WLSX-ESI-MIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › WLSX-ESI-MIB

Organization: Aruba Wireless Networks

Last Updated: 2010-01-26

Category: Aruba Wireless Networking

Description: Manages Aruba wireless External Services Interface policy enforcement for third-party network services integration.

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What Is WLSX-ESI-MIB?

WLSX-ESI-MIB is Aruba Networks' vendor-specific module for the External Services Interface (ESI) feature on Aruba wireless controllers, which allows the controller to redirect traffic to third-party security/services appliances (such as IDS, firewall, or content-filtering devices) for policy enforcement. It exposes configuration and status data about ESI server groups, health-check probes, and the redirection policies tied to them, reflecting integration health between the Aruba controller and external service appliances rather than the controller's own radio hardware. Its monitoring value centers on software/service status: confirming that configured ESI servers are reachable and passing health checks, since a failed ESI server means traffic meant for inspection may be silently dropped or bypassed. It depends on the Aruba controller's broader WLAN management architecture and complements other Aruba WLSX MIBs (such as those for AP and RF status) rather than the IETF standard MIBs. It is typically deployed in enterprise wireless networks where an Aruba mobility controller is configured to redirect guest or untrusted traffic to third-party security appliances for inspection. Engineers can download the WLSX-ESI-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in WLSX-ESI-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

  • Aruba Networks wireless mobility controller

Monitoring Examples

An administrator would poll ESI server group health-check status objects to confirm each configured external services appliance (e.g., an IDS or firewall) is reachable and responding, alerting if a server drops out of rotation. ESI redirection policy objects would be checked to confirm traffic classification rules are correctly directing the intended client traffic to the external service group. A server marked down in the ESI health-check table would prompt investigation into whether traffic is now bypassing required security inspection. No specific object names were available in the source data for this module, so the above is inferred from its stated purpose of managing External Services Interface integration.

What Can Be Monitored

  • ESI server group reachability/health-check status
  • ESI redirection policy configuration
  • external service appliance availability
Imported Objects

From ARUBA-MIB

wlsxEnterpriseMibModulesOBJECT-IDENTITY

From ARUBA-TC

ArubaESIServerMode
ArubaESIServerStatus

From SNMPv2-CONF

OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
TEXTUAL-CONVENTION
Unsigned32
snmpModules

From SNMPv2-TC

DisplayString
MacAddress
PhysAddress
RowStatus
StorageType
TAddress
TDomain
TestAndIncr
TimeInterval
TruthValue
OIDs

RFC description

Extreme Networks vendor-private MIB for wireless LAN switch extensions and intelligent interface management.

Start monitoring Aruba Networks wireless mobility controllers 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 WLSX-ESI-MIB