Appendix A Troubleshooting and System Errors

Settings on the VPN Concentrator

Table A-1 Analyzing System Errors (continued)

Problem or Symptom

Possible Solution

 

 

VPN LED is solid amber (tunnel failed

1. Make sure the IPSec parameters are properly

to establish to central-site VPN

 

configured. Verify:

Concentrator).

 

Public IP Address of the IKE peer (central-site

 

 

 

 

VPN Concentrator) is correct.

 

 

Group name and password are correct.

 

 

User name and password are correct.

 

2.

Make sure the group and user names and passwords

 

 

match those set for the VPN 3002 on the central-site

 

 

VPN Concentrator.

 

3.

After you make any changes, navigate to Monitoring

 

 

> System Status and click on Connect Now.

 

4.

Study the event log files. To capture more events,

 

 

and to interpret events, see Chapter 9, “Events,” in

 

 

the VPN 3002 Hardware Client User Reference.

 

 

My PC cannot communicate with the

1. Verify that the VPN Concentrator to which this VPN

remote network.

 

3002 connects is running version 3.0 software.

 

2.

Navigate to Monitoring > System Status and click

 

 

on Connect Now.

 

 

 

Connect Now worked.

 

 

 

 

LED(s) for the private interface/switch

Make sure that a LAN cable is properly attached to the

port are off.

private interface of the VPN 3002 and the PC.

 

 

LED(s) for the private interface/switch

1. Is this PC configured as a DHCP client? If so, verify

port are on.

 

that the DHCP server on the VPN 3002 is enabled.

 

2.

With any method of address assignment, verify that

 

 

the PC has an IP address and subnet mask.

 

 

 

Attempting to ping the default

1.

Make sure your PC has an appropriate IP address,

gateway (Administration > Ping)

 

reachable on this network.

yields no response.

2.

Contact your network administrator.

 

 

 

 

Settings on the VPN Concentrator

If your VPN 3002 experiences connectivity problems, check the configuration of the VPN Concentrator.

 

 

 

Step 1

Configure the connection as a Client, not LAN-to-LAN.

 

 

 

Step 2

Assign this VPN 3002 to a group. Configure group and user names and passwords. These must match

 

 

 

 

the group and user names and passwords that you set on the VPN 3002. Refer to Chapter 14, “User

 

 

 

 

Management,” in the VPN 3000 Series Concentrator Reference Volume I.

 

 

 

Step 3

If the VPN 3002 uses PAT mode, enable a method of address assignment for the VPN 3002: DHCP,

 

 

 

 

address pools, per user, or client specified. Refer to Chapter 6, “Address Management,” in the VPN 3000

 

 

 

 

Series Concentrator Reference Volume I.

 

 

 

VPN 3002 Hardware Client Reference

 

 

 

 

A-4

 

 

OL-1893-01

 

 

 

 

 

 

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Cisco Systems VPN 3002 manual Settings on the VPN Concentrator, On Connect Now, Connect Now worked

VPN 3002 specifications

Cisco Systems VPN 3002 is a versatile hardware device designed to provide secure remote access to corporate networks. As part of Cisco's family of VPN concentrators, the VPN 3002 is aimed at small to medium-sized businesses seeking to establish secure communications over the Internet.

One of the key features of the VPN 3002 is its ability to support a wide range of VPN protocols, including IPsec and L2TP. This flexibility allows businesses to tailor their security solutions to meet specific needs, thereby ensuring robust encryption and integrity for data in transit. The device also supports innovative technologies such as Clientless SSL VPN, enabling users to access corporate resources without the need for a full client installation.

Another vital characteristic of the VPN 3002 is its scalability. It can support multiple users while maintaining optimal performance due to its integrated firewall capabilities. This functionality allows organizations to manage user traffic effectively, ensuring that both security and efficiency are maintained during peak access periods.

Additionally, the VPN 3002 boasts advanced features like NAT traversal, which helps ensure that VPN connections can penetrate network address translation firewalls and other similar devices, thereby enhancing connectivity. It also features strong authentication mechanisms, including support for RADIUS and TACACS+, providing businesses with the ability to implement stringent user verification processes.

The device is designed with ease of use in mind. The setup process is relatively simple, and Cisco's intuitive web-based management interface makes it easy to configure and monitor VPN connections. Furthermore, the VPN 3002 comes with a variety of integrated tools for logging and reporting, allowing administrators to maintain comprehensive oversight of network activities.

In terms of hardware, the VPN 3002 is equipped with multiple Ethernet ports for network connectivity and can support a range of configurations to meet diverse organizational requirements. Its robust design ensures longevity and dependable operation, making it an ideal solution for businesses seeking reliable remote access capabilities.

In conclusion, Cisco Systems VPN 3002 provides a comprehensive solution for organizations looking to secure their remote connections. With its support for various protocols, scalable architecture, advanced security features, and ease of use, it stands out as a reliable choice for enhancing corporate network security.