NTWS-CLIENT-SESSION-MIB

All MIBs › NTWS-CLIENT-SESSION-MIB

Organization: Nortel Networks

Last Updated: 2008-10-23

Category: Nortel WLAN

Description: Monitors wireless client session attributes including authentication state, roaming history, and data rates on Nortel NTWS.

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What Is NTWS-CLIENT-SESSION-MIB?

NTWS-CLIENT-SESSION-MIB is a Nortel NTWS wireless LAN MIB that monitors individual wireless client sessions on an NTWS Access Controller, tracking each associated client's identity, authentication, and network attachment details. Its central ntwsClSessClientSessionTable exposes per-session data including client MAC address, session ID, username, IP address, encryption type, VLAN, the serving AP's serial number and radio number, access type, and authentication method. This is primarily software/session-state monitoring of the wireless network layer: an administrator uses it to see how many clients are connected, verify they authenticated with the expected method and encryption, and troubleshoot roaming or connectivity issues by correlating a client's session to a specific AP and radio. It is closely tied to the other NTWS MIBs in the same family, particularly NTWS-AP-STATUS-MIB (to know which AP a session refers to) and NTWS-TRAP-MIB (which raises notifications on session state changes). It is deployed on Nortel NTWS wireless controllers in enterprise WLAN environments with many roaming client devices. Network engineers evaluating or troubleshooting this functionality can download the NTWS-CLIENT-SESSION-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in NTWS-CLIENT-SESSION-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Nortel NTWS wireless LAN controllers (Access Controllers)
wireless client devices associated to Nortel NTWS access points

Monitoring Examples

An operator would query ntwsClSessClientSessionTable for a given ntwsClSessClientSessMacAddress to see its ntwsClSessClientSessIpAddress, ntwsClSessClientSessEncryptionType, and ntwsClSessClientSessApSerialNum/ntwsClSessClientSessRadioNum, confirming the client associated to the expected AP with strong encryption. Repeated changes in ntwsClSessClientSessApSerialNum for the same MAC address within a short window would reveal excessive roaming or a client stuck ping-ponging between access points.

What Can Be Monitored

active client sessions
client MAC address and IP address
encryption type in use
authentication method
serving AP and radio number
client VLAN assignment

Imported Objects

From NTWS-AP-TC

NtwsAccessType
NtwsApNum
NtwsApSerialNum
NtwsRadioNum
NtwsRadioRate
NtwsRssi

From NTWS-BASIC-TC

NtwsPhysPortNumberOrZero

From NTWS-CLIENT-SESSION-TC

NtwsClientAccessMode
NtwsClientAuthenProtocolType
NtwsClientSessionState
NtwsUserAccessType

From NTWS-ROOT-MIB

ntwsMibs

OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
MacAddress
TEXTUAL-CONVENTION
TimeStamp

