Huawei quidway s7700 - Page 6

1.8.2 Debugging a Tunnel................................................................................................................................29
1.9 Configuration Examples...................................................................................................................................29
1.9.1 Example for Configuring Tunnel Policies for the L3VPN......................................................................29
1.9.2 Example for Binding a Tunnel to the Martini L2VPN............................................................................42
2 GRE Configuration.....................................................................................................................57
2.1 Introduction to GRE.........................................................................................................................................59
2.2 GRE Features Supported by the S7700............................................................................................................59
2.3 Configuring GRE..............................................................................................................................................61
2.3.1 Establishing the Configuration Task.......................................................................................................61
2.3.2 Configuring a Tunnel Interface...............................................................................................................61
2.3.3 Configuring Routes for the Tunnel..........................................................................................................63
2.3.4 Checking the Configuration.....................................................................................................................64
2.4 Configuring a GRE Tunnel Between CE and PE.............................................................................................65
2.4.1 Establishing the Configuration Task.......................................................................................................65
2.4.2 Configuring the GRE Tunnel Interface on CE........................................................................................66
2.4.3 Configuring the GRE Tunnel Interface on PE.........................................................................................67
2.4.4 Binding the GRE Tunnel with the VPN to Which CE belongs on PE....................................................68
2.4.5 Checking the Configuration.....................................................................................................................69
2.5 Configuring the Keepalive Function................................................................................................................70
2.5.1 Establishing the Configuration Task.......................................................................................................70
2.5.2 Enabling the Keepalive Function............................................................................................................71
2.5.3 Checking the Configuration.....................................................................................................................72
2.6 Maintaining GRE..............................................................................................................................................73
2.6.1 Resetting the Statistics of a Tunnel Interface..........................................................................................73
2.6.2 Monitoring the Running Status of GRE..................................................................................................73
2.6.3 Debugging GRE......................................................................................................................................74
2.7 Configuration Examples...................................................................................................................................74
2.7.1 Example for Configuring Static Routes on the GRE Tunnel..................................................................74
2.7.2 Example for Configuring the Dynamic Routing Protocol on the GRE Tunnel.......................................79
2.7.3 Example for Configuring the CE to Access a VPN Through a GRE Tunnel of the Public Network
..........................................................................................................................................................................84
2.7.4 Example for Configuring the Keepalive Function for GRE....................................................................92
3 BGP MPLS IP VPN Configuration..........................................................................................95
3.1 Introduction to BGP/MPLS IP VPN................................................................................................................97
3.2 BGP/MPLS IP VPN Features Supported by the S7700...................................................................................97
3.3 Configuring a VPN Instance.............................................................................................................................99
3.3.1 Establishing the Configuration Task.....................................................................................................100
3.3.2 Creating a VPN Instance.......................................................................................................................100
3.3.3 Configuring Attributes for the VPN Instance .......................................................................................101
3.3.4 (Optional) Applying a Tunnel Policy to the VPN Instance...................................................................103
3.3.5 (Optional) Configuring MPLS Label Allocation Based on the VPN Instance......................................103
3.3.6 Checking the Configuration...................................................................................................................104
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN Contents
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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