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