
4
Cisco VPN 3000 Series Concentrators Interoperability Profile
Configuring the Gateway A VPN Concentrator
This table shows current IP addresses.
Interface IP Address/Subnet Mask MAC Address
---------------------------------------------------------------
| Ethernet 1 - Private | 0.0.0.0/0.0.0.0 |
| Ethernet 2 - Public | 0.0.0.0/0.0.0.0 |
| Ethernet 3 - External | 0.0.0.0/0.0.0.0 |
---------------------------------------------------------------
** An address is required for the private interface. **
> Enter IP Address
Quick Ethernet 1 -> [ 0.0.0.0 ] _
At the cursor, enter 10.5.6.1, the IP address of the LAN interface for Gateway A.
Step 8 The system initializes its network subsystems, which takes a few seconds. It then prompts you for the
subnet mask for the Ethernet 1 (private) interface. The entry in brackets is the standard subnet mask for
the IP address you just entered. For example, an IP address of 10.10.4.6 is a Class A address, and the
standard subnet mask is 255.0.0.0.
> Enter Subnet Mask
Quick Ethernet 1 -> [ 255.0.0.0 ] _
At the cursor, enter 255.255.255.0, the subnet mask for this private network addressing scheme.
Step 9 The system prompts you with a menu to set the speed for the Ethernet 1 interface. You can let the VPN
Concentrator automatically detect and set the appropriate speed (the default), or you can set fixed speeds
of 10 or 100 Mbps (for 10BASE-T or 100BASE-T networks). If you accept the default, be sure that the
port on the active network device (hub, switch, or router) to which you connect this interface is also set
to automatically negotiate the speed. Otherwise, select the appropriate fixed speed.
1) Ethernet Speed 10 Mbps
2) Ethernet Speed 100 Mbps
3) Ethernet Speed 10/100 Mbps Auto Detect
Quick -> [ 3 ] _
To accept the default (3), press Enter.
Step 10 The system prompts you with a menu to set the transmission mode for the Ethernet 1 interface. You can
let the VPN Concentrator automatically detect and set the appropriate mode (the default), or you can
configure the interface for full duplex (transmission in both directions at the same time) or half duplex
(transmission in only one direction at a time). If you accept the default, be sure that the port on the active
network device (hub, switch, or router) to which you connect this interface is also set to automatically
negotiate the transmission mode. Otherwise, select the appropriate fixed mode.
1) Enter Duplex - Half/Full/Auto
2) Enter Duplex - Full Duplex
3) Enter Duplex - Half Duplex
Quick -> [ 1 ] _
To accept the default (1), press Enter.
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