Allied Telesis AR440S manual For site-to-site VPNs, apply the SQoS policy to the tunnels

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Headquarters

4. For site-to-site VPNs, apply the SQoS policy to the tunnels

Apply the policy to the VPN between headquarters and branch office 1.

set sqos interface=ipsec-branch1 tunnelpolicy=1

Apply the policy to the VPN between headquarters and branch office 2.

set sqos interface=ipsec-branch2 tunnelpolicy=1

5. For roaming clients, use triggers to apply SQoS to dynamic interfaces

This example creates four triggers, which allows for up to four simultaneous roaming client VPNs. You can scale this to the correct number for your network.

Create the following scripts as text files on the router.

script name

script contents

ppp0up.scp

set sqos int=ppp0 outpolicy=1

 

 

ppp1up.scp

set sqos int=ppp1 outpolicy=1

 

 

 

ppp2up.scp

set

sqos int=ppp2 outpolicy=1

 

 

 

ppp3up.scp

set

sqos int=ppp3 outpolicy=1

 

 

 

Create triggers to run the appropriate script when the interface comes up.

enable trigger

create trigger=1 interface=ppp0 event=up cp=ipcp script=ppp0up.scp create trigger=2 interface=ppp0 event=up cp=ipcp script=ppp1up.scp create trigger=3 interface=ppp0 event=up cp=ipcp script=ppp2up.scp create trigger=4 interface=ppp0 event=up cp=ipcp script=ppp3up.scp

6. For roaming clients, set L2TP TOS reflection

You need TOS (type of service) reflection so that DSCP marked VoIP packets can be classified for prioritisation at the PPP level. Unless you already turned on TOS reflection when you configured L2TP in step 5 on page 10, delete your existing L2TP entry and add it again.

delete l2tp ip=1.1.1.1-255.255.255.254 ppptemplate=1

add l2tp ip=1.1.1.1-255.255.255.254 ppptemplate=1 tos=on

7. Save your configuration

create conf=<your-file.cfg>

set config=<your-file.cfg>

Page 32 AlliedWare™ OS How To Note: VPNs for Corporate Networks

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Contents Contents IntroductionRelated How To Notes About IPsec modes tunnel and transport L2TPBackground NAT-T and policies Internet5 AlliedWare OS How To Note VPNs for Corporate Networks How to configure VPNs in typical corporate networks VlanBefore you start ATM DslamHow to configure the headquarters VPN access concentrator Configure general system and user settingsConfigure IP for internet access Configure remote management access, if desiredConfigure dynamic PPP over L2TP connections Capture status information remotely, if desiredCheck feature licences Enable Isakmp Configure the firewall’s basic settings Configure the firewall’s access rules Save your configuration How to configure the AR440S router at branch office Configure IP Configure Adsl for internet accessConfigure PPP for PPPoA 18 AlliedWare OS How To Note VPNs for Corporate Networks Create ip pool=roaming ip=192.168.144.1-192.168.144.50 Create ipsec pol=internet int=ppp0 ac=permit Add firewall policy=branch1 int=vlan1 type=private 22 AlliedWare OS How To Note VPNs for Corporate Networks 23 AlliedWare OS How To Note VPNs for Corporate Networks Set system name=Branch2 Configure PPP for PPPoE 26 AlliedWare OS How To Note VPNs for Corporate Networks Configure the VPNs for connecting to the headquarters office Enable isakmp 29 AlliedWare OS How To Note VPNs for Corporate Networks How to make voice traffic high priority Create classifiers Reduce the MTUFor site-to-site VPNs, apply the SQoS policy to the tunnels For roaming clients, set L2TP TOS reflectionSet int=ppp0 mtu=256 34 AlliedWare OS How To Note VPNs for Corporate Networks Apply the SQoS policy to the tunnel How to test your VPN solution LANs areConfiguration scripts for headquarters and branch offices Before you use these scriptsHeadquarters VPN access concentrators configuration # Dhcp configuration # SSH configuration# Log configuration # Ipsec configuration# Isakmp Configuration # Firewall configuration # INT configuration if prioritising VoIP # Classifier configuration if prioritising VoIP# Software QoS configuration if prioritising VoIP # Trigger configuration if prioritising VoIP# PPP configuration for PPPoA # ATM configuration# Adsl configuration 44 AlliedWare OS How To Note VPNs for Corporate Networks 45 AlliedWare OS How To Note VPNs for Corporate Networks 46 AlliedWare OS How To Note VPNs for Corporate Networks Set int=ppp0 mtu=256 Set int=ppp0 frag=yes # ETH configuration # PPP configuration for PPPoE49 AlliedWare OS How To Note VPNs for Corporate Networks 50 AlliedWare OS How To Note VPNs for Corporate Networks 51 AlliedWare OS How To Note VPNs for Corporate Networks # PPP configuration ISPs PPPoE access concentrator configuration# PPP templates configuration Hotels NAT gateway firewall configuration # Firewall configuration enable firewall
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AR440S specifications

Allied Telesis offers a range of advanced routers designed to meet the connectivity and operational needs of modern enterprises. Among its extensive lineup, the AR450S, AR441S, AR415S, AR442S, and AR440S models stand out for their robust features and technologies, making them ideal solutions for various networking environments.

The Allied Telesis AR450S is a high-performance router tailored for service providers and large enterprises. It supports advanced routing protocols, including IPv4 and IPv6, ensuring compatibility with both legacy and modern networks. The AR450S boasts substantial throughput capabilities, making it suitable for bandwidth-intensive applications. Its versatile WAN options, including Ethernet and cellular connectivity, allow seamless integration into diverse network architectures.

Next in the lineup is the AR441S, which focuses on providing enhanced security and reliability. With built-in firewall capabilities and VPN support, this model ensures secure communication over the internet. The AR441S also features numerous Ethernet ports for flexible connectivity, enabling organizations to scale their networks as needed. Its user-friendly interface facilitates straightforward configuration and management.

The AR415S is designed for branch offices and small to medium-sized enterprises. This router offers a balance of performance and affordability, equipped with essential features like Quality of Service (QoS) and traffic shaping. The AR415S supports multiple WAN connections, which helps in maintaining reliable internet access by auto-failing to backup connections when necessary.

The AR442S incorporates advanced networking technologies, including dynamic routing protocols and deep packet inspection. This model enhances performance by optimizing traffic flow and improving bandwidth utilization. Its support for VoIP and other multimedia applications makes it an excellent choice for organizations seeking to maximize their communication capabilities.

Lastly, the AR440S is engineered for high availability and redundancy. It includes dual power supplies and hot-swappable components, ensuring that network services remain uninterrupted during maintenance. The AR440S is particularly valuable in mission-critical environments where downtime can lead to significant business disruption.

In summary, the Allied Telesis AR series routers—AR450S, AR441S, AR415S, AR442S, and AR440S—offer a rich set of features tailored to various operational needs. With their advanced routing capabilities, security features, and reliable performance, these routers represent the cutting edge of networking technology for businesses looking to enhance their connectivity and operational efficiency.
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