l IP address of VLANIF interfaces, as shown in Figure 2-6
l Procrss id and area id of OSPF
l Source address and destination address of the GRE tunnel, and IP addresses of tunnel
interfaces
Procedure
Step 1 Assign the IP address to each interface.
<Quidway> system-view
[Quidway] sysname SwitchA
[SwitchA] vlan 10
[SwitchA-vlan10] quit
[SwitchA] vlan 30
[SwitchA-vlan30] quit
[SwitchA] interface gigabitethernet 1/0/0
[SwitchA-GigabitEthernet1/0/0] port hybrid pvid vlan 10
[SwitchA-GigabitEthernet1/0/0] port hybrid untagged vlan 10
[SwitchA-GigabitEthernet1/0/0] quit
[SwitchA] interface gigabitethernet 2/0/0
[SwitchA-GigabitEthernet2/0/0] port hybrid pvid vlan 30
[SwitchA-GigabitEthernet2/0/0] port hybrid untagged vlan 30
[SwitchA-GigabitEthernet2/0/0] quit
[SwitchA] interface vlanif 10
[SwitchA-Vlanif10] ip address 20.1.1.1 24
[SwitchA-Vlanif10] quit
[SwitchA] interface vlanif 30
[SwitchA-Vlanif30] ip address 10.1.1.2 24
[SwitchA-Vlanif30] quit
The configurations of Switch B and Switch C are similar to the configuration of Switch A, and
are not mentioned here.
Step 2 Configure IGP on the VPN backbone network.
# Configure Switch A.
[SwitchA] ospf 1
[SwitchA-ospf-1] area 0
[SwitchA-ospf-1-area-0.0.0.0] network 20.1.1.0 0.0.0.255
[SwitchA-ospf-1-area-0.0.0.0] quit
[SwitchA-ospf-1] quit
The configurations of Switch B and Switch C are similar to the configuration of Switch A, and
are not mentioned here.
# Run the display ip routing-table command on Switch A and Switch C. You can find that they
learn the OSPF routes destined for the network segment of the peer.
# Take Switch A for example. The information is displayed as follows:
[SwitchA] display ip routing-table
Route Flags: R - relied, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 Direct 0 0 D 10.1.1.2 Vlanif30
10.1.1.2/32 Direct 0 0 D 127.0.0.1 InLoopBack0
10.1.1.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
20.1.1.0/24 Direct 0 0 D 20.1.1.1 Vlanif10
20.1.1.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
20.1.1.2/32 Direct 0 0 D 20.1.1.2 Vlanif10
20.1.1.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
30.1.1.0/24 OSPF 10 2 D 20.1.1.2 Vlanif10
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 2 GRE Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
76
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