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80 System information
Figure 19
VPN design over a Layer 3 network
ATTENTION
If the WLAN IP Telephony Manager 2245 is not in the same subnet as the
handsets, the handsets do not work.
ATTENTION
In Figure 18 "VPN design over a Layer 2 network" (page 79), Figure 19 "VPN
design over a Layer 3 network" (page 80), Figure 20 "Not recommended
VoWLAN design" (page 81), and Figure 21 "Network configuration 3 with Full
DHCP Server" (page 83), the clouds can represent a corporate intranet or the
public Internet.
Make the VPN Router public interface the default gateway for the
handsets, and if not the direct gateway for clients, at least ensure that
traffic comes from the WLAN into the public interface, not the private
interface.
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 03.04 Standard
23 September 2008
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