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 Installing and Administering LAN/9000 Software > Chapter 4 Troubleshooting LAN/9000

LAN Interface Card Statistics
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This section contains descriptions of the RFC 1213 MIB II statistics fields for LAN interface cards which are displayed on the screen with the display command in lanadmin LAN Interface Test Mode. A description of each field follows the display.

                      LAN INTERFACE STATUS DISPLAY               
                       Thu, Nov 21,1991     11:16:22                  
Network Management ID               = 1
Description                         = lan0 Hewlett-Packard LAN ..
Type (value)                        = ethernet-csmacd (6)
MTU Size                            = 1500
Speed                               = 10000000
Station Address                     = 0x80009266c3f
Administration Status (value)       = up(1)
Operation Status (value)            = up(1)
Last Change                         = 5917
Inbound Octets                      = 1862255299
Inbound Unicast Packets             = 18765
Inbound Non-Unicast Packets         = 7644729
Inbound Discards                    = 48847
Inbound Errors                      = 0
Inbound Unknown Protocols           = 3877238
Outbound Octets                     = 1304687
Outbound Unicast Packets            = 18721
Outbound Non-Unicast Packets        = 19
Outbound Discards                   = 0
Outbound Errors                     = 0
Outbound Queue Length               = 0
Ethernet-like Statistics Group 
Index                               = 0
Alignment Errors                    = 0
FCS Errors                          = 0
Single Collision Frames             = 0
Multiple Collision Frames           = 0
Deferred Transmissions              = 0
Late Collisions                     = 0
Excessive Collisions                = 0
Internal MAC Transmit Errors        = 0
Carrier Sense Errors                = 0
Frames Too Long                     = 0
Internal MAC Receive Errors         = 0
RFC 1213 MIB II STATISTICS
Description
A textual string containing information about the interface.
This string includes the name of the manufacturer, the product name
and the version of the hardware interface.
Type (value)
The type of interface, distinguished according to
the physical/link protocol(s) immediately below the network layer
in the protocol stack. It will have one of the following values:
Table 4-1 Fm Variable:Table Continuation
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)
ds1(18)
T-1
el(19)
European
equivalent of T-1
basicISDN(20)
primaryISDN(21)
Proprietary
serial
proPointToPointSerial(22)
ppp(23)
softwareLoopback(24)
eon(25)
CLNP
over IP [11]
ethernet-3Mbit(26)
nsip(27)
XNS
over IP
slip(28)
generic
SLIP
ulta(29)
ULTRA
technologies
ds3(30)
T-3
sip(31)
SMDS
frame-relay(32)
 
MTU Size
The size of the largest datagram which can be sent/received
on the interface specified in octets.
Speed
An estimate of the current bandwidth of the interface in
bits per second. For interfaces which do not vary in bandwidth or
for those where no accurate estimates can be made, this object contains
the nominal bandwidth.
Station Address
The interface address at the protocol layer immediately below
the network layer in the protocol stack. For interfaces which do
not have such an address, such as serial line, this object contains
an octet string of zero length.
Administration Status
The desired state of the interface It will have
one of the following values:
Table 4-2 Title not available (RFC 1213 MIB II STATISTICS)
up(1)
Ready
to pass packets
down(2)
Not
operative
testing(3)
In test
mode
 
Operation Status
The current operational state of the interface.
It will have one of the following values.
Table 4-3 Title not available (RFC 1213 MIB II STATISTICS)
up(1)
Ready
to pass packets
down(2)
Not
operative
testing(3)
In test
mode
 
Last Change
The value of SysUpTime at the time the interface entered
its current operational state. If the current state was entered
prior to the last reinitialization of the local network management
subsystem, then this object contains a zero value.
Inbound Octets
The total number of octets received on the interface, including
framing characters.
Inbound Unicast Packets
The number of subnetwork-unicast packets delivered
to a high-layer protocol.
Inbound Non-Unicast Packets
The number of non-unicast (subnetwork-broadcast
or subnetwork-multicast) packets delivers to a higher-layer protocol.
Inbound Discards
The number of inbound packets that were discarded even
though no errors had been detected, to prevent their being delivered
to a higher-layer protocol. One possible reason for discarding such
a packet could be to free up buffer space.
Inbound Errors
The number of inbound packets that contained errors preventing
them from being deliverable to a higher-layer protocol.
Inbound Unknown Protocols
The number of packets received via the interface
which were discarded because of an unknown or unsupported protocol.
Outbound Octets
The total number of octets transmitted out of the interface,
including framing characters.
Outbound Unicast Packets
The total number of packets that higher-level protocols
requested be transmitted to a subnetwork-unicast address, including
those that were discarded or not sent.
Outbound Non-Unicast Packets
The total number of packets that higher-level protocols
requested be transmitted to a non-unicast (a subnetwork-broadcast
or subnetwork-multicast) address, including those that were discarded
or not sent.
Outbound Discards
The number of outbound packets that were discarded
even though no errors had been detected to prevent their being transmitted.
One possible reason for discarding such a packet could be to free
up buffer space.
Outbound Errors
The number of outbound packets that could not be transmitted
because of errors.
Outbound Queue Length
The length of the output packet queue (in packets)
RFC 1284 Ethernet-Like Interface Statistics
Index
A value that uniquely identifies an interface to
an Ethernet-like medium.
Alignment Errors
A count of frames received on a particular interface that
are not an integral number of octets in length and do not pass the
FCS check.
FCS Errors
A count of frames received on a particular interface that
are not an integral number of octets in length and do not pass the
FCS check.
Single Collision Frames
A count of successfully transmitted frames on a particular
interface for which transmission is inhibited by exactly one collision.
Multiple Collision Frames
A count of successfully transmitted frames on a
particular interface for which transmission is inhibited by more
than one collision. 
Deferred Transmissions
A count of frames for which the first transmission
attempt on a particular interface is delayed because the medium
is busy. The count represented by an instance of this object does
not include frames involved in collisions.
Late Collisions
The number of times that a collision is detected
on a particular interface later than 512 bit-times into the transmission
of a packet.
Excessive Collisions
A couple of frames for which transmission on a particular
interface fails due to excessive collisions.
Internal MAC Transmit Errors
A count of frames for which transmission on a particular
interface fails due to an internal MAC sublayer transmit error.
Carrier Sense Errors
The number of times that the carrier sense condition
was lost or never asserted when attempting to transmit a frame on
a particular interface.
Frames Too Long
Account of frames received on a particular interface that
exceed the maximum permitted frame size.
Internal MAC Receive Errors
A count of frames for which reception on a particular
interface fails due to an internal MAC sublayer receive error




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