Allied Telesis AlliedWare AR440S User Manual
Allied Telesis Hardware
C613-16049-00 REV E
www.alliedtelesis.com
AlliedWare
TM
OS
How To |
Introduction
In this How To Note’s example, a headquarters office has VPNs to two branch offices and a
number of roaming VPN clients. The example illustrates the following possible components
that you could use in a corporate network:
z
VPNs between a headquarters office and roaming VPN clients, such as travellers’ laptops
z
VPNs between a branch office and roaming VPN clients, such as travellers’ laptops
z
a VPN between a headquarters office and a branch office with a fixed IP address, when the
branch office has an ADSL PPPoA connection to the internet
z
a VPN between a headquarters office and a branch office with a dynamically assigned IP
address, when the branch office has an ADSL PPPoEoA connection to the internet
z
using software QoS to prioritise voice (VoIP) traffic over the VPNs
Select the solution components that are relevant for your network requirements and
internet connection type.
Contents
Configure VPNs in a Corporate Network, with
Optional Prioritisation of VoIP
Document Outline
- Which products and software versions does this information apply to?
- Related How To Notes
- About IPsec modes: tunnel and transport
- Background: NAT-T and policies
- How to configure VPNs in typical corporate networks
- How to make voice traffic high priority
- How to test your VPN solution
- Configuration scripts for headquarters and branch offices
- Extra configuration scripts for lab testing the VPN solution