TRAPEZE-NETWORKS-CLIENT-SESSION-MIB

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Organization: Trapeze Networks

Last Updated: 2012-04-20

Category: Wireless LAN Management

Description: Manages Trapeze Networks wireless client session state, association details, and roaming information.

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What Is TRAPEZE-NETWORKS-CLIENT-SESSION-MIB?

TRAPEZE-NETWORKS-CLIENT-SESSION-MIB is a Trapeze Networks (a wireless LAN vendor later acquired by Belden/Juniper) proprietary MIB for tracking individual wireless client sessions on its Mobility Exchange access controller (AC) architecture, where APs tunnel client traffic to a central AC that runs the SNMP agent. It exposes a per-client session table keyed by MAC address and session ID, recording the associated username, IP address, encryption type in use, assigned VLAN, the serial number and radio number of the access point serving the client, and the access/authentication method used. This is primarily a client/session-status monitoring MIB: an operator polls trpzClSessClientSessionTable to see which clients are currently associated, which AP and radio they're on, whether they authenticated via the expected method, and whether their VLAN/encryption assignment matches policy, which is useful for troubleshooting roaming issues or unauthorized access attempts rather than for chassis hardware sensors. It depends conceptually on Trapeze's broader AP/radio inventory MIBs, since sessions are cross-referenced by AP serial number and radio number defined elsewhere in Trapeze's MIB set. It is deployed on Trapeze Networks (Mobility Exchange) wireless controllers in enterprise WLAN deployments. Engineers can download the TRAPEZE-NETWORKS-CLIENT-SESSION-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TRAPEZE-NETWORKS-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

Trapeze Networks wireless LAN controller (Mobility Exchange)

Monitoring Examples

An administrator would walk trpzClSessClientSessionTable/trpzClSessClientSessionEntry to see, per trpzClSessClientSessMacAddress, the current trpzClSessClientSessIpAddress, trpzClSessClientSessVlan, and trpzClSessClientSessEncryptionType a client is using. Cross-referencing trpzClSessClientSessApSerialNum and trpzClSessClientSessRadioNum reveals exactly which AP and radio a roaming client is currently attached to. An unexpected trpzClSessClientSessAuthMethod or encryption type for a given username could indicate a client bypassing the intended security policy.

What Can Be Monitored

active client sessions (MAC/IP/username)
assigned VLAN and encryption type
serving AP serial number and radio
authentication/access method per session

Imported Objects

From INET-ADDRESS-MIB

InetAddress
InetAddressType

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

From TRAPEZE-NETWORKS-AP-TC

TrpzAccessType
TrpzApNum
TrpzApSerialNum
TrpzRadioNum
TrpzRadioRate
TrpzRssi

From TRAPEZE-NETWORKS-BASIC-TC

TrpzPhysPortNumberOrZero

From TRAPEZE-NETWORKS-CLIENT-SESSION-TC

TrpzClientAccessMode
TrpzClientAuthenProtocolType
TrpzClientDeviceGroupName
TrpzClientDeviceProfileName
TrpzClientDeviceType
TrpzClientSessionState
TrpzUserAccessType

From TRAPEZE-NETWORKS-ROOT-MIB

trpzMibs

OBJECT-IDENTITY

How to Use in IPNetwork Monitor

Example using trpzClSessClientSessStatsUniPktIn OID:

