Technical information

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IPSec VPN Acceleration Services Module Installation and Configuration Note
78-14459-03 Rev C0
Configuring a VPN Using the VPN Module
Figure 12 Trunk Port Configuration Example
To configure a trunk port connection to the WAN router, follow these steps:
Step 1 Create an IKE policy, if necessary.
Step 2 Create a preshared key entry, if necessary.
Step 3 Create an ACL.
Step 4 Create a crypto map.
Step 5 From privileged EXEC mode, add an inside interface VLAN (VLAN 171) and an outside trunk port
VLAN (VLAN 271) to the VLAN database as follows:
a. Router# config t
Enter configuration commands, one per line. End with CNTL/Z.
b. Router(config)# vlan 171
Router(config-vlan)# name inside_interface_vlan
Router(config-vlan)# exit
Router(config)#
c. Router(config)# vlan 271
Router(config-vlan)# name outside_trunk_port_vlan
Router(config-vlan)# exit
Router(config)#
79257
WAN router
Interface VLAN 171
(192.168.100.254)
Port VLAN 271
Gigabit Ethernet 1/2
WAN interface trunk port
LAN interface
Gigabit Ethernet 1/1