ELTEX-TUNNEL-MIB

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Organization: Eltex

Last Updated: 2015-12-29

Category: Technology: VPN, Vendor: Eltex

Description: Manages tunnel interface configuration and operational state on Eltex devices, including GRE and IP-in-IP tunnel parameters.

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What Is ELTEX-TUNNEL-MIB?

ELTEX-TUNNEL-MIB manages WiFi tunnel interfaces on Eltex devices, providing configuration and operational state for tunnels used to backhaul or encapsulate wireless traffic independent of the specific encapsulation scheme (e.g., GRE-like or IP-in-IP style tunneling) in use. It exposes a table of per-tunnel configuration objects covering endpoint addressing, encapsulation method, and administrative status. Its monitoring role is chiefly configuration and operational-status visibility for tunnel interfaces, letting an administrator confirm whether a given WiFi tunnel is enabled and correctly addressed, which is a software-state health check for wireless backhaul connectivity rather than a hardware sensor. It builds on general IP addressing conventions (InetAddressType/InetAddress style typed addressing) common to IETF tunnel and address MIBs. It is deployed on Eltex wireless access points or controllers that use tunneled architectures to centralize WiFi traffic back to a controller or gateway, typically after an ELTEX-TUNNEL-MIB download to load the module into a MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ELTEX-TUNNEL-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

Eltex WiFi access point
Eltex wireless controller

Monitoring Examples

An administrator would poll tunnelWiFiConfigTable, indexed by tunnelWiFiConfigID (or tunnelWiFiConfigIfIndex), to check tunnelWiFiConfigLocalAddress and tunnelWiFiConfigRemoteAddress alongside tunnelWiFiConfigEncapsMethod to confirm a wireless tunnel is correctly configured between an access point and its controller. The tunnelWiFiConfigStatus object reveals whether that tunnel entry is active/enabled or disabled, and a tunnel unexpectedly showing a down or not-in-service status would explain a loss of WiFi backhaul connectivity for the associated access point, while tunnelWiFiConfigMode and tunnelWiFiConfigDefaultProfile indicate which operating mode and default profile the tunnel is using.

What Can Be Monitored

WiFi tunnel local/remote endpoint address
tunnel encapsulation method
tunnel administrative/operational status
tunnel mode and default profile

Imported Objects

From ELTEX-SMI-ACTUAL

eltexLtd

MODULE-IDENTITY

From IANAifType-MIB

IANAtunnelType

From IF-MIB

InterfaceIndexOrZero
ifIndex	OBJECT-TYPE

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE
transmission

From SNMPv2-TC

RowStatus
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
eltexTunnelMIB	1.3.6.1.4.1.35265.21			The MIB module for management of WiFi Tunnels, independent of the specific encapsulation scheme in use.
tunnelWiFiConfigTable	1.3.6.1.4.1.35265.21.1		not-accessible	The (conceptual) table containing information on configured Wi-Fi tunnels. This table can be used to map a set of WiFi tunnel endpoints to the associated ifIndex value. It can also be used for row creation. Note that every row in the tunnelIfTable with a fixed IPv4 destination address should have a corresponding row in the tunnelWiFiConfigTable, regardless of whether it was created via SNMP. This table does not support IPv6.
tunnelWiFiConfigEntry	1.3.6.1.4.1.35265.21.1.1		not-accessible	An entry (conceptual row) containing the information on a particular configured tunnel.
IPt tunnelWiFiConfigLocalAddressType	1.3.6.1.4.1.35265.21.1.1.1	InetAddressType	not-accessible	The type of address in the corresponding tunnelWiFiConfigLocalAddress.
IP tunnelWiFiConfigLocalAddress	1.3.6.1.4.1.35265.21.1.1.2	InetAddress	not-accessible	The address of the local endpoint of the Wi-Fi tunnel, or 0.0.0.0 if the device is free to choose any of its addresses at Wi-Fi tunnel establishment time.
IPt tunnelWiFiConfigRemoteAddressType	1.3.6.1.4.1.35265.21.1.1.3	InetAddressType	not-accessible	The type of address in the corresponding tunnelWiFiConfigRemoteAddress.
IP tunnelWiFiConfigRemoteAddress	1.3.6.1.4.1.35265.21.1.1.4	InetAddress	not-accessible	The address of the remote endpoint of the Wi-Fi tunnel.
IAN tunnelWiFiConfigEncapsMethod	1.3.6.1.4.1.35265.21.1.1.5	IANAtunnelType	not-accessible	The encapsulation method used by the Wi-Fi tunnel.
I32 tunnelWiFiConfigID	1.3.6.1.4.1.35265.21.1.1.6	Integer32	not-accessible	An identifier used to distinguish between multiple Wi-Fi tunnels of the same encapsulation method, with the same endpoints. If the encapsulation protocol only allows one tunnel per set of endpoint addresses (such as for GRE or IP-in-IP), the value of this object is 1. For encapsulation methods (such as L2F) which allow multiple parallel tunnels, the manager is responsible for choosing any ID which does not conflict with an existing row, such as choosing a random number.
NUM tunnelWiFiConfigIfIndex	1.3.6.1.4.1.35265.21.1.1.7	InterfaceIndexOrZero	read-only	If the value of tunnelWiFiConfigStatus for this row is active, then this object contains the value of ifIndex corresponding to the Wi-Fi tunnel interface. A value of 0 is not legal in the active state, and means that the interface index has not yet been assigned.
ROW tunnelWiFiConfigStatus	1.3.6.1.4.1.35265.21.1.1.8	RowStatus	read-create	The status of this row, by which new entries may be created, or old entries deleted from this table. The agent need not support setting this object to createAndWait or notInService since there are no other writable objects in this table, and writable objects in rows of corresponding tables such as the tunnelIfTable may be modified while this row is active. To create a row in this table for an encapsulation method which does not support multiple parallel tunnels with the same endpoints, the management station should simply use a tunnelWiFiConfigID of 1, and set tunnelWiFiConfigStatus to createAndGo. For encapsulation methods such as L2F which allow multiple parallel tunnels, the management station may select a pseudo-random number to use as the tunnelConfigID and set tunnelConfigStatus to createAndGo. In the event that this ID is already in use and an inconsistentValue is returned in response to the set operation, the management station should simply select a new pseudo-random number and retry the operation. Creating a row in this table will cause an interface index to be assigned by the agent in an implementation-dependent manner, and corresponding rows will be instantiated in the ifTable and the tunnelIfTable. The status of this row will become active as soon as the agent assigns the interface index, regardless of whether the interface is operationally up. Deleting a row in this table will likewise delete the corresponding row in the ifTable and in the tunnelIfTable.
INT tunnelWiFiConfigMode	1.3.6.1.4.1.35265.21.1.1.9	INTEGER	read-only	Type of Wi-Fi tunnel: notConfigured(0), management(1), data(2).
T/F tunnelWiFiConfigDefaultProfile	1.3.6.1.4.1.35265.21.1.1.10	TruthValue	read-only	If an instance of this object has the value true, this tunnel is a template for create other tunnels and has ip address 0.0.0.0

RFC description

Eltex WiFi tunnel configuration and management with IPv4/IPv6 encapsulation.

Start monitoring Eltex WiFi access point/wireless controller (WiFi tunnel interfaces) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download ELTEX-TUNNEL-MIB

What Is ELTEX-TUNNEL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description