A3COM0420-SWITCH-EXTENSIONS
AI MIB Summary
Standard SNMP MIB module defining data structures for A3COM0420-SWITCH-EXTENSIONS.
46
Objects
Active
Status
4
Dependencies
Imported Objects
Objects
46 total| Object Name |
|---|
stackConfigGroup OBJECT IDENTIFIER .1.3.6.1.4.1.42359.2.2.1.34.1 |
SNMPv2-TC Unknown .1.3.6.1.4.1.42359.2.2.1.34.1 |
prConStackFwdingModeThis object controls whether cut-thru is enabled on the stack.
Enabling cut-through can help to minimise the delay experienced
by packets before they are forwarded to their destination.
Setting the mode to 'fastForward' causes frame forwarding to
begin as soon as 32 bytes of the frame have been received.
Setting it to 'fragmentFree' causes frame forwarding to begin
when 64 bytes have been received. This is slower, but eliminates
the risk of forwarding an illegally short frame to the
destination port, however a valid length frame might still be
forwarded even though it had a CRC error. Setting this object to
'storeAndForward' disables the cut-through completely, and
frames will not be forwarded until they have been received in
their entirety.
When the mode is set to intelligent, the effective switching
mode is set initially to fast forward. The switch then monitors
the total error rate of frames received on each port, and if it
exceeds, say 20 error frames a second, it changes the effective
mode for the port to store and forward. If the error rate then
drops to zero the effective mode is restored to fast forward.
The actual error rates may differ for different switches.
Whatever forwarding mode is selected, cut-through cannot operate
if the destination port is currently involved in 'cut-through'
from another port. In this case the device will process the
frame in store and forward mode.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.1 |
prConStackPaceModeThis object specifies the type of backoff algorithm used on the
units in the stack. Any suitable port can use the standard
ethernet algorithm or, for PACE applications, it can be set into
low latency mode. In this mode, the backoff algorithm is
optimised to minimise the possibility of collisions. The value
of this object defines the setting that those ports will use
which have prConPortPaceMode set to useDefault(2).
PACE mode can be set for the whole stack or for individual
ports. When a unit is initialised to factory defaults,
prconPortPaceMode for every port is set to useDefault(2), and
the actual setting for the port is decided by the value of this
object. The manager has the choice, therefore, of varying the
mode for every port in the stack, or for individual ports only.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.2 |
prConStackVLANConfigModeThis object specifies the VLAN mode to be used. Setting it to
portMode(2) requires the user to configure each port's VLAN
membership individually, whereas autoSelect(3) causes it to
acquire its membership from the VLAN Server. The value of this
object defines the setting that those ports will use which have
prConPortVLANConfigMode set to useDefault(2).
VLAN mode can be set for the whole stack or for individual
ports. When a unit is initialised to factory defaults,
prconPortVLANConfigMode for every port is set to useDefault(2),
and the actual setting for the port is decided by the value of
this object. The manager has the choice, therefore, of varying
the mode for every port in the stack, or for individual ports
only.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.3 |
prConStackRAPStudyPortThis determines the ifIndex of the port a user wishes to
monitor on the copy port. Monitoring causes all data from the
study port to be copied to the copy port. The port is specified
using its ifIndex because that uniquely identifies a single port
in the stack.rw INTEGER .1.3.6.1.4.1.42359.2.2.1.34.1.4 |
prConStackRAPCopyPortThis is the value of ifIndex specifying the port to which data
will be copied (mirrored), and must be set to a valid value,
along with the study port, before monitoring can be enabled.rw INTEGER .1.3.6.1.4.1.42359.2.2.1.34.1.5 |
prConStackRAPEnableThis object controls the Roving Analysis Port (RAP) feature in
conjunction with prConStackRAPStudyPort and
prConStackRAPCopyPort. The RAP feature allows all frames sent
and received on the study port to be copied to the copy port,
where they can be observed. Setting this object to on(2) will
enable monitoring. To succeed both prConStackRAPStudyPort and
prConStackRAPCopyPort must have been set to the ifIndex values
of suitable ports, and if either are invalid this operation will
fail.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.6 |
prConStackBridgeModeThe value of this object determines whether the switch is to
operate as a single bridge or as a bridge per VLAN (the
default). In multiple bridge mode the switch maintains a
separate filtering database for each VLAN, whereas in single
bridge mode it uses a single database for them all. Thus in
multiple bridge mode the MAC address of a station can be learnt
on more than one port provided they are in separate VLANs,
while in single bridge mode the switch makes just one entry for
each address. Multiple bridge mode is useful in that separate
VLANs may be joined by a bridge external to the switch, whereas
in single bridge mode VLANs may only be connected by routers.