OIDs

OID symbolic	OID numeric	Type	Access	Description
ntwsClientSessionMib	1.3.6.1.4.1.45.6.1.4.4			Client Session MIB. AP = Access Point; AC = Access Controller (wireless switch), the device that runs a SNMP Agent implementing this MIB. Copyright 2008 Nortel Networks. All rights reserved. This Nortel Networks SNMP Management Information Base Specification (Specification) embodies Nortel Networks' confidential and proprietary intellectual property. This Specification is supplied 'AS IS' and Nortel Networks makes no warranty, either express or implied, as to the use, operation, condition, or performance of the Specification.
ntwsClientSessionObjects	1.3.6.1.4.1.45.6.1.4.4.1
ntwsClientSessionDataObjects	1.3.6.1.4.1.45.6.1.4.4.1.1
ntwsClSessClientSessionTable	1.3.6.1.4.1.45.6.1.4.4.1.1.1		not-accessible	Client Session Table.
ntwsClSessClientSessionEntry	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1		not-accessible	Information about a particular client session.
MAC ntwsClSessClientSessMacAddress	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.1	MacAddress	not-accessible	Client MAC address.
STR ntwsClSessClientSessSessionId	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.2	DisplayString	read-only	Session ID is a string long enough to be sure we can make it unique over a long time.
STR ntwsClSessClientSessUsername	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.3	DisplayString	read-only	Client user name.
IP ntwsClSessClientSessIpAddress	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.4	IpAddress	read-only	Client IP address. If the client has no IP address, the value will be 0.0.0.0.
NTW ntwsClSessClientSessEncryptionType	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.5	NtwsEncryptionType	read-only	Encryption type.
STR ntwsClSessClientSessVlan	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.6	DisplayString	read-only	The name of the client VLAN.
NTW ntwsClSessClientSessApSerialNum	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.7	NtwsApSerialNum	read-only	Serial Number of the AP this client is connected to. It is a zero length string when wired access is used.
NTW ntwsClSessClientSessRadioNum	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.8	NtwsRadioNum	read-only	Number of the Radio that provides service to this client. It is 'not-applicable' when wired access is used.
NTW ntwsClSessClientSessAccessType	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.9	NtwsAccessType	read-only	Access type this client uses (via AP, DAP or wired). Obsoleted by ntwsClSessClientSessAccessMode.
NTW ntwsClSessClientSessAuthMethod	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.10	NtwsAuthMethod	read-only	Authentication Method. Deprecated, use ntwsClSessClientSessDot1xAuthMethod instead.
IP ntwsClSessClientSessAuthServer	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.11	IpAddress	read-only	Authentication Server's IP Address. If the client is authenticated via the local DB, or not authenticated, its value will be the system IP.
U32 ntwsClSessClientSessPortOrNum	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.12	Unsigned32	read-only	Port number. Obsoleted by ntwsClSessClientSessApNum.
U32 ntwsClSessClientSessVlanTag	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.13	Unsigned32	read-only	VLAN tag.
TIM ntwsClSessClientSessTimeStamp	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.14	TimeStamp	read-only	Session start time stamp.
STR ntwsClSessClientSessSsid	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.15	DisplayString	read-only	SSID.
NTW ntwsClSessClientSessState	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.16	NtwsSessState	read-only	Session state. Deprecated, use ntwsClSessClientSessSessionState instead.
NTW ntwsClSessClientSessLoginType	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.17	NtwsUserAccessType	read-only	Login type (mac, web, dot1x or last-resort).
NTW ntwsClSessClientSessDot1xAuthMethod	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.18	NtwsClientAuthenProtocolType	read-only	Dot1x Authentication Method.
NTW ntwsClSessClientSessSessionState	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.19	NtwsClientSessionState	read-only	Session non-intermediate state.
