ZyXEL Communications ZyWall Installation instructions

ZyWALL Series

Support Note

2013

4/1/2013

Scenario 1 - Restricting Bandwidth Management

Priority for Traffic

1.1 Application Scenario

In an enterprise network, there are various types of traffic. However, most company's

Internet bandwidth is limited. All traffic will contend for it and may result in some

important traffic, for example. Therefore, intelligent bandwidth management for

improved productivity becomes a matter of high concern for network administrators. A

ZyWALL provides Bandwidth Management (BWM) function to effectively manage

bandwidth according to different flexible criteria. Here is the example to limit FTP traffic

by BWM.

1.2 Configuration Guide

Network conditions:

- WAN download bandwidth: 2M

- WAN upload bandwidth: 1M

Goals to achieve:

Restrict FTP download/upload bandwidth to 1000/500 kbps and set priority of FTP

traffic to 4 for all users.

ZyWALL configuration:

Step 1: Configuration > BWM > check “Enable BWM”

Step 2: Configuration > BWM > Select the “Add”

(1) Select the “WAN trunk interface”in incoming and outgoing interface

(2) And service object select the “FTP”.

(3) Limit the inbound 1000Kbps and Outbound 500Kbps and the all of the

priority is 4.

Scenario 2 - Assign IPv6 to your LAN to access

remote IPv6 network

2.1 Application Scenario

Nowadays, more and more Internet service providers provide IPv6 environment. With

IPv6 feature enabled on ZyWALL, it can assign an IPv6 to clients under it and pass IPv6

traffic through IPv4 environment to access remote IPv6 network.

2.2 6to4 IP Translate Introduction

Network conditions:

ZyWALL:

WAN1: 59.124.163.155(Static)

Goal to achieve:

A ZyWALL will assign IPv6 IP address to the clients behind it, and the clients can access

remote IPv6 network by using the ZyWALL 6to4 tunnel.

ZyWALL Configuration:

Step 1: Configuration > System > IPv6 > Click Enable IPv6

Step 2: Setting the static IP on WAN1

Step 3: Setting IPv6 IP address on LAN1

(1) Go to Configuration > Interface > Ethernet > double click LAN1 interface in IPv6

configuration.

(2) Convert WAN1 IP address to hexadecimal

Check Enable Stateless Address Auto-configuration (SLAAC) box and enter

2002:3b7c:a39b::/64 in the prefix table.

(3) Check IPv6 Router Advertisement Setting box and add the prefix in the Advertised

Prefix Table.

Step 4: Enable 6 to 4 tunnel.

(1) Go to Configuration > Interface > Tunnel > Click Add button

(2) Select the 6to4 in that Tunnel Mode

(3) Check the Prefix in the 6tp4 tunnel Parameter

(4) Select the WAN1 interface as the gateway in the Gateway Setting

After these configuration steps, connect your computer to the device and check that

your computer received an IPv6 IP address from tunnel.

Scenario 3 –Dialing up L2TP VPN connection to

ZyWALL by using iOS/Android mobile device

3.1 Application Scenario

Smart phone become increasingly popular with consumers. Though it brings us much

more convenience, but also brings security concerns. A ZyWALL is compatible with

iOS/Android mobile devices to establish L2TP VPN connection, provide secure and

private mobile data transferring no matter if your mobile devices is behind NAT. In the

following diagram, outside employees need to visit an internal website in Intranet, they

can just dial up L2TP VPN to ZyWALL and access needed internal resource.

3.2 Configuration Guide

Network conditions:

ZyWALL:

-WAN1 IP: 59.124.163.150

-Local subnet: 192.168.1.0/24

-L2TP pool:192.168.100.0/24

-Intranet website: http://info.zyxel.com

iOS/Android mobile device:

-IP: 116.59.252.188 (3G mobile network)

-IP: 10.59.3.103 (Behind NAT device)

IPSec VPN conditions:

Phase 1:

-Authentication: 12345678

-Local/Peer IP: WAN1/0.0.0.0

-Negotiation: Main mode

-Encryption algorithm: 3DES/3DES/DES

-Authentication algorithm:

SHA1/MD5/SHA1

-Key group: DH1

Phase 2:

-Encapsulation Mode: Transport mode

-Active protocol: ESP

-Encryption algorithm: 3DES/3DES/DES

-Authentication algorithm:

SHA1/MD5/SHA1

-Perfect Forward Secrecy: none

Goals to achieve:

Build up an L2TP over IPSec VPN tunnel for mobile users to access Intranet website.

ZyWALL configuration

Step 1: Click Configuration > VPN > IPSec VPN > VPN Gateway to visit VPN gateway

configuration screen

Step 2: Click the “Add” button to add a VPN gateway rule.

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