Select a Trapeze Networks wireless LAN controller, Mobility Exchange (per-client session/roaming status) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type trpzClSessClientSessStatsUniPktIn into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. It reports the unicast packets in. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
trpzClientSessionMib	1.3.6.1.4.1.14525.4.4			Client Session MIB. AP = Access Point; AC = Access Controller (wireless switch), the device that runs a SNMP Agent implementing this MIB. Copyright 2005-2012 Trapeze Networks, Inc. All rights reserved. This Trapeze Networks SNMP Management Information Base Specification (Specification) embodies Trapeze Networks' confidential and proprietary intellectual property. Trapeze Networks retains all title and ownership in the Specification, including any revisions. This Specification is supplied 'AS IS' and Trapeze Networks makes no warranty, either express or implied, as to the use, operation, condition, or performance of the Specification.
trpzClientSessionObjects	1.3.6.1.4.1.14525.4.4.1
trpzClientSessionDataObjects	1.3.6.1.4.1.14525.4.4.1.1
trpzClSessClientSessionTable	1.3.6.1.4.1.14525.4.4.1.1.1		not-accessible	Client Session Table.
trpzClSessClientSessionEntry	1.3.6.1.4.1.14525.4.4.1.1.1.1		not-accessible	Information about a particular client session.
MAC trpzClSessClientSessMacAddress	1.3.6.1.4.1.14525.4.4.1.1.1.1.1	MacAddress	not-accessible	Client MAC address.
STR trpzClSessClientSessSessionId	1.3.6.1.4.1.14525.4.4.1.1.1.1.2	DisplayString	read-only	Session ID is a string long enough to be sure we can make it unique over a long time.
STR trpzClSessClientSessUsername	1.3.6.1.4.1.14525.4.4.1.1.1.1.3	DisplayString	read-only	Client user name.
IP trpzClSessClientSessIpAddress	1.3.6.1.4.1.14525.4.4.1.1.1.1.4	IpAddress	read-only	Client IP address. If the client has no IP address, the value will be 0.0.0.0.
TRP trpzClSessClientSessEncryptionType	1.3.6.1.4.1.14525.4.4.1.1.1.1.5	TrpzEncryptionType	read-only	Encryption type.
STR trpzClSessClientSessVlan	1.3.6.1.4.1.14525.4.4.1.1.1.1.6	DisplayString	read-only	The name of the client VLAN.
TRP trpzClSessClientSessApSerialNum	1.3.6.1.4.1.14525.4.4.1.1.1.1.7	TrpzApSerialNum	read-only	Serial Number of the AP this client is connected to. It is a zero length string when wired access is used.
TRP trpzClSessClientSessRadioNum	1.3.6.1.4.1.14525.4.4.1.1.1.1.8	TrpzRadioNum	read-only	Number of the Radio that provides service to this client. It is 'not-applicable' when wired access is used.
TRP trpzClSessClientSessAccessType	1.3.6.1.4.1.14525.4.4.1.1.1.1.9	TrpzAccessType	read-only	Access type this client uses (via AP, DAP or wired). Obsoleted by trpzClSessClientSessAccessMode.
TRP trpzClSessClientSessAuthMethod	1.3.6.1.4.1.14525.4.4.1.1.1.1.10	TrpzAuthMethod	read-only	Authentication Method. Obsolete, use trpzClSessClientSessDot1xAuthMethod instead.
IP trpzClSessClientSessAuthServer	1.3.6.1.4.1.14525.4.4.1.1.1.1.11	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 trpzClSessClientSessPortOrNum	1.3.6.1.4.1.14525.4.4.1.1.1.1.12	Unsigned32	read-only	Port number. Obsoleted by trpzClSessClientSessApNum.
U32 trpzClSessClientSessVlanTag	1.3.6.1.4.1.14525.4.4.1.1.1.1.13	Unsigned32	read-only	VLAN tag.
TIM trpzClSessClientSessTimeStamp	1.3.6.1.4.1.14525.4.4.1.1.1.1.14	TimeStamp	read-only	Session start time stamp.
STR trpzClSessClientSessSsid	1.3.6.1.4.1.14525.4.4.1.1.1.1.15	DisplayString	read-only	SSID.
