Dell PowerConnect W-Airwave W-Airwave 7.2 Configuration Guide - Page 155

Advanced Services > VPN Services > IPSEC

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The PPTP page displays all PPTP profiles that are currently configured for use by VPN services. This page lists the PPTP profile names, the VPN Services that reference these PPTP profiles, and the folder for each PPTP profile. Select Add to create a new PPTP profile, or click the pencil icon next to an existing profile to edit. The Add/Edit Details page appears. The Advanced Services > VPN Services > PPTP Add/Edit Details page contains the following fields, as described in Table 80: Table 80 Advanced Services > VPN Services > PPTP Add/Edit Details Field Descriptions Field Default Description General Settings Folder Name Top Blank Set the folder with which the PPTP profile is associated. The menu displays all folders available for association with the PPTP profile. Enter the name of the PPTP profile. Other Settings Enable PPTP Yes Enable or disable this PPTP profile. Echo Timeout (10-300 sec) 60 Define the PPTP echo timeout, which is the time between request and sending echo reply. Should this require more time than specified in this field, the PPTP session times out. PPP Authentication No Enable or disable the MSCHAP authentication protocol for this PPTP profile. MSCHAP PPP Authentication Yes Enable or disable the MSCHAPv2 authentication protocol for this PPTP profile. MSCHAPv2 Primary DNS Server Enter the IP address of the primary DNS server. Secondary DNS Server Enter the IP address of the secondary DNS server. Primary WINS Server Enter the IP address of the primary Windows Internet Naming Service (WINS) server. Secondary WINS Server Enter the IP address of the secondary WINS server. Select Add to create the PPTP profile, or click Save to preserve changes to an existing profile. The PPTP profile appears on the Advanced Services > VPN Services > PPTP page. Advanced Services > VPN Services > IPSEC The combination of Layer-2 Tunneling Protocol and Internet Protocol Security (L2TP/IPSec) is a highly secure technology that enables VPN connections across public networks such as the Internet. L2TP/IPSec provides both a logical transport mechanism on which to transmit PPP frames as well as tunneling or encapsulation so that the PPP frames can be sent across an IP network. L2TP/IPSec relies on the PPP connection process to perform user authentication and protocol configuration. With L2TP/IPSec, the user authentication process is encrypted using the Data Encryption Standard (DES) or Triple DES (3DES) algorithm. L2TP/IPSec requires two levels of authentication:  Computer-level authentication with a preshared key to create the IPSec security associations (SAs) to protect the L2TP-encapsulated data.  User-level authentication through a PPP-based authentication protocol using passwords, SecureID, digital certificates, or smart cards after successful creation of the SAs. Dell PowerConnect W AirWave 7.2 | Configuration Guide Dell PowerConnect W Configuration Reference | 155

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Dell PowerConnect W AirWave 7.2
| Configuration Guide
Dell PowerConnect W Configuration Reference
|
155
The PPTP page displays all PPTP profiles that are currently configured for use by VPN services. This page lists the
PPTP profile names, the VPN Services that reference these PPTP profiles, and the folder for each PPTP profile.
Select
Add
to create a new PPTP profile, or click the pencil icon next to an existing profile to edit. The Add/Edit
Details page appears.
The
Advanced Services > VPN Services > PPTP Add/Edit Details
page contains the following fields, as
described in
Table 80
:
Select
Add
to create the PPTP profile, or click
Save
to preserve changes to an existing profile. The PPTP profile
appears on the
Advanced Services > VPN Services > PPTP
page.
Advanced Services > VPN Services > IPSEC
The combination of Layer-2 Tunneling Protocol and Internet Protocol Security (L2TP/IPSec) is a highly secure
technology that enables VPN connections across public networks such as the Internet. L2TP/IPSec provides both
a logical transport mechanism on which to transmit PPP frames as well as tunneling or encapsulation so that the
PPP frames can be sent across an IP network. L2TP/IPSec relies on the PPP connection process to perform user
authentication and protocol configuration. With L2TP/IPSec, the user authentication process is encrypted using
the Data Encryption Standard (DES) or Triple DES (3DES) algorithm.
L2TP/IPSec requires two levels of authentication:
Computer-level authentication with a preshared key to create the IPSec security associations (SAs) to protect
the L2TP-encapsulated data.
User-level authentication through a PPP-based authentication protocol using passwords, SecureID, digital
certificates, or smart cards after successful creation of the SAs.
Table 80
Advanced Services > VPN Services > PPTP Add/Edit Details Field Descriptions
Field
Default
Description
General Settings
Folder
Top
Set the folder with which the PPTP profile is associated. The menu displays all
folders available for association with the PPTP profile.
Name
Blank
Enter the name of the PPTP profile.
Other Settings
Enable PPTP
Yes
Enable or disable this PPTP profile.
Echo Timeout
(10-300 sec)
60
Define the PPTP echo timeout, which is the time between request and sending echo
reply. Should this require more time than specified in this field, the PPTP session
times out.
PPP Authentication
MSCHAP
No
Enable or disable the MSCHAP authentication protocol for this PPTP profile.
PPP Authentication
MSCHAPv2
Yes
Enable or disable the MSCHAPv2 authentication protocol for this PPTP profile.
Primary DNS Server
Enter the IP address of the primary DNS server.
Secondary DNS Server
Enter the IP address of the secondary DNS server.
Primary WINS Server
Enter the IP address of the primary Windows Internet Naming Service (WINS)
server.
Secondary WINS Server
Enter the IP address of the secondary WINS server.