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RFC1354-MIB DEFINITIONS ::= BEGIN
IMPORTS Gauge, IpAddress FROM RFC1155-SMI mib-2, ip FROM RFC1213-MIB OBJECT-TYPE FROM RFC-1212;
-- This MIB module uses the extended OBJECT-TYPE macro as -- defined in [9]. ipForward OBJECT IDENTIFIER ::= { ip 24 }
ipForwardNumber OBJECT-TYPE SYNTAX Gauge ACCESS read-only STATUS mandatory DESCRIPTION "The number of current ipForwardTable entries that are not invalid." ::= { ipForward 1 }
-- IP Forwarding Table
-- The IP Forwarding Table obsoletes and replaces the ipRoute -- Table current in MIB-I and MIB-II. It adds knowledge of -- the autonomous system of the next hop, multiple next hop -- support, and policy routing support.
ipForwardTable OBJECT-TYPE SYNTAX SEQUENCE OF IpForwardEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This entity's IP Routing table." REFERENCE "RFC 1213 Section 6.6, The IP Group" ::= { ipForward 2 }
ipForwardEntry OBJECT-TYPE SYNTAX IpForwardEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A particular route to a particular destina- tion, under a particular policy." INDEX { ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop } ::= { ipForwardTable 1 }
IpForwardEntry ::= SEQUENCE { ipForwardDest IpAddress, ipForwardMask IpAddress, ipForwardPolicy INTEGER, ipForwardNextHop IpAddress, ipForwardIfIndex INTEGER, ipForwardType INTEGER, ipForwardProto INTEGER, ipForwardAge INTEGER, ipForwardInfo OBJECT IDENTIFIER, ipForwardNextHopAS INTEGER, ipForwardMetric1 INTEGER, ipForwardMetric2 INTEGER, ipForwardMetric3 INTEGER, ipForwardMetric4 INTEGER, ipForwardMetric5 INTEGER }
ipForwardDest OBJECT-TYPE SYNTAX IpAddress ACCESS read-only STATUS mandatory DESCRIPTION "The destination IP address of this route. An entry with a value of 0.0.0.0 is considered a default route.
This object may not take a Multicast (Class D) address value.
Any assignment (implicit or otherwise) of an instance of this object to a value x must be rejected if the bitwise logical-AND of x with the value of the corresponding instance of the ipForwardMask object is not equal to x." ::= { ipForwardEntry 1 }
ipForwardMask OBJECT-TYPE SYNTAX IpAddress ACCESS read-write STATUS mandatory DESCRIPTION "Indicate the mask to be logical-ANDed with the destination address before being compared to the value in the ipForwardDest field. For those systems that do not support arbitrary subnet masks, an agent constructs the value of the ipForwardMask by reference to the IP Ad- dress Class.
Any assignment (implicit or otherwise) of an instance of this object to a value x must be rejected if the bitwise logical-AND of x with the value of the corresponding instance of the ipForwardDest object is not equal to ipForward- Dest." DEFVAL { '00000000'h } -- 0.0.0.0 ::= { ipForwardEntry 2 }
-- The following convention is included for specification -- of TOS Field contents. At this time, the Host Requirements -- and the Router Requirements documents disagree on the width -- of the TOS field. This mapping describes the Router -- Requirements mapping, and leaves room to widen the TOS field -- without impact to fielded systems.
ipForwardPolicy OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "The general set of conditions that would cause the selection of one multipath route (set of next hops for a given destination) is referred to as 'policy'.
Unless the mechanism indicated by ipForwardPro- to specifies otherwise, the policy specifier is the IP TOS Field. The encoding of IP TOS is as specified by the following convention. Zero indicates the default path if no more specific policy applies.
