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3Com Router WL-602 User Manual

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Page 101

Advanced99
RIPRIP (Routing Information Protocol) - RIP allows the network administrator 
to set up routing information on one RIP-enabled device (this Router), 
and send that information to all RIP-enabled devices on the network. 
Figure 80   RIP Parameter Screen
You can set up RIP independently on both LAN and WAN interfaces.
1Check the Enable RIP checkbox. 
2Check the Enable Auto summary checkbox. Auto summarization sends 
simplified routing data to other RIP-enabled devices rather than full 
routing...

Page 102

100CHAPTER 5: CONFIGURING THE ROUTER
5Use the Poison Reverse drop-down menu to enable or disable Poison 
Reverse on the Router. Enabling Poison Reverse on your Router allows it 
to indicate to other RIP-enabled devices that they have both routes that 
point to each other, preventing data loops.
6Use the Authentication Required field to choose the mode of 
authentication:
■None — Switches off authentication on the specified interface.
■Password — An unencrypted text password that needs to be set on all...

Page 103

Advanced101
DDNSThe Router provides a list of dynamic DNS providers for you to choose 
from. Dynamic Domain Name Server (DDNS) enables you to map a static 
domain name to a dynamic IP address. This function allows you to create 
a hostname that points to your dynamic IP or static IP address or URL. 
Before you set up DDNS, you must obtain an account, password or key 
and static domain name from your DDNS provider. The Router supports 
five DDNS providers: 
■DynDNS.org
■TZO.com
■Dt DNS.com
■No-IP.com...

Page 104

102CHAPTER 5: CONFIGURING THE ROUTER
SNMPSNMP (Simple Network Management Protocol) allows remote 
management of your Router by a PC that has an SNMP management 
agent installed.
Check the Enable SNMP box, the table will appear. 
Figure 82   SNMP Screen
Enter the System Contact, System Name, and System Location 
information. 
To Configure SNMP Community:
1In the Community column, enter the name of the SNMP communication 
channel. Your SNMP management agent needs to be configured with this 
name so that it...

Page 105

Advanced103
You can configure your Router to send status messages to the SNMP 
management agent if a problem occurs on the network. To configure 
SNMP traps:
1In the IP Address field, enter the IP address of the PC to which you want 
your Router to send status messages. 
2In the Community field, enter the name of the SNMP communication 
channel to which you want your Router to send status messages.
3Set the Version field to match the version of trap messaging that your 
SNMP management agent supports....

Page 106

104CHAPTER 5: CONFIGURING THE ROUTER
Proxy ARPProxy ARP is the technique in which one host, usually a Router, answers 
ARP requests intended for another machine. By “faking” its identity, the 
Router accepts responsibility for routing packets to the “real” or intended 
destination. This heightens the security for your network. 
Figure 84   Proxy ARP Screen
1Check the Enable ProxyARP box. 
2Enter the corresponding IP address in the IP Address From and IP Address 
To fields. 
3Click Apply.  

Page 107

Advanced105
QoS SettingsThe QoS (Quality of Service) function allows you to differentiate your 
network traffic and provide it with high-priority forwarding service.
The bandwidth gap between LAN and WAN may significantly degrade 
performance of critical network applications, such as VoIP, gaming, and 
VPN. This QoS function allows you to classify traffic of applications and 
provides them with differentiated services (Diffserv). 
Figure 85   QoS Settings Screen 
1Check the Enable QoS box, and enter the...

Page 108

106CHAPTER 5: CONFIGURING THE ROUTER
Tr a f f i c  m a p p i n gUp to 16 rules can be defined to classify your network traffic into Diffserv 
forwarding groups and outgoing connections. 
Figure 86   Traffic Mapping Screen
Click Add, the Edit Traffic Class screen will appear. 
Figure 87   Edit Traffic Class Screen 
1Define the Rule name.
2Select the traffic type from drop-down menu.
3Select the forwarding group from the Map to Forwarding Group 
drop-down menu. 
4Select the value from the Remark DSCP as...

Page 109

Advanced107
Figure 88   Detailed Edit Traffic Class Screen
Enter the information, then click Apply to make the settings to take 
effect.  

Page 110

108CHAPTER 5: CONFIGURING THE ROUTER
VPNThe Router has a Virtual Private Network (VPN) feature that provides a 
secure link between remote users and the corporate network by 
establishing an authenticated and encrypted tunnel for passing secure 
data over the Internet. The Router supports three modes of VPN 
operation: 
■IPSec (IP Security) — provides IP network-layer encryption. IPSec can 
support large encryption networks (such as the Internet) by using 
digital certificates for device authentication....
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