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Page 61 / 132 Scroll up to view Page 56 - 60
Reference Manual for the Model DG632 ADSL Modem Router
Using Router Mode
6-9
Click the Connection Status button to display router connection status, as shown in
Figure 6-5
and
Figure 6-6
.
Figure 6-5:
Connection Status screen for Dynamic IP
Clicking the Renew button updates the status information.
This screen shows the following statistics:
Table 6-1.
Connection Status Fields for Dynamic IP
Field
Description
IP Address
The IP Address assigned to the WAN port by the ADSL Internet Service Provider.
Subnet Mask
Then Network Mask assigned to the WAN port by the ADSL Internet Service Provider.
Default Gateway
Then default gateway modem assigned to the WAN port by the ADSL Internet Service
Provider.
DHCP Server
The DHCP server’s IP address.
DNS Server
The DNS server’s IP address.
Lease Obtained
Date and time the lease was obtained.
Lease Expires
Date and time the lease expires.
Page 62 / 132
Reference Manual for the Model DG632 ADSL Modem Router
6-10
Using Router Mode
An alternate view of the Connection Status screen is shown in
Figure 6-6
below:
Figure 6-6:
Connection Status screen for PPPoA
Clicking the Renew button updates the status information.
This screen shows the following statistics:
Table 6-1.
Connection Status Fields for PPPoA
Field
Description
Connection Time
The time elapsed since the last connection to the Internet via the ADSL port.
Connection Method
The method the ADSL port acquired its TCP/IP configuration.
IP Address
The IP Address assigned to the WAN port by the ADSL Internet Service Provider.
Network Mask
Then Network Mask assigned to the WAN port by the ADSL Internet Service Provider.
Page 63 / 132
Reference Manual for the Model DG632 ADSL Modem Router
Using Router Mode
6-11
Viewing, Selecting, and Saving Router Mode Logged Information
The modem will log security-related events such as denied incoming service requests, hacker
probes, and administrator logins.
Here is an example of the logs file.
Figure 6-7:
Security Logs menu
Page 64 / 132
Reference Manual for the Model DG632 ADSL Modem Router
6-12
Using Router Mode
Log entries are described in
Table 6-1
below:
Log action buttons are described in
Table 6-2
Selecting What Information to Log
Besides the standard information listed above, you can choose to log additional information. Those
optional selections are as follows:
•
Attempted access to blocked site
•
Connections to the Web-based interface of the modem
•
Modem operation (start up, get time, etc.)
•
Known DoS attacks and Port Scans
Saving Log Files on a Server
You can choose to write the logs to a computer running a syslog program. To activate this feature,
enter the IP address of the server where the Syslog file will be written.
Table 6-1.
Security Log entry descriptions
Field
Description
Description or Action
The type of event and what action was taken if any.
Source IP
The IP address of the initiating device for this log entry.
Source port and interface
The service port number of the initiating device, and whether it
originated from the LAN or WAN
Destination
The name or IP address of the destination device or Web site.
Destination port and
interface
The service port number of the destination device, and whether it’s on
the LAN or WAN.
Table 6-2.
Security Log action buttons
Field
Description
Refresh
Refresh the log screen.
Clear Log
Clear the log entries.
Remove
(logging destination)
Remove a logging destination from the list.
Page 65 / 132
Reference Manual for the Model DG632 ADSL Modem Router
Using Router Mode
6-13
Router Mode Diagnostic Utilities and Rebooting
The DG632 modem router has a diagnostics feature. You can use the diagnostics menu to perform
the following functions from the modem:
•
Ping an IP Address to test connectivity to see if you can reach a remote host.
•
Perform a DNS Lookup to test if an Internet name resolves to an IP address to verify that the
DNS server configuration is working.
•
Display the Routing Table to identify what other modems the modem is communicating with.
•
Reboot the modem to enable new network configurations to take effect or to clear problems
with the modem’s network connection.
From the Main Menu of the browser interface, under the Maintenance heading, select the Modem
Diagnostics heading to display the menu shown in
Figure 6-8
.
Figure 6-8:
Diagnostics menu

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