Not all switches will support both modes, and any attempt to set
the mode to an unsupported value will be rejected.
Note: This object only applies to bridges operating in the
dot1Qmode.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.7 |
prConStackIpTosThis object is used to enable the classification of packets
based upon the value of their IPToS field. When enabled, the
packet's Traffic Classification will be derived from both the
802.1D user_priority and the IPToS field. Where the two methods
indicate different Traffic Classifications, then higher of the
two will be selected. Each device will only support the
enumerations that are applicable to that device. Attempting to
set the object to a non-supported mode will be rejected.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.9 |
prConStackPktRateControlThis object controls whether the packet rate control feature is
enabled or disabled. Products which do not support this feature
will return notApplicable(1) and reject any attempt to set it
to a different value. When set to disable(2) the switch will
not perform any rate limiting. If set to any of the remaining
values the switch will monitor the throughput of the specified
type(s) of frame and discard some if necessary to reduce the
throughput to the amount specified by the value of
prConStackPktRateLimit. The enumerations select which types of
packet are to be rate limited as follows:-
limitUnknownDAs(3)
Unicast Frames with a destination address not in the
filtering database
limitMcasts(4)
Multicasts
limitMcastsAndUnknownDAs(5)
Multicasts, and unicasts with unknown destination
addresses
limitBcasts(6)
Broadcasts
limitBcastsAndUnknownDAs(7)
Broadcasts, and unicasts with unknown destination
addresses
limitMcastsAndBcasts(8)
Multicasts and Broadcasts
limitMcastsBcastsAndUnknownDAs(9)
All the above types of framerw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.10 |
prConStackPktRateLimitThis object specifies the maximum rate at which the selected
types of packet may be received from a port before excess
packets are discarded. The limit is specified in packets per
second. To assist in calculating a suitable limit, note that
the absolute maximum transmission rates of packets on an
ethernet network is
10Mbps: 14880
and 100Mbps: 148800rw INTEGER .1.3.6.1.4.1.42359.2.2.1.34.1.11 |
prConStackStpProtocolVersionThe version of the Spanning Tree Protocol that is to be used by
this Bridge.
stpVersion0(0) The original version of Spanning Tree,
defined by IEEE Std. 802.1D-1998.
stpVersion2(2) The Rapid Spanning Tree Protocol,
defined by IEEE Std. 802.1w.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.12 |
prConStackStpPathCostDefaultThe version of the Spanning Tree default Path Costs that are to
be used by this Bridge.
stp8021d1998(1) Path Costs from IEEE Std. 802.1D-1998.
