Line/Field
Description
Associated System Parameter
External Subnet Mask...
External ("outer") subnet mask in
VPN mode.
NVEXTSUBNETMASK
External DNS Server...
External ("outer") DNS server IP
address in VPN mode.
EXTDNSSRVR or
NVEXTDNSSRVR
Encapsulation
The port numbers used for IKE
and IPsec UDP encapsulation,
and support for NAT traversal.
NVVPNENCAPS
Copy TOS
Indicates whether to copy the TOS
bits from the tunneled (inner) IP
header to the tunnel (outer) IP
header.
NVVPNCOPYTOS
Generic authentication type screen field descriptions
This screen shows the type of authentication used by your VPN (based on the system parameter
NVVPNAUTHTYPE).
If the authentication type code
(NVVPNAUTHTYPE) is:
This description displays:
3
PSK
4
PSK with XAUTH
5
RSA signatures with XAUTH
6
Hybrid XAUTH
7
RSA signatures
When the Authorization Type is PSK with XAUTH, RSA signatures with XAUTH, or Hybrid XAUTH,
the next screen displayed is the User Credentials screen. If the Authorization Type is PSK, the next
screen displayed is the IKE PSK screen. If the Authorization Type is RSA signatures, the next
screen displayed is the IKE Phase 1 screen.
User credentials screen field descriptions
Line/Field
Description
Associated system parameter
VPN User Type
End user permission to change
the VPN username: If the user can
change the user name, the
description "Any" displays here. If
the user cannot change the user
NVVPNUSERTYPE
Table continues…
Changing VPN settings
28
VPN Setup Guide for 9600 Series IP Telephones
March 2015
