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Chapter 9 Routing
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9.2
The Routing Screen
Use this screen to view and configure the static route rules on the Device. Click
Network Setting
> Routing > Static Route
to open the
following
screen.
Figure 62
Network Setting > Routing > Static Route
The following table describes the labels in this screen.
Table 39
Network Setting > Routing > Static Route
LABEL
DESCRIPTION
Add new static
route
Click this to configure a new static route.
#
This is the index number of the entry.
Status
This field displays whether the static route is active or not. A yellow bulb signifies that this
route is active. A gray bulb signifies that this route is not active.
Name
This is the name that describes or identifies this route.
Destination IP
This parameter specifies the IP network address of the final destination. Routing is always
based on network number.
Subnet Mask
This parameter specifies the IP network subnet mask of the final destination.
Gateway
This is the IP address of the gateway. The gateway is a router or switch on the same
network segment as the device's LAN or WAN port. The gateway helps forward packets to
their destinations.
Interface
This is the WAN interface used for this static route.
Modify
Click the
Edit
icon to edit the static route on the Device.
Click the
Delete
icon to remove a static route from the Device. A window displays asking
you to confirm that you want to delete the route.
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9.2.1
Add/Edit Static Route
Use this screen to add or edit a static route. Click
Add new static route
in the
Routing
screen or
the
Edit
icon next to the static route you want to edit. The screen shown next appears.
Figure 63
Routing: Add/Edit
The following table describes the labels in this screen.
9.3
The Policy Forwarding Screen
Traditionally, routing is based on the destination address only and the Device takes the shortest
path to forward a packet. Policy forwarding allows the Device to override the default routing
behavior and alter the packet forwarding based on the policy defined by the network administrator.
Policy-based routing is applied to outgoing packets, prior to the normal routing.
Table 40
Routing: Add/Edit
LABEL
DESCRIPTION
Active
This field allows you to activate/deactivate this static route.
Select this to enable the static route. Clear this to disable this static route without having to
delete the entry.
Route Name
Enter a descriptive name for the static route.
IP Type
Select whether your IP type is
IPv4
or
IPv6
.
Destination IP
Address
Enter the IPv4 or IPv6 network address of the final destination.
IP Subnet Mask
If you are using IPv4 and need to specify a route to a single host, use a subnet mask of
255.255.255.255 in the subnet mask field to force the network number to be identical to
the host ID. Enter the IP subnet mask here.
Use Gateway IP
Address
The gateway is a router or switch on the same network segment as the device's LAN or WAN
port. The gateway helps forward packets to their destinations.
If you want to use the gateway IP address, select
Enable
.
Gateway IP
Address
Enter the IP address of the gateway.
Use Interface
Select the WAN interface you want to use for this static route.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
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You can use source-based policy forwarding to direct traffic from different users through different
connections or distribute traffic among multiple paths for load sharing.
The
Policy Forwarding
screen let you view and configure routing policies on the Device. Click
Network Setting > Routing > Policy Forwarding
to open the
following
screen.
Figure 64
Network Setting > Routing > Policy Forwarding
The following table describes the labels in this screen.
Table 41
Network Setting > Routing >Policy Forwarding
LABEL
DESCRIPTION
Add new Policy
Forward Rule
Click this to create a new policy forwarding rule.
#
This is the index number of the entry.
Policy Name
This is the name of the rule.
Source IP
This is the source IP address.
Source Subnet
Mask
his is the source subnet mask address.
Protocol
This is the transport layer protocol.
Source Port
This is the source port number.
WAN
This is the WAN interface through which the traffic is routed.
Modify
Click the
Edit
icon to edit this policy.
Click the
Delete
icon to remove a policy from the Device. A window displays asking you to
confirm that you want to delete the policy.
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9.3.1
Add/Edit Policy Forwarding
Click
Add new Policy Forward Rule
in the
Policy Forwarding
screen or click the
Edit
icon next
to a policy. Use this screen to configure the required information for a policy route.
Figure 65
Policy Forwarding: Add/Edit
The following table describes the labels in this screen.
9.4
The RIP Screen
Routing Information Protocol (RIP, RFC 1058 and RFC 1389) allows a device to exchange routing
information with other routers.
Table 42
Policy Forwarding: Add/Edit
LABEL
DESCRIPTION
Policy Name
Enter a descriptive name of up to 8 printable English keyboard characters, not including
spaces.
Source IP
Enter the source IP address.
Source Subnet
Mask
Enter the source subnet mask address.
Protocol
Select the transport layer protocol (
TCP
or
UDP
).
Source Port
Enter the source port number.
Source MAC
Enter the source MAC address.
WAN
Select a WAN interface through which the traffic is sent. You must have the WAN
interface(s) already configured in the
Broadband
screens.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
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Click
Network Setting > Routing > RIP
to open the
RIP
screen.
Figure 66
RIP
The following table describes the labels in this screen.
Table 43
RIP
LABEL
DESCRIPTION
Interface
This is the name of the interface in which the RIP setting is used.
Version
The RIP version controls the format and the broadcasting method of the RIP packets that
the Device sends (it recognizes both formats when receiving). RIP version
1
is universally
supported but RIP version
2
carries more information. RIP version
1
is probably adequate
for most networks, unless you have an unusual network topology.
Operation
Select
Passive
to have the Device update the routing table based on the RIP packets
received from neighbors but not advertise its route information to other routers in this
interface.
Select
Active
to have the Device advertise its route information and also listen for routing
updates from neighboring routers.
Enabled
Select the check box to activate the settings.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.

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