O/S forwarding table window 204Access Server Administrators’ Reference Guide 16 • IPNext 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 viaa 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 valueof 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-networkNote The values direct(3) and indirect(4) refer to the notion of direct and indirectrouting in the IP architecture.Note Setting this object to the value invalid(2) has the effect of invalidating thecorresponding entry in the ipRouteTable object. That is, it effectively disas-sociates the destination identified with said entry from the route identifiedwith said entry. It is an implementation-specific matter as to whether theagent removes an invalidated entry from the table. Accordingly, managementstations must be prepared to receive tabular information from agents thatcorresponds to entries not currently in use. Proper interpretation of suchentries 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 isnot 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-inuser.• 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.
