported Port Adapters for the Cisco 7200 Series and Cisco 7500 Series Routers• General L2TPv3 Restrictions• Cisco 7200 Series-Specific Restrictions• Cisco 7301 Specific Restrictions• Cisco 7304 Specific Restrictions• Cisco 7500 Series-Specific Restrictions• Supported Shared Port Adapters for the Cisco 7600 Series Router• Cisco 7600 Series-Specific Restrictions• Cisco 10720-Specific Restrictions• Cisco 12000 Series-Specific Restrictions• Frame Relay-Specific Restrictions• VLAN-Specific Restrictions• ATM VP Mode Single Cell Relay over L2TPv3 Restrictions• ATM AAL5 SDU over L2TPv3 and Single Cell Relay VC Mode over L2TPv3 Restrictions• ATM Port Mode Cell Relay over L2TPv3 Restrictions• ATM Cell Packing over L2TPv3 Restrictions• Protocol Demultiplexing for L2TPv3 Restrictions• L2TPv3 Control Message Hashing Restrictions• L2TPv3 Digest Secret Graceful Switchover Restrictions• Quality of Service Restrictions in L2TPv3 Tunneling2
Supported Port Adapters for the Cisco 7200 Series and Cisco 7500Series RoutersThe following port adapters support L2TPv3 on the Cisco 7200 series and Cisco 7500 series routers:• Single-port Fast Ethernet 100BASE-TX• Single-port Fast Ethernet 100BASE-FX• Dual-port Fast Ethernet 100BASE-TX• Dual-port Fast Ethernet 100BASE-FX• Gigabit Ethernet port adapter• 12-port Ethernet/2-port FE adapter• 4-port synchronous serial port adapter• Enhanced 4-port synchronous serial port adapter• 8-port synchronous serial port adapter• Single-port HSSI adapter• Dual-port HSSI adapter• Single-port enhanced OC-3 ATM port adapter• 8-port multichannel E1 G.703/G.704 120-ohm interfaces• 2-port multichannel E1 G.703/G.704 120-ohm interfaces• 8-port multichannel T1 with integrated data service units (DSUs)• 8-port multichannel T1 with integrated channel service units (CSUs) and DSUs• 4-port multichannel T1 with integrated CSUs and DSUs• 2-port multichannel T1 with integrated CSUs and DSUs• 8-port multichannel T1/E1• 1-port multichannel T3 interface• 1-port multichannel E3 interface• 2-port enhanced multichannel T3 port adapter• Single-port T3 port adapter• Single-port E3 port adapter• 2-port T3 port adapter• 2-port T3 port adapter• Single-port Packet over SONET (PoS), single-mode, long reach• Single-port PoS, single-mode, intermediate reach• Single-port PoS, multimode• Eight-port T1 ATM port adapter with inverse multiplexing over ATM (IMA)• Eight-port E1 ATM port adapter with IMAThe following port adapters support L2TPv3 on the Cisco 7200 series routers only:• 8-port Ethernet adapter• 4-port Ethernet adapter3
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Cisco IOS Wide-Area NetworkingConfi
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Documentation ConventionsAbout Cisc
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Documentation OrganizationAbout Cis
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Additional Resources and Documentat
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Using the CLIUsing the Command-Line
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Saving Changes to a ConfigurationUs
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Additional InformationUsing the Com
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Configuring Frame RelayFeature Hist
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Configuring Frame RelayFrame Relay
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Configuring Frame RelayConfiguring
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Configuring Frame RelayCustomizing
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Adaptive Frame Relay Traffic Shapin
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Frame Relay 64-Bit CountersFeature
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Frame Relay 64-Bit CountersSupporte
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Frame Relay 64-Bit CountersConfigur
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Frame Relay 64-Bit CountersConfigur
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Frame Relay MIB EnhancementsFeature
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• The chapter “Configuring Simp
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Command ReferenceThe following comm
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Feature OverviewFrame Relay Point-M
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Supported Standards, MIBs, and RFCs
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Configuration ExamplesFrame Relay P
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Command ReferenceFrame Relay Point-
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How Frame Relay Queueing and Fragme
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• Cisco 2500 series• Cisco 2600
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Configuring the Shaping Policy Usin
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The following sample output for the
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Frame Relay Queueing, Shaping, and
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Frame Relay PVC Bundles with QoS Su
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Page 229 and 230: Configuring Frame Relay-ATM Interwo
Page 239: Layer 2 Tunnel Protocol Version 3Fi
Page 243 and 244: • In OAM local emulation mode onl
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Page 269 and 270: Benefits of Using L2TPv3L2TPv3 Simp
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Page 279 and 280: Supported L2TPv3 PayloadsL2TPv3 sup
Page 281 and 282: CIR GuaranteesTo provide committed
Page 283 and 284: Table 6Release Support for the ATM
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Step 5Step 6Command or Actionpasswo
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Step 5Step 6Command or Actiondigest
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Step 6Step 7Command or Actionshow l
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For simple L2TPv3 signaling configu
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Step 7Step 8Step 9Step 10Command or
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Step 3Step 4Command or Actioninterf
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Configuring the Xconnect Attachment
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DETAILED STEPSStep 1Step 2Command o
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Configuring VC Mode ATM Cell Packin
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Configuring ATM AAL5 SDU Mode over
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Configuring Protocol Demultiplexing
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Step 3Command or Actioninterface ty
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Step 7Step 8Command or Actionxconne
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DETAILED STEPSStep 1Step 2enableExa
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Configuring a Negotiated L2TPv3 Ses
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Configuring L2TPv3 Control Channel
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Configuring ATM Single Cell Relay V
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encapsulation aal5!interface atm 1/
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Verifying OAM Local Emulation for A
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Configuring QoS for L2TPv3 on the C
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encapsulation frame-relayframe-rela
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Note that the sample output policy
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Configuring a QoS Policy for Commit
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!interface Serial0/0.1/1:11encapsul
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Technical AssistanceDescriptionThe
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Table 912.0(24)S112.0(27)S12.0(28)S
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Table 9Feature Information for Laye
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MTU—maximum transmission unit. Ma
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Configuring SMDSSMDS Hardware Requi
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Configuring SMDSEnabling SMDS on th
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Configuring SMDSEnabling SMDS on th
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Configuring SMDSCustomizing Your SM
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Configuring SMDSCustomizing Your SM
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Configuring SMDSSMDS Configuration
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Configuring X.25 and LAPB
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LAPB OverviewConfiguring X.25 and L
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LAPB Configuration Task ListConfigu
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Configuring Additional X.25 Interfa
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Configuring X.25 RoutingConfiguring
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Configuring X.25 RoutingConfiguring
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Configuring Additional X.25 Routing
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Configuring Additional X.25 Routing
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Configuring DNS-Based X.25 RoutingC
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Configuring X.25 over Frame Relay (
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Configuring DDN or BFE X.25Configur
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Feature OverviewTerminal Line Secur
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successfully completed, the TCP con
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X.121—ITU-T standard describing a
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ContentsX.25 Suppression of Securit
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How to Suppress the X.25 Security S
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How to Configure X.25 Call Confirm
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Command ReferenceX.25 Call Confirm
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Displaying the Contents of X.25 Pac
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How to Specify the X.25 VersionX.25
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Command ReferenceX.25 Version Confi
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ContentsX.25 Station Type for ISDN
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How to Configure X.25 Encapsulation
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Command ReferenceX.25 Station Type
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X.25 Facility HandlingThis appendix
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X.25 Facility HandlingX.25 Facility
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