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T1/E1 DACS Administrators' Reference Guide
Mask (ipRouteMask)
Indicates the mask to be logical-ANDed with the destination address before being compared to the value in the
ipRouteDest field. For those systems that do not support arbitrary subnet masks, an agent constructs the value
of the ipRouteMask by determining whether the value of the corresponding ipRouteDest field belongs to a
Class A, B, or C network, and then using the appropriate mask from table 3.
Gateway (RouteGateway)
Specifies the IP address to which the packets should be forwarded.
Cost (RouteCost)
This is the cost of the route as defined by RIP standards. Cost is sometimes considered to be number of hops.
A cost of 16 is considered to be infinite. A cost can be given to user-entered routes so their preference in rela-
tion to learned routes can be calculated.
Interface (ipRouteIfIndex)
The index value that identifies the local interface through which the next hop of this route should be reached.
The interface identified by a particular value of this index is the same interface as identified by the same value
of ifIndex.
State (RouteState)
•
invalid(1)—This setting deletes the route.
•
active(2)—A valid route is in use.
•
nopath(3)—No route is available to the specified gateway. The gateway is not known to local networks.
•
agedout(4)—Invalid route (soon to be removed).
•
costly(5)—A valid route, but not in use because of it's higher cost.
Add a route:
This portion of the IP Routing Information window is where you can add a new route to the IP Routing Infor-
mation table. Fill in the
Advanced...
Enables a route to be attached to an interface. Packets to a network will be routed to that interface, allowing
the gateway IP address to be dynamic.
Routing Information
Table 3. Masks
Mask
255.0.0.0
255.255.0.0
255.255.255.0
Destination
,
Mask
, and
Network
class-A
class-B
class-C
Gateway
information, then click Add Route.
10 • IP
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