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Black Box LR11xx Series Router Configurations Guide
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14.5 IPSec Remote Access Mode Configuration Group
Method
The following example demonstrates how to configure a Black Box router to be an IPSec VPN server using
mode-configuration method. The client could be any standard mode config enabled IPSec VPN client.
In this example, the client needs to access the corporate private network 10.0.1.0/24 through the VPN tunnel. The server has a
pool of IP addresses from 20.1.1.100 through 20.1.1.150 to be allocated for mode config enabled VPN clients. The assigned IP
address is used by the VPN client as the source address in the inner IP header. The outer IP header will carry the dynamic IP
address assigned by the Internet Service Provider as the source address. The security requirements are as follows:
3DES with SHA1, Mode Config
IPSec ESP tunnel with AES256 and HMAC-SHA1
Figure 29 Configuration Mode Remote Access Configuration
To configure the VPN gateway:
Blackbox>configure term
Blackbox/configure>interface ethernet 1
Blackbox/configure/interface/ethernet 1>ip address 10.0.1.1 24
Blackbox/configure/interface/ethernet 1>crypto corp
Blackbox/configure> interface bundle wan
Blackbox/configure/interface/bundle wan>link t1 1-2
Blackbox/configure/interface/bundle wan>ip address 172.16.0.1 32
1
Blackbox/configure/interface/bundle wan>crypto internet
Tasman #1
VPN Server
172.16.0.1
Mode Config IP
Pool:
10.0.1.100-
10.0.1.150
Corporate
Headquarters
10.0.1.0/24
I
P
S
E
C
T
U
N
N
E
L
VPN Client 1
Local Outer Address:
Dynamic
Local Inner Assigned
Address: 10.0.1.100/32
Local ID:
david@tasmannetworks.
com
I
P
S
E
C
T
U
N
N
E
L
VPN Client 2
Local Outer Address:
Dynamic
Local Inner Assigned
Address: 10.0.1.101/32
Local ID:
mike@tasmannetworks.
com
david@blackbox.com
mike@blackbox.com
Black box 1