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O/S forwarding table window 204
Access Server Administrators’ Reference Guide 16 • IP
Next Hop (ipRouteNextHop)
The IP address of the next hop of this route. (In the case of a route bound to an interface which is realized via
a broadcast media, the value of this field is the agent's IP address on that interface.)
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.
Type (ipRouteType)
One of the following route types:
• other(1)—none of the following
• invalid(2)—an invalidated route
• direct(3)—route to directly connected (sub-)network
• indirect(4)—route to a non-local host/network/sub-network
Note
The values direct(3) and indirect(4) refer to the notion of direct and indirect
routing in the IP architecture.
Note
Setting this object to the value invalid(2) has the effect of invalidating the
corresponding entry in the ipRouteTable object. That is, it effectively disas
-
sociates the destination identified with said entry from the route identified
with said entry. It is an implementation-specific matter as to whether the
agent removes an invalidated entry from the table. Accordingly, management
stations must be prepared to receive tabular information from agents that
corresponds to entries not currently in use. Proper interpretation of such
entries requires examination of the relevant ipRouteType object.
Protocol (ipRouteProto)
The routing mechanism via which this route was learned. Inclusion of values for gateway routing protocols is
not intended to imply that hosts must support those protocols.
• unknown(0)
• local(1)—Added by the access server to support an interface. For example, adding a route for a new dial-in
user.
• user(2)—Added by an administrator on the IP Routing Information table or via SNMP management tools.
• dspf(3)—Not currently implemented.
• rip(4)—Learned via reception of RIP packet.
• icmp(5)—Learned via reception of ICMP packet.
• radius(6)—Provided in RADIUS response packet.