Avaya Voicemail Pro CD 4.2 700459357 Manuel D’Utilisation

Product Description
IP Office 4.2

© 2009 AVAYA All rights reserved.

Page 170

Issue 18.s.- (22 May 2009)

IPSec tunnels allow a company to pass data between locations over unsecured IP networks such as the public
internet. The company data is secured using 3DES encryption making it unintelligible to other parties that
might be 'eaves dropping' on the traffic. Tunneling can be applied to link offices together or provide workers
access to the office over the internet. All IP Office systems support up to a total of 256K worth of encrypted
traffic to multiple locations. Initially, inter-working is supported only between IP Offices that are connected
either directly on a WAN port or via the LAN using a 3rd Party router. IPSec is optional and enabled on IP
Office through a License Key.

Note: Check with Avaya for supported scenarios and 3rd party devices.

 

PPP authentication using PAP or CHAP takes place between directly connected routers only. When using a
public IP Network to connect sites this authentication takes place between the customers router and the
service provide router that it is connected to. In some circumstances it is desirable to authenticate between
the customer owned routers, jumping over all the intermediary routers of the service provide network. Layer 2
Tunneling Protocol allow this to happen by facilitating a two stage authentication, firstly with the service
provider router then the customer router on the remote network.