All MIBs › ZYXEL-IF-LOOPBACK-MIB
Organization: Enterprise Solution ZyXEL
Last Updated: 2012-07-01
Category: ZyXEL Routing and IP Services
Description: Manages ZyXEL loopback interface configuration for routing and management plane connectivity testing.
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What Is ZYXEL-IF-LOOPBACK-MIB?
ZYXEL-IF-LOOPBACK-MIB is a ZyXEL enterprise MIB defining the subtree for loopback interface configuration on ZyXEL routers and Layer 3 switches, covering creation and addressing of virtual loopback interfaces used for stable management and routing-protocol endpoints. It primarily exposes configuration data (loopback creation, IP address assignment, administrative state) rather than hardware sensor data. Its monitoring value lies in confirming a loopback interface stays administratively and operationally up, since loopbacks commonly serve as stable reachability targets for management access and routing router-IDs, making their status a useful proxy for overall device/software reachability. It depends on standard IF-MIB interface table conventions, since loopback interfaces are represented as entries in the standard interfaces table. It is deployed on ZyXEL routers/switches needing a stable loopback address for OSPF/BGP router-ID assignment, with the ZYXEL-IF-LOOPBACK-MIB OID tree providing consistent management access regardless of physical interface status.
IPNetwork Monitor allows you to monitor SNMP objects defined in ZYXEL-IF-LOOPBACK-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
- ZyXEL router/Layer 3 switch
Monitoring Examples
No sample objects were captured for this MIB, but such a module typically defines a loopback interface table holding the loopback index, assigned IP address, and administrative/operational status. An administrator would poll this table alongside ifOperStatus to confirm the loopback interface remains up; an unexpected down state would indicate a configuration or software fault affecting management reachability.
What Can Be Monitored
- loopback interface administrative status
- loopback interface operational status
- loopback IP address assignment
Imported Objects
From SNMPv2-SMI
| IpAddress | |
| MODULE-IDENTITY | |
| OBJECT-TYPE |
From SNMPv2-TC
| RowStatus |
From ZYXEL-ES-SMI
| esMgmt | OBJECT-IDENTITY |
OIDs
RFC description
Manages virtual loopback interfaces with IP address configuration and creation/deletion of loopback instances.
Start monitoring ZyXEL router/Layer 3 switch (loopback-interface creation/address/admin-state config status) 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.