T1/E1 DACS Administrators’ Reference Guide

10 • IP

 

 

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. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the ipRouteTable object. That is, it effectively disassociates the destina- tion 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, manage- ment stations must be prepared to receive tabular information from agents that corresponds to entries not currently in use. Proper inter- pretation 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 DACS 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.

Info (ipRouteInfo)

A reference to MIB definitions specific to the particular routing protocol which is responsible for this route, as determined by the value specified in the route’s ipRouteProto value. If this information is not present, its value should be set to the OBJECT IDENTIFIER { 0 0 }, which is a syntactically valid object identifier, and any conformant implementation of ASN.1 and BER must be able to generate and recognize this value.

O/S forwarding table window

69

Page 71
Image 71
Patton electronic Model 2604 manual Protocol ipRouteProto, Info ipRouteInfo