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snmp_mib_archive/CISCO-LWAPP-DOT11-MIB.my
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-- *******************************************************************
-- CISCO-LWAPP-DOT11-MIB.my
-- January 2007, Devesh Pujari, Srinath Candadai
--
-- Copyright (c) 2007 by Cisco Systems, Inc.
-- All rights reserved.
-- *******************************************************************
CISCO-LWAPP-DOT11-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE
FROM SNMPv2-SMI
MODULE-COMPLIANCE,
OBJECT-GROUP
FROM SNMPv2-CONF
TruthValue
FROM SNMPv2-TC
CLDot11Band,
CLDot11ChannelBandwidth
FROM CISCO-LWAPP-TC-MIB
ciscoMgmt
FROM CISCO-SMI;
-- ********************************************************************
-- * MODULE IDENTITY
-- ********************************************************************
ciscoLwappDot11MIB MODULE-IDENTITY
LAST-UPDATED "200701040000Z"
ORGANIZATION "Cisco Systems Inc."
CONTACT-INFO
"Cisco Systems,
Customer Service
Postal: 170 West Tasman Drive
San Jose, CA 95134
USA
Tel: +1 800 553-NETS
Email: cs-wnbu-snmp@cisco.com"
DESCRIPTION
"This MIB is intended to be implemented on all those
devices operating as Central controllers, that
terminate the Light Weight Access Point Protocol
tunnel from Cisco Light-weight LWAPP Access Points.
This MIB provides the information about the
operational parameters of the 802.11 networks.
References about specific type of 802.11 flavors like
802.11a/b/g or 802.11n will be made whereever required
to indicate that the respective parameters are
applicable only to that particular type of 802.11
networks.
The relationship between CC and the LWAPP APs
can be depicted as follows:
+......+ +......+ +......+
+ + + + + +
+ CC + + CC + + CC +
+ + + + + +
+......+ +......+ +......+
.. . .
.. . .
. . . .
. . . .
. . . .
. . . .
+......+ +......+ +......+ +......+
+ + + + + + + +
+ AP + + AP + + AP + + AP +
+ + + + + + + +
+......+ +......+ +......+ +......+
. . .
. . . .
. . . .
. . . .
. . . .
+......+ +......+ +......+ +......+
+ + + + + + + +
+ MN + + MN + + MN + + MN +
+ + + + + + + +
+......+ +......+ +......+ +......+
The LWAPP tunnel exists between the controller and
the APs. The MNs communicate with the APs through
the protocol defined by the 802.11 standard.
LWAPP APs, upon bootup, discover and join one of the
controllers and the controller pushes the configuration,
that includes the WLAN parameters, to the LWAPP APs.
The APs then encapsulate all the 802.11 frames from
wireless clients inside LWAPP frames and forward
the LWAPP frames to the controller.
GLOSSARY
Access Point ( AP )
An entity that contains an 802.11 medium access
control ( MAC ) and physical layer ( PHY ) interface
and provides access to the distribution services via
the wireless medium for associated clients.
LWAPP APs encapsulate all the 802.11 frames in
LWAPP frames and sends them to the controller to which
it is logically connected.
Gratuitous Probe Response (GPR)
The Gratuitous Probe Response feature aids in conserving
battery power of WLAN-enabled cell phones by providing
a high rate packet on the order of tens of milliseconds
such that these kind of phones can wake up and wait at
predefined intervals, to reduce battery power. The
GPR packet is transmitted from the AP at a predefined
time interval.
Light Weight Access Point Protocol ( LWAPP )
This is a generic protocol that defines the
communication between the Access Points and the
Central Controller.
Mobile Node ( MN )
A roaming 802.11 wireless device in a wireless
network associated with an access point. Mobile Node
and client are used interchangeably.
TU
A measurement of time in units of 1024 microseconds.
802.11n
802.11n builds upon previous 802.11 standards by adding MIMO
(multiple-input multiple-output). MIMO uses multiple
transmitter and receiver antennas to allow for increased data
throughput through spatial multiplexing and increased range .
A-MPDU
An aggregated format that consists of several MAC
Protocol Data Units being aggregated and transmitted
in one PHY Service Data Unit.
A-MSDU
An aggregated format that consists of several MAC
Service Data Units being aggregated and transmitted
in one MAC Protocol Data Unit.
Reduced Inter-Frame Space ( RIFS )
A time interval between multiple transmissions of a
single transmitter used to reduce overhead and
increase network efficiency.
Modulation and Coding Scheme ( MCS )
This is a value that determines the modulation, coding and
number of spatial channels. Each scheme specifies the
modulation technique, coding rate , number of spatial
streams etc and the corresponding data rate.
Guard Interval
Guard intervals are used to ensure that distinct
transmissions do not interfere with one another.
The purpose of the guard interval is to introduce
immunity to propagation delays, echoes and
reflections, to which digital data is normally
very sensitive.
Media Access Control ( MAC )
The Media Access Control Layer is one of two sublayers
that make up the Data Link Layer. The MAC layer is
responsible for moving data packets to and from one
Network Interface Card (NIC) to another across a shared
channel.