+-----+-----+-----+-----+-----+-----+-----+-----+ | | | | | PRECEDENCE | TYPE OF SERVICE | 0 | | | | | +-----+-----+-----+-----+-----+-----+-----+-----+
IP TOS IP TOS Field Policy Field Policy Contents Code Contents Code 0 0 0 0 ==> 0 0 0 0 1 ==> 2 0 0 1 0 ==> 4 0 0 1 1 ==> 6 0 1 0 0 ==> 8 0 1 0 1 ==> 10 0 1 1 0 ==> 12 0 1 1 1 ==> 14 1 0 0 0 ==> 16 1 0 0 1 ==> 18 1 0 1 0 ==> 20 1 0 1 1 ==> 22 1 1 0 0 ==> 24 1 1 0 1 ==> 26 1 1 1 0 ==> 28 1 1 1 1 ==> 30
Protocols defining 'policy' otherwise must ei- ther define a set of values which are valid for this object or must implement an integer- instanced policy table for which this object's value acts as an index." ::= { ipForwardEntry 3 }
ipForwardNextHop OBJECT-TYPE SYNTAX IpAddress ACCESS read-only STATUS mandatory DESCRIPTION "On remote routes, the address of the next sys- tem en route; Otherwise, 0.0.0.0." ::= { ipForwardEntry 4 }
ipForwardIfIndex OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The ifIndex value which identifies the local interface through which the next hop of this route should be reached." DEFVAL { 0 } ::= { ipForwardEntry 5 }
ipForwardType OBJECT-TYPE SYNTAX INTEGER { other (1), -- not specified by this MIB invalid (2), -- logically deleted local (3), -- local interface remote (4) -- remote destination } ACCESS read-write STATUS mandatory DESCRIPTION "The type of route. Note that local(3) refers to a route for which the next hop is the final destination; remote(4) refers to a route for which the next hop is not the final destina- tion.
Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the ipForwardTable object. That is, it effectively disassociates the destination identified with said entry from the route iden- tified 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 current- ly in use. Proper interpretation of such en- tries requires examination of the relevant ip- ForwardType object." DEFVAL { invalid } ::= { ipForwardEntry 6 }
ipForwardProto OBJECT-TYPE SYNTAX INTEGER { other (1), -- not specified local (2), -- local interface netmgmt (3), -- static route icmp (4), -- result of ICMP Redirect
-- the following are all dynamic -- routing protocols egp (5), -- Exterior Gateway Protocol ggp (6), -- Gateway-Gateway Protocol hello (7), -- FuzzBall HelloSpeak rip (8), -- Berkeley RIP or RIP-II is-is (9), -- Dual IS-IS es-is (10), -- ISO 9542 ciscoIgrp (11), -- Cisco IGRP bbnSpfIgp (12), -- BBN SPF IGP ospf (13), -- Open Shortest Path First bgp (14), -- Border Gateway Protocol idpr (15) -- InterDomain Policy Routing } ACCESS read-only STATUS mandatory DESCRIPTION "The routing mechanism via which this route was learned. Inclusion of values for gateway rout- ing protocols is not intended to imply that hosts should support those protocols." ::= { ipForwardEntry 7 }
ipForwardAge OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "The number of seconds since this route was last updated or otherwise determined to be correct. Note that no semantics of `too old' can be implied except through knowledge of the routing protocol by which the route was learned." DEFVAL { 0 } ::= { ipForwardEntry 8 }
ipForwardInfo OBJECT-TYPE SYNTAX OBJECT IDENTIFIER ACCESS read-write STATUS mandatory DESCRIPTION "A reference to MIB definitions specific to the particular routing protocol which is responsi- ble for this route, as determined by the value specified in the route's ipForwardProto value. If this information is not present, its value should be set to the OBJECT IDENTIFIER { 0 0 }, which is a syntactically valid object identif- ier, and any implementation conforming to ASN.1 and the Basic Encoding Rules must be able to generate and recognize this value." ::= { ipForwardEntry 9 }
ipForwardNextHopAS OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The Autonomous System Number of the Next Hop. When this is unknown or not relevant to the protocol indicated by ipForwardProto, zero." DEFVAL { 0 } ::= { ipForwardEntry 10 }
ipForwardMetric1 OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "The primary routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipForwardProto value. If this metric is not used, its value should be set to -1." DEFVAL { -1 } ::= { ipForwardEntry 11 }
ipForwardMetric2 OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipForwardProto value. If this metric is not used, its value should be set to -1." DEFVAL { -1 } ::= { ipForwardEntry 12 }
ipForwardMetric3 OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipForwardProto value. If this metric is not used, its value should be set to -1." DEFVAL { -1 } ::= { ipForwardEntry 13 }
ipForwardMetric4 OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipForwardProto value. If this metric is not used, its value should be set to -1." DEFVAL { -1 } ::= { ipForwardEntry 14 }
ipForwardMetric5 OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipForwardProto value. If this metric is not used, its value should be set to -1." DEFVAL { -1 } ::= { ipForwardEntry 15 }
END
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