TRP trpzClSessClientSessState	1.3.6.1.4.1.14525.4.4.1.1.1.1.16	TrpzSessState	read-only	Session state. Deprecated, use trpzClSessClientSessSessionState instead.
TRP trpzClSessClientSessLoginType	1.3.6.1.4.1.14525.4.4.1.1.1.1.17	TrpzUserAccessType	read-only	Login type (mac, web, dot1x or last-resort).
TRP trpzClSessClientSessDot1xAuthMethod	1.3.6.1.4.1.14525.4.4.1.1.1.1.18	TrpzClientAuthenProtocolType	read-only	Dot1x Authentication Method.
TRP trpzClSessClientSessSessionState	1.3.6.1.4.1.14525.4.4.1.1.1.1.19	TrpzClientSessionState	read-only	Session non-intermediate state.
TRP trpzClSessClientSessAccessMode	1.3.6.1.4.1.14525.4.4.1.1.1.1.20	TrpzClientAccessMode	read-only	Access mode (type) this client uses (via AP or wired). Obsoletes trpzClSessClientSessAccessType since in 6.0 directly attached APs and DAPs were unified.
TRP trpzClSessClientSessApNum	1.3.6.1.4.1.14525.4.4.1.1.1.1.21	TrpzApNum	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 trpzClSessClientSessAccessMode = 'ap'. Obsoletes trpzClSessClientSessPortOrNum since in 6.0 directly attached APs and DAPs were unified.
TRP trpzClSessClientSessPhysPortNum	1.3.6.1.4.1.14525.4.4.1.1.1.1.22	TrpzPhysPortNumberOrZero	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 trpzClSessClientSessAccessMode = 'ap'). Meaningful when trpzClSessClientSessAccessMode = 'wired'.
TRP trpzClSessClientSessDeviceType	1.3.6.1.4.1.14525.4.4.1.1.1.1.23	TrpzClientDeviceType	read-only	The type of the client device. Is a zero length string if unknown or the device detection feature is disabled.
TRP trpzClSessClientSessDeviceGroup	1.3.6.1.4.1.14525.4.4.1.1.1.1.24	TrpzClientDeviceGroupName	read-only	The group that the detected client device type belongs to. Is a zero length string if the device type is unknown or the device detection feature is disabled.
TRP trpzClSessClientSessDeviceProfileName	1.3.6.1.4.1.14525.4.4.1.1.1.1.25	TrpzClientDeviceProfileName	read-only	The name of the device profile associated with the detected client device. A device profile is a collection of policies that apply to one or more types of client devices. Is a zero length string in 'detect-only' mode, if not set or if the device detection feature is disabled. In 'detect-only' mode policy enforcement is disabled.
trpzClSessRoamingHistoryTable	1.3.6.1.4.1.14525.4.4.1.1.2		not-accessible	Roaming History Table. Expansion of Client Session Table.
trpzClSessRoamingHistoryEntry	1.3.6.1.4.1.14525.4.4.1.1.2.1		not-accessible	Roaming History Entry.
MAC trpzClSessRoamHistMacAddress	1.3.6.1.4.1.14525.4.4.1.1.2.1.1	MacAddress	not-accessible	Client MAC address.
U32 trpzClSessRoamHistIndex	1.3.6.1.4.1.14525.4.4.1.1.2.1.2	Unsigned32	not-accessible	Entry index.
TRP trpzClSessRoamHistApSerialNum	1.3.6.1.4.1.14525.4.4.1.1.2.1.3	TrpzApSerialNum	read-only	Serial Number of the AP this client was connected to.
TRP trpzClSessRoamHistRadioNum	1.3.6.1.4.1.14525.4.4.1.1.2.1.4	TrpzRadioNum	read-only	Number of the Radio that provided service to this client.
TRP trpzClSessRoamHistAccessType	1.3.6.1.4.1.14525.4.4.1.1.2.1.5	TrpzAccessType	read-only	Access type used by this client (via AP, DAP or wired). Obsoleted by trpzClSessRoamHistAccessMode.
U32 trpzClSessRoamHistApNumOrPort	1.3.6.1.4.1.14525.4.4.1.1.2.1.6	Unsigned32	read-only	AP port number, DAP number, or Port number for wired access. Obsoleted by trpzClSessRoamHistApNum.
IP trpzClSessRoamHistIpAddress	1.3.6.1.4.1.14525.4.4.1.1.2.1.7	IpAddress	read-only	IP address of the AC (wireless switch) the client or AP was connected to.
TIM trpzClSessRoamHistTimeStamp	1.3.6.1.4.1.14525.4.4.1.1.2.1.8	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.
