Cisco VPN 3000 User's Guide download pdf (Page 139)

100

101

Configuration | System | Tunneling Protocols | IPSec LAN-to-LAN | Add or Modify

7-15

VPN 3000 Concentrator Series User Guide

Note: An IP address is used with a wildcard mask to provide the desired granularity. A wildcard mask is the

reverse of a subnet mask; i.e., the wildcard mask has 1s in bit positions to ignore, 0s in bit positions to

match. For example:

0.0.0.0/255.255.255.255 = any address

10.10.1.35/0.0.0.0 = only 10.10.1.35

10.10.1.35/0.0.0.255

= all 10.10.1.nnn addresses

IP Address

Enter the IP address of the private local network on this VPN Concentrator. Use dotted decimal notation;

e.g.,

10.10.0.0.

Wildcard Mask

Enter the wildcard mask for the private local network. Use dotted decimal notation; e.g., 0.0.255.255.

The system supplies a default wildcard mask appropriate to the IP address class.

Remote Network

These entries identify the private network—on the remote peer VPN Concentrator—whose hosts can use

the LAN-to-LAN connection. These entries must match those in the

Local Network section on the peer

VPN Concentrator.

Network List

Click the drop-down menu button and select the configured network list that specifies the remote

network addresses. A network list is a list of network addresses that are treated as a single object. See

the

Configuration | Policy Management | Traffic Management | Network Lists screens. Otherwise, you can

select:

Use IP Address/Wildcard-mask below, which lets you enter a network address.

Create new Network List (on Add screen only), which lets you create a network list of remote network

addresses. The Manager automatically opens the

Configuration | System | Tunneling Protocols | IPSec

LAN-to-LAN | Add | Remote Network List

screen when you click Add; see description below.

If you select a configured network list, the Manager ignores entries in the

IP Address and Wildcard-mask

fields.

See the wildcard mask note above.

IP Address

Enter the IP address of the private network on the remote peer VPN Concentrator. Use dotted decimal

notation; e.g.

11.0.0.0.

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