stp8021t2000(2) Path Costs from IEEE Std. 802.1t-2000.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.13 |
prConStackLacpOperInfoThis object shall contain a value indicating that LACP is
operational, or not operational. If not operational, all units
need to be upgraded to the latest agent version. For example,
this value shall be set to 'not operational' if any unit in the stack
does not have the capability to support LACP.ro Enumeration .1.3.6.1.4.1.42359.2.2.1.34.1.14 |
switchConfigGroup OBJECT IDENTIFIER .1.3.6.1.4.1.42359.2.2.1.34.2 |
prConfigPortTableTable providing configuration information about a port on a
Switch unit. SEQUENCE OF PrConfigPortEntry .1.3.6.1.4.1.42359.2.2.1.34.2.1 |
prConfigPortEntryConfiguration options for a single port. PrConfigPortEntry .1.3.6.1.4.1.42359.2.2.1.34.2.1.1 |
prConPortVLANConfigModeThis object specifies the VLAN mode to be used. Setting it to
portMode(3) requires the user to configure the port's VLAN
membership explicitly, whereas autoSelect(4) causes it to
acquire its membership from the VLAN Server.
VLAN mode can be set for the whole stack or for individual
ports. When a unit is initialised to factory defaults,
prConPortVLANConfigMode for every port is set to useDefault(2),
and the actual setting for the port is decided by the value of
prConStackVLANConfigMode. The other values of this object allow
the setting to be varied for the individual port.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.1.1.1 |
prConPortIFMThis object controls Intelligent Flow Management for the port,
which specifies what action the port takes whenever it is unable
to receive a packet because its buffers are full. When set to
off(2), the packet is dropped immediately. If it is set to any
of the values maxJams6(3) to maxJams13(10), a jam signal is
transmitted to the segment attached to the port to force a
collision so that the originator will stop and retransmit the
frame. This will be repeated a maximum of 6 to 13 times
depending on the setting. If the port is then still unable to
receive the packet it is dropped. Intelligent Flow Management
should be disabled on ports which are connected to ree Rapid Spanning Tree Protocol,
defined by IEEE Std. 802.1w.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.1.1.13 |
prConPortLacpThis object specifies whether a port will use LACP. When
enabled LACP will be active on the port. When disabled LACP
will cease this may cause a port to be taken out of an
aggregation.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.1.1.14 |
prConPortStpAdminPathCostThe administratively assigned value of the path cost for
this port. The contribution of this port to the path cost of
paths towards the spanning tree root which include this port.
802.1D-1990 recommends that the default value of this parameter
be in inverse proportion to the speed of the attached LAN.
This is similar to the dot1dStpPortPathCost MIB item, except
that writing a value of '0' assigns the port to use the
automatically calculated default Path Cost value. If the
default Path Cost is being used, this item returns '0'.rw INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.1.1.15 |
prConPortCascadeModeThis object specifies whether the port is a cascade port
or not. If enabled, the port is operating as a cascade
port. If disabled, the port is not operating as a
cascade port.ro Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.1.1.16 |
prConPortFdbTableThis table provides the same information as that held in the
dot1qTpFdbTable in the Bridge Extension MIB. SEQUENCE OF PrConPortFdbEntry .1.3.6.1.4.1.42359.2.2.1.34.2.2 |
prConPortFdbEntryInformation about a specific unicast MAC address. PrConPortFdbEntry .1.3.6.1.4.1.42359.2.2.1.34.2.2.1 |
prConPortFdbPortThis contains the port number that this address has been seen
on. It is similar to dot1qTpFdbPort in the Bridge Extensions
MIB but may not be the value zero. INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.2.1.1 |
prConPortFdbIdThe identity of this filtering database. This shall have the
same value as is defined for dot1qFdbId in the bridge MIB
extensions MIB. INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.2.1.2 |
prConPortFdbAddressThis object contains the unicast MAC address of the entry.
This contains the same value as dot1qTpFdbAddress in the Bridge
Extensions MIB. MacAddress (SNMPv2-TC) .1.3.6.1.4.1.42359.2.2.1.34.2.2.1.3 |
prConPortFdbStatusThis contains the same information as dot1qTpFdbStatus in the
Bridge Extensions MIB.ro Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.2.1.4 |
prConTrunkMulticastTableTable for distributing multicast addresses on trunks across a
stack. SEQUENCE OF PrConTrunkMulticastEntry .1.3.6.1.4.1.42359.2.2.1.34.2.3 |
prConTrunkMulticastEntryInformation associated with a single multicast entry. PrConTrunkMulticastEntry .1.3.6.1.4.1.42359.2.2.1.34.2.3.1 |
prConTrunkMulticastFdbIdThe identity of the filtering database. This contains the same
value as dot1qFdbId in the Bridge Extensions MIB. INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.1 |
prConTrunkMulticastAddressThis object contains the multicast MAC address of the entry.