TRP trpzClSessRoamHistAccessMode	1.3.6.1.4.1.14525.4.4.1.1.2.1.9	TrpzClientAccessMode	read-only	Access mode (type) used by this client (via AP or wired). Obsoletes trpzClSessRoamHistAccessType since in 6.0 directly attached APs and DAPs were unified.
TRP trpzClSessRoamHistApNum	1.3.6.1.4.1.14525.4.4.1.1.2.1.10	TrpzApNum	read-only	The administratively assigned AP Number, unique on same AC (switch), regardless of how APs are attached to the AC. Obsoletes trpzClSessRoamHistApNumOrPort since in 6.0 directly attached APs and DAPs were unified.
TRP trpzClSessRoamHistPhysPortNum	1.3.6.1.4.1.14525.4.4.1.1.2.1.11	TrpzPhysPortNumberOrZero	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 trpzClSessRoamHistAccessMode = 'ap'). Meaningful when trpzClSessRoamHistAccessMode = 'wired'.
trpzClSessClientSessionStatisticsTable	1.3.6.1.4.1.14525.4.4.1.1.3		not-accessible	Client Session Statistics Table.
trpzClSessClientSessionStatisticsEntry	1.3.6.1.4.1.14525.4.4.1.1.3.1		not-accessible	Client Session Statistics Table Entry.
MAC trpzClSessClientSessStatsMacAddress	1.3.6.1.4.1.14525.4.4.1.1.3.1.1	MacAddress	not-accessible	Client MAC address.
C64 trpzClSessClientSessStatsUniPktInEx	1.3.6.1.4.1.14525.4.4.1.1.3.1.2	Counter64	read-only	Unicast packets in.
C64 trpzClSessClientSessStatsUniOctetIn	1.3.6.1.4.1.14525.4.4.1.1.3.1.3	Counter64	read-only	Unicast octets in.
C64 trpzClSessClientSessStatsUniPktOut	1.3.6.1.4.1.14525.4.4.1.1.3.1.4	Counter64	read-only	Unicast packets out.
C64 trpzClSessClientSessStatsUniOctetOut	1.3.6.1.4.1.14525.4.4.1.1.3.1.5	Counter64	read-only	Unicast octets out.
C64 trpzClSessClientSessStatsMultiPktIn	1.3.6.1.4.1.14525.4.4.1.1.3.1.6	Counter64	read-only	Multicast packets in.
C64 trpzClSessClientSessStatsMultiOctetIn	1.3.6.1.4.1.14525.4.4.1.1.3.1.7	Counter64	read-only	Multicast octets in.
C64 trpzClSessClientSessStatsEncErrPkt	1.3.6.1.4.1.14525.4.4.1.1.3.1.8	Counter64	read-only	Number of packets with encryption errors.
C64 trpzClSessClientSessStatsEncErrOctet	1.3.6.1.4.1.14525.4.4.1.1.3.1.9	Counter64	read-only	Number of octets with encryption errors.
TRP trpzClSessClientSessStatsLastRate	1.3.6.1.4.1.14525.4.4.1.1.3.1.10	TrpzRadioRate	read-only	Last packet data rate.
TRP trpzClSessClientSessStatsLastRssi	1.3.6.1.4.1.14525.4.4.1.1.3.1.11	TrpzRssi	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 trpzClSessClientSessStatsLastSNR	1.3.6.1.4.1.14525.4.4.1.1.3.1.12	Integer32	read-only	Last packet data Signal to Noise Ratio.
U32 trpzClSessTotalSessions	1.3.6.1.4.1.14525.4.4.1.1.4	Unsigned32	read-only	Total number of sessions.
trpzClSessClientAddressTable	1.3.6.1.4.1.14525.4.4.1.1.5		not-accessible	Client Address Table. This table contains the clients' Internet addresses. Each client may have one IPv4 address, one IPv6 link-local address and multiple IPv6 global addresses. Expansion of the Client Session Table.
trpzClSessClientAddressEntry	1.3.6.1.4.1.14525.4.4.1.1.5.1		not-accessible	An entry in the Client Address table. A client's MAC address together with an unsigned integer uniquely identify one of that client's Internet addresses.
U32 trpzClSessClientAddressIndex	1.3.6.1.4.1.14525.4.4.1.1.5.1.1	Unsigned32	not-accessible	Last part of the composite index of the Client Address table. The client is identified by the first part of the composite index: 'trpzClSessClientSessMacAddress'. Index 1 corresponds to the IPv4 address of the client. Index 2 corresponds to the IPv6 link-local address of the client. Indexes 3-9 are reserved for future use. Indexes starting at 10 correspond to IPv6 global addresses of the client; the number of IPv6 addresses per client may vary.
