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66
their CMTS settings.
To access the
RIP Setup
page:
1
Click
Advanced
in the menu bar.
2
Then click the
RIP Setup
submenu.
Figure 20 shows an example of the menu and Table 14 describes the items you can
select.
Figure 20. Example of RIP Setup Page
Note:
RIP messages will only be sent when the Cable Modem/Router is configured for Static IP
Addressing (see the
Basic – Setup
page).
It is unlikely that your cable Internet service supports this mode. If they do, and you want
to enable RIP, you will need to ask for the CMTS’s key name and number. You may need
additional information.
To enable the Cable Modem/Router to perform RIP, do the following (this example uses
BRCMV2 as the RIP Authentication Key and 1 as the Key ID):
To turn on RIP MD5 Authentication, and check the
Enable
box.
To specify a RIP MD5 Authentication Key String, type
BRCMV2
for this example.
key name = a string value to match CMTS key name value
To specify a RIP MD5 Auth Key ID, type
1
.
key number = a number to match the CMTS key number value
To change the RIP announcement interval, enter a number in seconds.
reporting interval by default = 30 seconds
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67
To specify a RIP unicast destination IP address, enter the IP address and subnet
mask.
Table 14. RIP Setup Menu Option
Option
Description
RIP Authentication
Check this box to enable RIP authentication for
routing protocols
RIP Authentication Key
Enter the set of keys for your interface.
RIP Authentication Key ID
Enter the ID to identify the key used to create the
authentication data.
RIP Reporting Interval
Enter the interval at which to update routing table.
RIP Destination IP Address
Enter the destination IP address for RIP.
RIP Destination IP Subnet Mask
Enter the subnet mask for the destination IP
address.
Page 68 / 115
68
10
Firewall Menu Options
The Firewall Menu lets you:
Configure the level of protection your firewall provides
View the firewall logs
Basic
The Basic page allows you to configure the level of protection your firewall offers and
also what type of attacks it should detect..
To access the
Basic
page:
1
Click
Firewall
in the menu bar.
2
Then click the
Basic
submenu.
Figure 21 shows an example of the menu and Table 15 describes the items you can
select.
Figure 21. Example of Basic Page
Page 69 / 115
69
Table 15. Basic Menu Option
Option
Description
IPv4 Firewall
Protection
By increasing the level from low to medium or high
you can restrict traffic to only certain predefined
ports.
Port Scan Detection
Detects and blocks port scan activity originating on
both the LAN and WAN.
Block Fragmented IP
packets
Prevents all fragmented IP packets from passing
through the firewall.
IP Flood Detection
Detects and blocks packet floods originating on
both the LAN and WAN.
Event Log
The Event Log page allows you to send firewall event log reporting to a standard SysLog
server or via email. Individual attack or configuration items can be selected that will be
sent to the SysLog server or emailed so that only the items of interest can be monitored.
Permitted connections, blocked connections, known Internet attack types, and Cable
Modem/Router configuration events can also be logged. The SysLog server must be on
the same subnet as the Private LAN behind the Cable Modem/Router (typically
192.168.0.x).
To access the
Event Log
page:
1
Click
Firewall
in the menu bar.
2
Then click the
Event Log
submenu.
Figure 23 shows an example of the menu and Table 16 describes the items you can
select.
To enable the automatic email alerts:
1
Configure the email address you want to send alerts to. You also need to configure
the email account you will send from (this may be the same account). This includes
the SMTP (outgoing)/ mail server address, together with username and password.
You may need to contact your service provider to find the information.
2
Check the
Enable
box and click the Apply button.
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70
Figure 22. Example of Event Log Page
Table 16. Local Log Menu Option
Option
Description
Permitted
Connections
Enabling this feature causes the Cable Modem/Router to report all
permitted connection attempts.
Blocked
Connections
Enabling this feature causes the Cable Modem/Router to report all
blocked connection attempts.
Known Internet
Attacks
Enabling this feature causes the Cable Modem/Router to report any
known Internet attacks.
Product
Configuration
Events
Enabling this feature causes the Cable Modem/Router to report all
configuration changes.
Contact Email
Address
Enter the email address where you want to receive the alert email.
SMTP Server
Name
Enter the SMTP (Outgoing) mail server address of the email
account you will send from.

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