Typical Installations; Simple Vpn Topology - Vpn Hub And Spokes - Avaya G250 Administration

Configuring IPSec VPN

Typical installations

The following sections describe the typical IPSec VPN installations.
Simple VPN topology — VPN hub and spokes
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This includes also an explanation of
explanation of
Full or partial mesh
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Full solution — hub-and-spoke with VPN for data and VoIP control backup
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Also included are
Failover using GRE
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Failover using DNS
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Failover using a peer-group
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Simple VPN topology — VPN hub and spokes
The simple VPN topology consists of several VPN spokes (branch offices) connected via the
Internet to the VPN hub (Main Office).
In this topology:
The Broadband Internet connection uses cable or DSL modem, with a static public IP
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address.
There is a VPN tunnel from each Spoke to the VPN hub over the Internet.
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Only VPN traffic is allowed via the Internet connection.
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386 Administration for the Avaya G250 and Avaya G350 Media Gateways
Enabling continuous channel
on page 396
Typical failover applications:
on page 416, using GRE tunneling
on page 423
on page 431
on page 386
Using dynamic local peer IP
on page 395
on page 392, and an
on page 408