IPt trpzClSessClientAddressType	1.3.6.1.4.1.14525.4.4.1.1.5.1.2	InetAddressType	read-only	The address type of 'trpzClSessClientAddressValue'.
IP trpzClSessClientAddressValue	1.3.6.1.4.1.14525.4.4.1.1.5.1.3	InetAddress	read-only	Client Internet address. The type of this address is specified in 'trpzClSessClientAddressType'.
trpzClientSessionConformance	1.3.6.1.4.1.14525.4.4.1.2
trpzClientSessionCompliances	1.3.6.1.4.1.14525.4.4.1.2.1
trpzClientSessionCompliance	1.3.6.1.4.1.14525.4.4.1.2.1.1			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 trpzClientSessionComplianceRev2.
trpzClientSessionComplianceRev2	1.3.6.1.4.1.14525.4.4.1.2.1.2			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 trpzClientSessionComplianceRev3.
trpzClientSessionComplianceRev3	1.3.6.1.4.1.14525.4.4.1.2.1.3			The compliance statement for devices that implement the Client Session MIB. This compliance statement is for releases 6.2 to 7.7 of AC (wireless switch) software. This compliance statement is replaced by trpzClientSessionComplianceRev4.
trpzClientSessionComplianceRev4	1.3.6.1.4.1.14525.4.4.1.2.1.4			The compliance statement for devices that implement the Client Session MIB. This compliance statement is for releases 8.0 and greater of AC (wireless switch) software.
trpzClientSessionGroups	1.3.6.1.4.1.14525.4.4.1.2.2
trpzClientSessionCommonGroup	1.3.6.1.4.1.14525.4.4.1.2.2.1			Mandatory group of objects implemented to provide Client Session info in releases 4.1 and 4.2 of AC (wireless switch) software. Replaced by trpzClientSessClientSessionTableGroup, trpzClientSessRoamingHistoryTableGroup, trpzClientSessClientSessionStatisticsTableGroup.
trpzClientSessScalarsGroup	1.3.6.1.4.1.14525.4.4.1.2.2.2			Group of scalar objects implemented to provide general Client info in releases 5.0 and greater.
trpzClientSessClientSessionTableGroup	1.3.6.1.4.1.14525.4.4.1.2.2.3			Group of columnar objects implemented to provide Client Session info in releases 5.0 and 6.0. Replaced by trpzClientSessClientSessionTableGroupRev2.
trpzClientSessRoamingHistoryTableGroup	1.3.6.1.4.1.14525.4.4.1.2.2.4			Group of columnar objects implemented to provide roaming history per Client Session in releases 5.0 and 6.0. Replaced by trpzClientSessRoamingHistoryTableGroupRev2.
trpzClientSessClientSessionStatisticsTableGroup	1.3.6.1.4.1.14525.4.4.1.2.2.5			Group of columnar objects implemented to provide statistics per Client Session in releases 5.0 and greater.
trpzClientSessClientSessionTableGroupRev2	1.3.6.1.4.1.14525.4.4.1.2.2.6			Group of columnar objects implemented to provide Client Session info in releases 6.2 to 7.7.
trpzClientSessRoamingHistoryTableGroupRev2	1.3.6.1.4.1.14525.4.4.1.2.2.7			Group of columnar objects implemented to provide roaming history per Client Session in releases 6.2 and greater.
trpzClSessClientAddressTableGroup	1.3.6.1.4.1.14525.4.4.1.2.2.8			Group of columnar objects implemented to provide a complete listing of the clients' Internet addresses in releases 8.0 and greater.
trpzClientSessClientSessionTableGroupRev3	1.3.6.1.4.1.14525.4.4.1.2.2.9			Group of columnar objects implemented to provide Client Session info in releases 8.0 and greater.

RFC description

Client session management and statistics for Trapeze Networks wireless switches.

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Download TRAPEZE-NETWORKS-CLIENT-SESSION-MIB