This contains the same value as the dot1qTpGroupAddress in the
Bridge Extensions MIB MacAddress (SNMPv2-TC) .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.2 |
prConTrunkMulticastPortlistThe set of trunk ports to which frames destined for this
multicast address should be forwarded. Each octet within the
value of this object specifies a set or eight trunk ports, with
the first octet specifiying trunk ports 1 through 8, the second
octet specifying ports 9 through 16, etc. Within each octet the
most significant bit represents the lowest numbered port, and
the least significant bit represents the highest numbered port.
Thus, each trunk port is represented by a single bit within the
value of this object. If that bit has a value of '1' then that
trunk port is included in the set of ports; the trunk port is
not included if its bit has a value of '0'. The default value of
this object is a string of ones of appropriate length.rw OCTET STRING .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.3 |
prConTrunkMulticastStatusThis object specifies the status of the entry. The default
value is other(1). This object contains the same information as
dot1dStaticStatus in RFC1493.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.4 |
prConTrunkMulticastTypeThis object contains the same information as dot1qTpFdbStatus
in the Bridge Extensions MIB.rw Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.5 |
prConTrunkMulticastRobpThis object contains the Receive on Blocked port setting.ro Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.3.1.6 |
prConIfIndexTableTable for translating between unit.port and ifIndex or bridge
port number. SEQUENCE OF PrConIfIndexEntry .1.3.6.1.4.1.42359.2.2.1.34.2.4 |
prConIfIndexEntryThe IfIndex and bridge port number associated with a port
entry. PrConIfIndexEntry .1.3.6.1.4.1.42359.2.2.1.34.2.4.1 |
prConIfIndexGroupIndexThis object identifies the group, unit or blade containing the
port for which this entry contains information. INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.4.1.1 |
prConIfIndexPortIndexThis object identifies the port within the group for which this
entry contains information. INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.4.1.2 |
prConIfIndexThis object contains the corresponding ifIndex value.ro INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.4.1.3 |
prConIfIndexBridgePortThe corresponding bridge port number, which is the number of
the port as defined by RFC1493. If a port is a member of an
aggregation, the value will be that of the aggregation rather
than the port itself.ro INTEGER .1.3.6.1.4.1.42359.2.2.1.34.2.4.1.4 |
prConfigAggTableTable providing configuration information about an aggregation
on a Switch unit. SEQUENCE OF PrConfigAggEntry .1.3.6.1.4.1.42359.2.2.1.34.2.5 |
prConfigAggEntryConfiguration information for a single aggregation. PrConfigAggEntry .1.3.6.1.4.1.42359.2.2.1.34.2.5.1 |
prConfigAggStatusThis object specifies the aggregation status. The status
is indicated as follows:
unused(1) the aggregation is not presently in use.
autoInUse(2) the aggregation was selected as a result of
receiving LACP Partner ID information from a
remote partner, and currently has ports.
autoAgeing(3) the aggregation was selected as a result of
receiving LACP Partner ID information from a
remote partner, and is currently within its ageing
timeout period (typically 10 minutes).
autoReusable(4) the aggregation was selected as a result of
receiving LACP Partner ID information from a
remote partner, and its ageing timeout period
(typically 10 minutes) has expired.
manual(5) the aggregation was pre-configured using
administrative Partner ID information.ro Enumeration .1.3.6.1.4.1.42359.2.2.1.34.2.5.1.1 |