NTW ntwsClSessClientSessAccessMode	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.20	NtwsClientAccessMode	read-only	Access mode (type) this client uses (via AP or wired). Obsoletes ntwsClSessClientSessAccessType since in 6.0 directly attached APs and DAPs were unified.
NTW ntwsClSessClientSessApNum	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.21	NtwsApNum	read-only	The AP providing wireless service to this client is identified by its administratively assigned AP Number, unique on same AC (switch), regardless of how APs are attached to the AC. Meaningful when ntwsClSessClientSessAccessMode = 'ap'. Obsoletes ntwsClSessClientSessPortOrNum since in 6.0 directly attached APs and DAPs were unified.
NTW ntwsClSessClientSessPhysPortNum	1.3.6.1.4.1.45.6.1.4.4.1.1.1.1.22	NtwsPhysPortNumberOrZero	read-only	The physical port used by this wired-auth client is identified by its port number on the AC (switch). Zero means the port is unknown or not applicable (for example, when ntwsClSessClientSessAccessMode = 'ap'). Meaningful when ntwsClSessClientSessAccessMode = 'wired'.
ntwsClSessRoamingHistoryTable	1.3.6.1.4.1.45.6.1.4.4.1.1.2		not-accessible	Roaming History Table. Expansion of Client Session Table.
ntwsClSessRoamingHistoryEntry	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1		not-accessible	Roaming History Entry.
MAC ntwsClSessRoamHistMacAddress	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.1	MacAddress	not-accessible	Client MAC address.
U32 ntwsClSessRoamHistIndex	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.2	Unsigned32	not-accessible	Entry index.
NTW ntwsClSessRoamHistApSerialNum	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.3	NtwsApSerialNum	read-only	Serial Number of the AP this client was connected to.
NTW ntwsClSessRoamHistRadioNum	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.4	NtwsRadioNum	read-only	Number of the Radio that provided service to this client.
NTW ntwsClSessRoamHistAccessType	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.5	NtwsAccessType	read-only	Access type used by this client (via AP, DAP or wired). Obsoleted by ntwsClSessRoamHistAccessMode.
U32 ntwsClSessRoamHistApNumOrPort	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.6	Unsigned32	read-only	AP port number, DAP number, or Port number for wired access. Obsoleted by ntwsClSessRoamHistApNum.
IP ntwsClSessRoamHistIpAddress	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.7	IpAddress	read-only	IP address of the AC (wireless switch) the client or AP was connected to.
TIM ntwsClSessRoamHistTimeStamp	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.8	TimeStamp	read-only	The difference between the time the session was created on the roamed-to switch and the time the last switch, the one where the user is at currently, started. The timestamp unit is in hundredths of seconds.
NTW ntwsClSessRoamHistAccessMode	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.9	NtwsClientAccessMode	read-only	Access mode (type) used by this client (via AP or wired). Obsoletes ntwsClSessRoamHistAccessType since in 6.0 directly attached APs and DAPs were unified.
NTW ntwsClSessRoamHistApNum	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.10	NtwsApNum	read-only	The administratively assigned AP Number, unique on same AC (switch), regardless of how APs are attached to the AC. Obsoletes ntwsClSessRoamHistApNumOrPort since in 6.0 directly attached APs and DAPs were unified.
NTW ntwsClSessRoamHistPhysPortNum	1.3.6.1.4.1.45.6.1.4.4.1.1.2.1.11	NtwsPhysPortNumberOrZero	read-only	The physical port used by this wired-auth client is identified by its port number on the AC (switch). Zero means the port is unknown or not applicable (for example, when ntwsClSessRoamHistAccessMode = 'ap'). Meaningful when ntwsClSessRoamHistAccessMode = 'wired'.
ntwsClSessClientSessionStatisticsTable	1.3.6.1.4.1.45.6.1.4.4.1.1.3		not-accessible	Client Session Statistics Table.
ntwsClSessClientSessionStatisticsEntry	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1		not-accessible	Client Session Statistics Table Entry.
MAC ntwsClSessClientSessStatsMacAddress	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.1	MacAddress	not-accessible	Client MAC address.
C64 ntwsClSessClientSessStatsUniPktIn	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.2	Counter64	read-only	Unicast packets in.
C64 ntwsClSessClientSessStatsUniOctetIn	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.3	Counter64	read-only	Unicast octets in.
