Cisco 1812W - Integrated Services Router Wireless Configuration Manual page 95

Chapter 7 Configuring VPNs Using an IPSec Tunnel and Generic Routing Encapsulation
Command or Action
Step 3
tunnel source interface-type number
Example:
Router(config-if)# tunnel source
fastethernet 2
Router(config-if)#
Step 4 tunnel destination default-gateway-ip-address
Example:
Router(config-if)# tunnel destination
192.168.101.1
Router(config-if)#
Step 5 crypto map map-name
Example:
Router(config-if)# crypto map static-map
Router(config-if)#
Step 6
exit
Example:
Router(config-if)# exit
Router(config)#
Step 7
ip access-list {standard | extended}
access-list-name
Example:
Router(config)# ip access-list extended
vpnstatic1
Router(config-acl)#
Step 8 permit protocol source source-wildcard
destination destination-wildcard
Example:
Router(config-acl)# permit gre host
192.168.100.1 host 192.168.101.1
Router(config-acl)#
Step 9 exit
Example:
Router(config-acl)# exit
Router(config)#
OL-6426-02
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
Purpose
Specifies the source endpoint of the router for the
GRE tunnel.
Specifies the destination endpoint of the router for
the GRE tunnel.
Assigns a crypto map to the tunnel.
Dynamic routing or static routes to the
Note
tunnel interface must be configured to
establish connectivity between the sites.
See the Cisco IOS Security Configuration
Guide for details.
Exits interface configuration mode, and returns to
global configuration mode.
Enters ACL configuration mode for the named
ACL that is used by the crypto map.
Specifies that only GRE traffic is permitted on the
outbound interface.
Returns to global configuration mode.
Configure a GRE Tunnel
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