Avaya 3.7 - Manual (Page 200)

Using advanced features
200 Avaya VPNmanager Configuration Guide Release 3.7
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VPNos 4.4 includes MTU Path Discovery, NAT Traversal, and Port for Dyna Policy
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VPNos 4.5 includes Path MTU Discovery, NAT Traversal, and Port for Dyna Policy
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Note:
Note:
The Private IP Address and the local DHCP server IP address are combined
beginning with VPNos 4.2. Previously the Private IP Address was located on the
Advanced tab.
Figure 62: Security gateway, Advanced tab
ARP
Determines the VSU use of its MAC addresses. In the default mode (Bind one IP address to
each port), the Primary IP address is bound to the MAC address of the public port. If a private IP
address is configured, that address is bound to the MAC address of the private port of the VSU.
In this mode, all packets originating from the VSU destined for the public network uses the
public port’s MAC address as the packets’ source MAC address.
Examples of public network destined traffic are:
● IPSec packets being tunneled to a member VSU
● SNMP Get Responses being sent to a VPNmanager console residing on the public side of
the VSU
● Traps sent to a VPNmanager console residing on the public side of the VSU
Also in the default mode, all packets originating from the VSU destined for the private network
use the private port’s MAC address as the packets’ source address.