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IP Routing Parameters
Router
Metric Count
Route Type
Route Destination
Destination Mask
Parameter
Router
Metric Count
Route Type
Route Destination
Destination Mask
is the IP address of a router that can reach the route destination.
is the number of "hops" (network gateways in the overall path over the internet) from
the source to the destination.
defines a route for a network.
Network
defines a route for a specific host.
Host
Default
defines a route that will be used if no other route is found.
is the IP address of the destination for host routes.
is the mask used for network routes. It is used only during routing, to identify the
portion of the address associated with the network.
When an IP datagram is received, the software "masks" off this portion of the overall
address and searches for a match to the remaining address in the node's IP routing
table. If there is no match, then the destination mask is checked. If no match is found
here either, the default route (if configured) will be used. If the default route is not con-
figured, the datagram will be discarded, and an error message will be sent to the
source.
Table 13-5 IP Routing Parameters
Valid Values
valid IP address
1–255
Network, Host, Default
valid IP address or
valid IP address
Default Value
255.255.255.255
1
Network
0
0.0.0.0
255.255.255.255
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