ZYXEL-L2-IP-MIB

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Organization: Enterprise Solution ZyXEL

Last Updated: 2012-07-01

Category: ZyXEL Routing and IP Services

Description: Manages ZyXEL Layer 2 IP interface settings for VLAN-based routing interfaces on managed switches.

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What Is ZYXEL-L2-IP-MIB?

ZYXEL-L2-IP-MIB is a ZyXEL-specific configuration MIB that manages Layer 2 IP interface settings, specifically IP addressing for VLAN-based routing interfaces on ZyXEL managed switches. It falls under the configuration/interfaces category, exposing the subtree used to assign and manage IP addresses bound to layer-2 switch VLAN interfaces rather than raw hardware telemetry. Its monitoring value is primarily on the software/configuration side — confirming that VLAN interfaces have the expected IP address assigned and detecting misconfiguration or loss of an IP binding that could indicate a management-connectivity problem. It is a vendor private-enterprise MIB and likely depends on standard interface-indexing concepts (as in IF-MIB) even though it does not directly extend IETF standards. It is typically deployed on ZyXEL managed Layer 2/Layer 3 switches where VLAN interfaces need IP addresses for in-band management or routing. Engineers can download the ZYXEL-L2-IP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ZYXEL-L2-IP-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 managed switch

Monitoring Examples

Given only the module description ("the subtree for layer 2 switch ip address") and no explicit object names in the source excerpt, a concrete polling scenario cannot be grounded in named tables; in practice an administrator would expect a table mapping VLAN interface index to configured IP address and subnet mask, polled to confirm the switch's management VLAN retains its assigned address. Loss or unexpected change of that IP binding would indicate an accidental reconfiguration or a management-plane fault.

What Can Be Monitored

VLAN interface IP address assignment
layer 2 IP configuration status

Imported Objects

From P-BRIDGE-MIB

EnabledStatus

From SNMPv2-SMI

IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus

From ZYXEL-ES-SMI

esMgmt

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
zyxelL2Ip	1.3.6.1.4.1.890.1.15.3.38			The subtree for layer 2 switch ip address
zyxelLayer2IpSetup	1.3.6.1.4.1.890.1.15.3.38.1
IP zyLayer2IpDnsIpAddress	1.3.6.1.4.1.890.1.15.3.38.1.1	IpAddress	read-write	Enter a domain name server IP address in order to be able to use a domain name instead of an IP address.
INT zyLayer2IpDefaultMgmt	1.3.6.1.4.1.890.1.15.3.38.1.2	INTEGER	read-write	Specify which traffic flow (In-Band or Out-of-band) the switch is to send packets originating from it or packets with unknown source.
zyxelLayer2IpInbandDefaultSetup	1.3.6.1.4.1.890.1.15.3.38.1.3
INT zyLayer2IpInbandDefaultType	1.3.6.1.4.1.890.1.15.3.38.1.3.1	INTEGER	read-write	The type of in-band IP address.
INT zyLayer2IpInbandDefaultVid	1.3.6.1.4.1.890.1.15.3.38.1.3.2	INTEGER	read-write	The VLAN identification number associated with the switch IP address. This is the VLAN ID of the CPU and is used for management only.
IP zyLayer2IpInbandDefaultStaticIpAddress	1.3.6.1.4.1.890.1.15.3.38.1.3.3	IpAddress	read-write	IP address of your switch.
IP zyLayer2IpInbandDefaultStaticMask	1.3.6.1.4.1.890.1.15.3.38.1.3.4	IpAddress	read-write	The IP subnet mask of your switch.
IP zyLayer2IpInbandDefaultStaticGateway	1.3.6.1.4.1.890.1.15.3.38.1.3.5	IpAddress	read-write	IP address of the default outgoing gateway.
INT zyLayer2IpInbandMaxNumberOfInterfaces	1.3.6.1.4.1.890.1.15.3.38.1.4	INTEGER	read-only	The maximum number of in-band IP that can be created.
zyxelLayer2IpInbandTable	1.3.6.1.4.1.890.1.15.3.38.1.5		not-accessible	The table contains layer 2 IP in-band configuration.
zyxelLayer2IpInbandEntry	1.3.6.1.4.1.890.1.15.3.38.1.5.1		not-accessible	An entry contains layer 2 IP in-band configuration.
IP zyLayer2IpInbandIpAddress	1.3.6.1.4.1.890.1.15.3.38.1.5.1.1	IpAddress	not-accessible	IP address for managing the switch by the members of the VLAN specified in the VLAN ID field.
IP zyLayer2IpInbandMask	1.3.6.1.4.1.890.1.15.3.38.1.5.1.2	IpAddress	read-write	The IP subnet mask.
IP zyLayer2IpInbandGateway	1.3.6.1.4.1.890.1.15.3.38.1.5.1.3	IpAddress	read-write	The IP address of the default outgoing gateway.
INT zyLayer2IpInbandVid	1.3.6.1.4.1.890.1.15.3.38.1.5.1.4	INTEGER	not-accessible	Type the VLAN group identification number.
ENA zyLayer2IpInbandManageableState	1.3.6.1.4.1.890.1.15.3.38.1.5.1.5	EnabledStatus	read-write	Enable/Disable the specified IP address as manageable.
ROW zyLayer2IpInbandRowStatus	1.3.6.1.4.1.890.1.15.3.38.1.5.1.6	RowStatus	read-create	This object allows entries to be created and deleted from the in-band IP table.

RFC description

ZyXEL Layer 2 IP MIB for switch IP address configuration, DNS, and in-band/out-of-band management settings.

Start monitoring ZyXEL managed switch (VLAN-interface IP-address assignment 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.

Download ZYXEL-L2-IP-MIB

What Is ZYXEL-L2-IP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description