rfc1158.txt
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TXT
2,201 行
ifOutNUcastPkts
Counter,
ifOutDiscards
Counter,
ifOutErrors
Counter,
ifOutQLen
Gauge,
ifSpecific
OBJECT IDENTIFIER
}
IETF SNMP Working Group [Page 16]
RFC 1158 MIB II May 1990
Definition:
An interface entry containing objects at the subnetwork
layer and below for a particular interface.
Access:
read-only.
Status:
mandatory.
We now consider the individual components of each interface
entry:
OBJECT:
-------
ifIndex { ifEntry 1 }
Syntax:
INTEGER
Definition:
A unique value for each interface. Its value ranges
between 1 and the value of ifNumber. The value for each
interface must remain constant at least from one re-
initialization of the entity's network management system
to the next re-initialization.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifDescr { ifEntry 2 }
Syntax:
DisplayString (SIZE (0..255))
Definition:
A textual string containing information about the
interface. This string should include the name of the
manufacturer, the product name and the version of the
hardware interface.
IETF SNMP Working Group [Page 17]
RFC 1158 MIB II May 1990
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifType { ifEntry 3 }
Syntax:
INTEGER {
other(1), -- none of the following
regular1822(2),
hdh1822(3),
ddn-x25(4),
rfc877-x25(5),
ethernet-csmacd(6),
iso88023-csmacd(7),
iso88024-tokenBus(8),
iso88025-tokenRing(9),
iso88026-man(10),
starLan(11),
proteon-10Mbit(12),
proteon-80Mbit(13),
hyperchannel(14),
fddi(15),
lapb(16),
sdlc(17),
t1-carrier(18),
cept(19), -- european equivalent of T-1
basicISDN(20),
primaryISDN(21),
-- proprietary serial
propPointToPointSerial(22),
ppp(23),
softwareLoopback(24),
eon(25), -- CLNP over IP [12]
ethernet-3Mbit(26)
nsip(27), -- XNS over IP
slip(28) -- generic SLIP
}
Definition:
The type of interface, distinguished according to the
physical/link protocol(s) immediately "below" the network
layer in the protocol stack.
IETF SNMP Working Group [Page 18]
RFC 1158 MIB II May 1990
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifMtu { ifEntry 4 }
Syntax:
INTEGER
Definition:
The size of the largest datagram which can be
sent/received on the interface, specified in octets. For
interfaces that are used for transmitting network
datagrams, this is the size of the largest network
datagram that can be sent on the interface.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifSpeed { ifEntry 5 }
Syntax:
Gauge
Definition:
An estimate of the interface's current bandwidth in bits
per second. For interfaces which do not vary in
bandwidth or for those where no accurate estimation can
be made, this object should contain the nominal
bandwidth.
Access:
read-only.
Status:
mandatory.
IETF SNMP Working Group [Page 19]
RFC 1158 MIB II May 1990
OBJECT:
-------
ifPhysAddress { ifEntry 6 }
Syntax:
OCTET STRING
Definition:
The interface's address at the protocol layer immediately
"below" the network layer in the protocol stack. For
interfaces which do not have such an address (e.g., a
serial line), this object should contain an octet string
of zero length.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifAdminStatus { ifEntry 7 }
Syntax:
INTEGER {
up(1), -- ready to pass packets
down(2),
testing(3) -- in some test mode
}
Definition:
The desired state of the interface. The testing(3) state
indicates that no operational packets can be passed.
Access:
read-write.
Status:
mandatory.
OBJECT:
-------
ifOperStatus { ifEntry 8 }
IETF SNMP Working Group [Page 20]
RFC 1158 MIB II May 1990
Syntax:
INTEGER {
up(1), -- ready to pass packets
down(2),
testing(3) -- in some test mode
}
Definition:
The current operational state of the interface. The
testing(3) state indicates that no operational packets
can be passed.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifLastChange { ifEntry 9 }
Syntax:
TimeTicks
Definition:
The value of sysUpTime at the time the interface entered
its current operational state. If the current state was
entered prior to the last re-initialization of the local
network management subsystem, then this object contains a
zero value.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifInOctets { ifEntry 10 }
Syntax:
Counter
IETF SNMP Working Group [Page 21]
RFC 1158 MIB II May 1990
Definition:
The total number of octets received on the interface,
including framing characters.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifInUcastPkts { ifEntry 11 }
Syntax:
Counter
Definition:
The number of subnetwork-unicast packets delivered to a
higher-layer protocol.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifInNUcastPkts { ifEntry 12 }
Syntax:
Counter
Definition:
The number of non-unicast (i.e., subnetwork-broadcast or
subnetwork-multicast) packets delivered to a higher-layer
protocol.
Access:
read-only.
Status:
mandatory.
IETF SNMP Working Group [Page 22]
RFC 1158 MIB II May 1990
OBJECT:
-------
ifInDiscards { ifEntry 13 }
Syntax:
Counter
Definition:
The number of inbound packets which were chosen to be
discarded even though no errors had been detected to
prevent their being deliverable to a higher-layer
protocol. One possible reason for discarding such a
packet could be to free up buffer space.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifInErrors { ifEntry 14 }
Syntax:
Counter
Definition:
The number of inbound packets that contained errors
preventing them from being deliverable to a higher-layer
protocol.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifInUnknownProtos { ifEntry 15 }
Syntax:
Counter
IETF SNMP Working Group [Page 23]
RFC 1158 MIB II May 1990
Definition:
The number of packets received via the interface which
were discarded because of an unknown or unsupported
protocol.
Access:
read-only.
Status:
mandatory.
OBJECT:
-------
ifOutOctets { ifEntry 16 }
Syntax:
Counter
Definition:
The total number of octets transmitted out of the
interface, including framing characters.
Access:
read-only.
Status:
mandatory.
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