1.8.2 Debugging the VPN Tunnel.................................................................................................................1-25
1.9 Configuration Examples................................................................................................................................1-25
1.9.1 Example for Configuring Tunnel Policies for the L3VPN..................................................................1-25
1.9.2 Example for Binding a Tunnel to the Martini L2VPN.........................................................................1-39
2 GRE Configuration....................................................................................................................2-1
2.1 Introduction to the GRE Protocol....................................................................................................................2-2
2.2 GRE Features Supported by the S9300...........................................................................................................2-2
2.3 Configuring a GRE Tunnel.............................................................................................................................2-3
2.3.1 Establishing the Configuration Task......................................................................................................2-4
2.3.2 Configuring the Tunnel as a GRE Tunnel..............................................................................................2-4
2.3.3 Configuring Routes................................................................................................................................2-5
2.3.4 Checking the Configuration...................................................................................................................2-6
2.4 Configuring a GRE Tunnel Between CE and PE............................................................................................2-7
2.4.1 Establishing the Configuration Task......................................................................................................2-7
2.4.2 Configuring the GRE Tunnel Interface on CE.......................................................................................2-8
2.4.3 Configuring the GRE Tunnel Interface on PE.......................................................................................2-9
2.4.4 Binding the Tunnel with VPN to Which CE belongs on PE................................................................2-10
2.4.5 Checking the Configuration.................................................................................................................2-10
2.5 Configuring the Keepalive Function.............................................................................................................2-11
2.5.1 Establishing the Configuration Task....................................................................................................2-11
2.5.2 Enabling the Keep-alive Function........................................................................................................2-12
2.5.3 Checking the Configuration.................................................................................................................2-13
2.6 Maintaining the GRE Tunnel........................................................................................................................2-13
2.6.1 Resetting the Statistics of a Tunnel Interface.......................................................................................2-14
2.6.2 Monitoring the Operating Status of GRE.............................................................................................2-14
2.6.3 Debugging GRE...................................................................................................................................2-14
2.7 Configuration Examples................................................................................................................................2-15
2.7.1 Example for Configuring Static Routes on the GRE Tunnel...............................................................2-15
2.7.2 Example for Configuring the Dynamic Routing Protocol on the GRE Tunnel...................................2-20
2.7.3 Example for Configuring the CE to Access a VPN Through a GRE Tunnel of the Public Network
.......................................................................................................................................................................2-24
2.7.4 Example for Configuring the Keepalive Function for GRE.................................................................2-32
3 BGP/MPLS IP VPN Configuration.........................................................................................3-1
3.1 Introduction to BGP/MPLS IP VPN...............................................................................................................3-3
3.2 BGP/MPLS IP VPN Supported by the S9300................................................................................................3-3
3.3 Configuring a VPN Instance...........................................................................................................................3-5
3.3.1 Establishing the Configuration Task......................................................................................................3-5
3.3.2 Creating a VPN Instance........................................................................................................................3-6
3.3.3 Configuring the Attributes of a VPN Instance.......................................................................................3-7
3.3.4 (Optional) Applying a Tunnel Policy to a VPN Instance.......................................................................3-8
3.3.5 (Optional) Allocating MPLS Labels Based on VPN Instances..............................................................3-8
3.3.6 Checking the Configuration...................................................................................................................3-9
Contents
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN
ii Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 03 (2009-08-20)
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