C64 ntwsClSessClientSessStatsUniPktOut	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.4	Counter64	read-only	Unicast packets out.
C64 ntwsClSessClientSessStatsUniOctetOut	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.5	Counter64	read-only	Unicast octets out.
C64 ntwsClSessClientSessStatsMultiPktIn	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.6	Counter64	read-only	Multicast packets in.
C64 ntwsClSessClientSessStatsMultiOctetIn	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.7	Counter64	read-only	Multicast octets in.
C64 ntwsClSessClientSessStatsEncErrPkt	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.8	Counter64	read-only	Number of packets with encryption errors.
C64 ntwsClSessClientSessStatsEncErrOctet	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.9	Counter64	read-only	Number of octets with encryption errors.
NTW ntwsClSessClientSessStatsLastRate	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.10	NtwsRadioRate	read-only	Last packet data rate.
NTW ntwsClSessClientSessStatsLastRssi	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.11	NtwsRssi	read-only	RSSI (Received Signal Strength Indicator) for last packet, in decibels referred to 1 milliwatt (dBm). A higher value indicates a stronger signal.
I32 ntwsClSessClientSessStatsLastSNR	1.3.6.1.4.1.45.6.1.4.4.1.1.3.1.12	Integer32	read-only	Last packet data Signal to Noise Ratio.
U32 ntwsClSessTotalSessions	1.3.6.1.4.1.45.6.1.4.4.1.1.4	Unsigned32	read-only	Total number of sessions.
ntwsClientSessionConformance	1.3.6.1.4.1.45.6.1.4.4.1.2
ntwsClientSessionCompliances	1.3.6.1.4.1.45.6.1.4.4.1.2.1
ntwsClientSessionCompliance	1.3.6.1.4.1.45.6.1.4.4.1.2.1.1			The compliance statement for devices that implement the Client Session MIB. This compliance statement was for releases 4.1 and 4.2 of AC (wireless switch) software. This compliance statement is replaced by ntwsClientSessionComplianceRev2.
ntwsClientSessionComplianceRev2	1.3.6.1.4.1.45.6.1.4.4.1.2.1.2			The compliance statement for devices that implement the Client Session MIB. This compliance statement was for releases 5.0 and 6.0 of AC (wireless switch) software. This compliance statement is replaced by ntwsClientSessionComplianceRev3.
ntwsClientSessionComplianceRev3	1.3.6.1.4.1.45.6.1.4.4.1.2.1.3			The compliance statement for devices that implement the Client Session MIB. This compliance statement is for releases 6.2 and greater of AC (wireless switch) software.
ntwsClientSessionGroups	1.3.6.1.4.1.45.6.1.4.4.1.2.2
ntwsClientSessionCommonGroup	1.3.6.1.4.1.45.6.1.4.4.1.2.2.1			Mandatory group of objects implemented to provide Client Session info in releases 4.1 and 4.2 of AC (wireless switch) software. Replaced by ntwsClientSessClientSessionTableGroup, ntwsClientSessRoamingHistoryTableGroup, ntwsClientSessClientSessionStatisticsTableGroup.
ntwsClientSessScalarsGroup	1.3.6.1.4.1.45.6.1.4.4.1.2.2.2			Group of scalar objects implemented to provide general Client info in releases 5.0 and greater.
ntwsClientSessClientSessionTableGroup	1.3.6.1.4.1.45.6.1.4.4.1.2.2.3			Group of columnar objects implemented to provide Client Session info in releases 5.0 and 6.0. Replaced by ntwsClientSessClientSessionTableGroupRev2.
ntwsClientSessRoamingHistoryTableGroup	1.3.6.1.4.1.45.6.1.4.4.1.2.2.4			Group of columnar objects implemented to provide roaming history per Client Session in releases 5.0 and 6.0. Replaced by ntwsClientSessRoamingHistoryTableGroupRev2.
ntwsClientSessClientSessionStatisticsTableGroup	1.3.6.1.4.1.45.6.1.4.4.1.2.2.5			Group of columnar objects implemented to provide statistics per Client Session in releases 5.0 and greater.
ntwsClientSessClientSessionTableGroupRev2	1.3.6.1.4.1.45.6.1.4.4.1.2.2.6			Group of columnar objects implemented to provide Client Session info in releases 6.2 and greater.
ntwsClientSessRoamingHistoryTableGroupRev2	1.3.6.1.4.1.45.6.1.4.4.1.2.2.7			Group of columnar objects implemented to provide roaming history per Client Session in releases 6.2 and greater.

RFC description

Wireless client session management for Nortel wireless switches, tracking authentication, roaming, and access point associations.

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Download NTWS-CLIENT-SESSION-MIB

What Is NTWS-CLIENT-SESSION-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

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RFC description