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Page 136 / 165 Scroll up to view Page 131 - 135
Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
132
Configuring L2TP VPN in the Branch Office
The IP address 69.121.1.33 is the
Public IP
address of the router located in head office. If you registered
the DDNS (please refer to the
DDNS
section of this manual), you can also use the domain name instead
of the IP address to reach the router.
Item
Function
Description
1
Name
BranchOffice
Given a name of L2TP connection
2
Connection Type
LAN to LAN
Select LAN to LAN from drop-down menu
Type
Dial out
Select Dial out from drop-down menu
3
IP Address (or Hostname)
69.121.1.33
IP address of the head office router (in WAN side)
Peer Network IP
192.168.1.0
4
Netmask
255.255.255.0
Head office network
Username
username
5
Password
123456
Input username & password to authenticate head
office network
6
Auth.Type
Chap(Auto)
Keep as default value in most of the cases.
IPSec
Enable
Enable for enhancing your L2TP VPN security.
Authentication
MD5
Encryption
3DES
Perfect Forward Secrecy
None
7
Pre-shared Key
12345678
Both sites should use the same value.
Page 137 / 165
Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
133
QoS - Quality of Service
QoS function helps you to control your network traffic for each application from LAN (Ethernet and/or
Wireless) to WAN (Internet). It facilitates you to control the different quality and speed of through put for
each application when the system is running with full loading of upstream.
Here are the items within the
QoS
section:
Prioritization
and
Outbound / Inbound IP Throttling
(bandwidth management).
Prioritization
There are three priority settings to be provided in the Router:
High
Normal
(The default is normal priority for all of traffic without setting)
Low
And the balances of utilization for each priority are High (60%), Normal (30%) and Low (10%).
To delete the application, you can choose Delete option and then click Edit/Delete.
Name
: User-define description to identify this new policy/application.
Time Schedule
: Scheduling your prioritization policy.
Priority
: The priority given to each policy/application. Its default setting is set to High; you may adjust this
setting to fit your policy/application.
Protocol
: The name of supported protocol.
Source IP Address Range
: The source IP address or range of packets to be monitored.
Source Port
: The source port of packets to be monitored.
Destination IP address Range
: The destination IP address or range of packets to be monitored.
Destination Port
: The destination port of packets to be monitored.
DSCP Marking
: Differentiated Services Code Point (DSCP), it is the first 6 bits in the ToS byte. DSCP
Marking allows users to assign specific application traffic to be executed in priority by the next Router
based on the DSCP value. See Table 4. The DSCP Mapping Table:
Page 138 / 165
Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
134
Note:
To be sure the router(s) in the backbones network have the capability in executing and checking the DSCP
through-out the QoS network.
Table 4: DSCP Mapping Table
DSCP Mapping Table
(Wireless) ADSL Router
Standard DSCP
Disabled
None
Best Effort
Best Effort (000000)
Premium
Express Forwarding (101110)
Gold service (L)
Class 1, Gold (001010)
Gold service (M)
Class 1, Silver (001100)
Gold service (H)
Class 1, Bronze (001110)
Silver service (L)
Class 2, Gold (010010)
Silver service (M)
Class 2, Silver (010100)
Silver service (H)
Class 2, Bronze (010110)
Bronze service (L)
Class 3, Gold (011010)
Bronze service (M)
Class 3, Silver (011100)
Bronze service (H)
Class 3, Bronze (011110)
Page 139 / 165
Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
135
Outbound IP Throttling (LAN to WAN)
IP Throttling allows you to limit the speed of IP traffic. The value entered will limit the speed of the
application that you set to the specified value’s multiple of 32kbps.
Name
: User-define description to identify this new policy/name.
Time Schedule
: Scheduling your prioritization policy. Refer to
Time Schedule
for more information.
Protocol
: The name of supported protocol.
Rate Limit
: To limit the speed of outbound traffic
Source IP Address Range
: The source IP address or range of packets to be monitored.
Source Port(s)
: The source port of packets to be monitored.
Destination IP Address Range
: The destination IP address or range of packets to be monitored.
Destination Port(s)
: The destination port of packets to be monitored.
Page 140 / 165
Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
136
Inbound IP Throttling (WAN to LAN)
IP Throttling allows you to limit the speed of IP traffic. The value entered will limit the speed of the
application that you set to the specified value’s multiple of 32kbps.
Name
: User-define description to identify this new policy/application.
Time Schedule
: Scheduling your prioritization policy. Refer to
Time Schedule
for more information.
Protocol
: The name of supported protocol.
Rate Limit
: To limit the speed of for inbound traffic.
Source IP Address Range
: The source IP address or range of packets to be monitored.
Source Port(s)
: The source port of packets to be monitored.
Destination IP Address Range
: The destination IP address or range of packets to be monitored.
Destination Port(s)
: The destination port of packets to be monitored.

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