REFERENCE
[1] Wireless LAN Medium Access Control ( MAC ) and
Physical Layer ( PHY ) Specifications.
[2] Draft-obara-Capwap-lwapp-00.txt, IETF Light
Weight Access Point Protocol.
[3] Enhanced Wireless Consortium MAC Specification,
v1.24.
[4] Enhanced Wireless Consortium PHY Specification,
v1.27."
REVISION "200701040000Z"
DESCRIPTION
"Initial version of this MIB module."
::= { ciscoMgmt 612 }
ciscoLwappDot11MIBNotifs OBJECT IDENTIFIER
::= { ciscoLwappDot11MIB 0 }
ciscoLwappDot11MIBObjects OBJECT IDENTIFIER
::= { ciscoLwappDot11MIB 1 }
ciscoLwappDot11MIBConform OBJECT IDENTIFIER
::= { ciscoLwappDot11MIB 2 }
cldConfig OBJECT IDENTIFIER
::= { ciscoLwappDot11MIBObjects 1 }
cldStatus OBJECT IDENTIFIER
::= { ciscoLwappDot11MIBObjects 2 }
-- ********************************************************************
-- * High Throughput MAC Operations table
-- ********************************************************************
cldHtMacOperationsTable OBJECT-TYPE
SYNTAX SEQUENCE OF CldHtMacOperationsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table represents the operational parameters
at the MAC layer for the 802.11n networks managed
through the controller. An agent adds an entry to
this table for every 802.11n band on startup."
::= { cldConfig 1 }
cldHtMacOperationsEntry OBJECT-TYPE
SYNTAX CldHtMacOperationsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry represents the operational parameters
at the MAC layer for 802.11n networks."
INDEX { cldHtDot11nBand }
::= { cldHtMacOperationsTable 1 }
CldHtMacOperationsEntry ::= SEQUENCE {
cldHtDot11nBand CLDot11Band,
cldHtDot11nChannelBandwidth CLDot11ChannelBandwidth,
cldHtDot11nRifsEnable TruthValue,
cldHtDot11nAmsduEnable TruthValue,
cldHtDot11nAmpduEnable TruthValue,
cldHtDot11nGuardIntervalEnable TruthValue
}
cldHtDot11nBand OBJECT-TYPE
SYNTAX CLDot11Band
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies the 802.11n band the parameters
correspond to."
::= { cldHtMacOperationsEntry 1 }
cldHtDot11nChannelBandwidth OBJECT-TYPE
SYNTAX CLDot11ChannelBandwidth
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object represents the channel bandwidth for
the 802.11n networks in the particular band."
DEFVAL { twenty }
::= { cldHtMacOperationsEntry 2 }
cldHtDot11nRifsEnable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is used to indicate the support for RIFS on
this band. A value of 'true' indicates that RIFS is
enabled for this band. A value of 'false' indicates that
RIFS is disabled for this band."
DEFVAL { true }
::= { cldHtMacOperationsEntry 3 }
cldHtDot11nAmsduEnable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is used to indicate the support for 802.11n
A-MSDU on this band. A value of 'true' indicates that
A-MSDU is enabled for this band. A value of 'false'
indicates that A-MSDU is disabled for this band."
DEFVAL { true }
::= { cldHtMacOperationsEntry 4 }
cldHtDot11nAmpduEnable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is used to indicate the support for 802.11n
A-MPDU on this band. A value of 'true' indicates that
A-MPDU is enabled for this band. A value of 'false'
indicates that A-MPDU is disabled for this band."
DEFVAL { true }
::= { cldHtMacOperationsEntry 5 }
cldHtDot11nGuardIntervalEnable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object is used to indicate the support for 802.11n
guard interval on this band. A value of 'true' indicates
that guard interval is enabled for this band. A value of
'false' indicates that guard interval is disabled for this
band."
DEFVAL { true }
::= { cldHtMacOperationsEntry 6 }
-- ********************************************************************
-- * Units of conformance
-- ********************************************************************
ciscoLwappDot11MIBCompliances OBJECT IDENTIFIER
::= { ciscoLwappDot11MIBConform 1 }
ciscoLwappDot11MIBGroups OBJECT IDENTIFIER
::= { ciscoLwappDot11MIBConform 2 }
ciscoLwappDot11MIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for the SNMP entities that
implement the ciscoLwappDot11MIB module."
MODULE -- this module
MANDATORY-GROUPS { ciscoLwappDot11MIBMacOperGroup }
::= { ciscoLwappDot11MIBCompliances 1 }
ciscoLwappDot11MIBMacOperGroup OBJECT-GROUP
OBJECTS {
cldHtDot11nChannelBandwidth,
cldHtDot11nRifsEnable,
cldHtDot11nAmsduEnable,
cldHtDot11nAmpduEnable,
cldHtDot11nGuardIntervalEnable
}
STATUS current
DESCRIPTION
"This collection of objects represents the
operational parameters at the MAC layer
for the 802.11n networks."
::= { ciscoLwappDot11MIBGroups 1 }
END
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