ZYXEL-PPPoE-MIB

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Organization: Enterprise Solution ZyXEL

Last Updated: 2012-07-01

Category: ZyXEL Routing and IP Services

Description: Manages ZyXEL PPPoE intermediate agent configuration for subscriber session identification on DSL access.

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What Is ZYXEL-PPPoE-MIB?

ZYXEL-PPPoE-MIB is a ZyXEL enterprise MIB that manages the PPPoE Intermediate Agent (PPPoE-IA) feature on their DSL/broadband access equipment, which inserts subscriber-identifying tags into PPPoE discovery packets. It exposes configuration data controlling PPPoE-IA behavior per interface/VLAN, such as enabling the intermediate agent and defining the circuit/remote-ID tag content used to identify subscriber sessions. Its monitoring relevance is software/configuration-state oriented -- confirming the PPPoE intermediate agent is enabled where expected and that subscriber identification tags are being inserted correctly -- rather than hardware sensors, useful for diagnosing subscriber session identification issues in access networks. It builds on the base PPPoE protocol concepts and complements standard access-node subscriber management practices, though no explicit standard MIB dependency is stated in the source. It is deployed on ZyXEL DSL access multiplexers (DSLAMs) and broadband access switches at the network edge, and engineers typically start with a ZYXEL-PPPoE-MIB download to load the module definitions into their SNMP tooling.

IPNetwork Monitor allows you to monitor SNMP objects defined in ZYXEL-PPPoE-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 DSLAM
ZyXEL broadband access switch

Monitoring Examples

An operator would check the PPPoE intermediate agent enable state on a given interface/VLAN to confirm subscriber tagging is active, and inspect the configured circuit-ID/remote-ID string format to verify it matches what the upstream BRAS expects for subscriber identification. Because sample_objects were empty in the source, no concrete table names can be cited, but a realistic scenario involves detecting that PPPoE sessions are failing to authenticate because the intermediate agent was left disabled on a subscriber-facing interface. This MIB is inferred to be configuration-oriented based on the general PPPoE-IA feature description.

What Can Be Monitored

PPPoE intermediate agent enable state
circuit-ID/remote-ID tag configuration
per-interface/VLAN PPPoE-IA settings

Imported Objects

From BRIDGE-MIB

dot1dBasePort

OBJECT-TYPE

From P-BRIDGE-MIB

EnabledStatus

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString
RowStatus

From ZYXEL-ES-SMI

esMgmt

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
zyxelPppoe	1.3.6.1.4.1.890.1.15.3.67			The subtree for Point-to-Point Protocol over Ethernet (PPPoE)
zyxelPppoeIaSetup	1.3.6.1.4.1.890.1.15.3.67.1
ENA zyPppoeIaState	1.3.6.1.4.1.890.1.15.3.67.1.1	EnabledStatus	read-write	Enable/Disable PPPoE intermediate agent globally on the switch.
STR zyPppoeIaAccessNodeIdString	1.3.6.1.4.1.890.1.15.3.67.1.2	DisplayString	read-write	Up to 20 alphanumeric characters to identify the PPPoE intermediate agent. Hyphens and spaces are also allowed. The default is the switch's host name.
ENA zyPppoeIaFlexibleCircuitIdSyntaxState	1.3.6.1.4.1.890.1.15.3.67.1.3	EnabledStatus	read-write	Enable/Disable this if you want the switch to add the user-defined identifier string and variables to PADI and PADR packets from PPPoE clients.
STR zyPppoeIaFlexibleCircuitIdSyntaxIdString	1.3.6.1.4.1.890.1.15.3.67.1.4	DisplayString	read-write	Specify a string that the switch adds in the agent Circuit ID sub-option.
INT zyPppoeIaFlexibleCircuitIdSyntaxOption	1.3.6.1.4.1.890.1.15.3.67.1.5	INTEGER	read-write	Select the variables that you want the switch to generate and add in the agnet circuit ID sub-option. The variable options include sp, sv,pv and spv which indicate combinations of slot-port, slot-VLAN, port-VLAN and slot-port-VLAN respectively.
INT zyPppoeIaFlexibleCircuitIdSyntaxDelimiter	1.3.6.1.4.1.890.1.15.3.67.1.6	INTEGER	read-write	Select a delimiter to spearate the identifier-string, slot ID, port number and/or VLAN ID from each other.
zyxelPppoeIaPortTable	1.3.6.1.4.1.890.1.15.3.67.1.7		not-accessible	The table contains PPPoE intermediate agent on the specified port configuration.
zyxelPppoeIaPortEntry	1.3.6.1.4.1.890.1.15.3.67.1.7.1		not-accessible	An entry contains PPPoE intermediate agent on the specified port configuration
ENA zyPppoeIaPortTrustState	1.3.6.1.4.1.890.1.15.3.67.1.7.1.1	EnabledStatus	read-write	Enable/Disable trusted port on the specified port. Trusted ports are uplink ports connected to PPPoE servers. If a PADO (PPPoE Active Discovery Offer), PADS (PPPoE Active Discovery Session-confirmation), or PADT (PPPoE Active Discovery Terminate) packet is sent from a PPPoE server and received on a trusted port, the Switch forwards it to all other ports. If a PADI or PADR packet is sent from a PPPoE client but received on a trusted port, the Switch forwards it to other trusted port(s). Untrusted ports are downlink ports connected to subscribers. If a PADI, PADR, or PADT packet is sent from a PPPoE client and received on an untrusted port, the Switch adds a vendor-specific tag to the packet and then forwards it to the trusted port(s). The Switch discards PADO and PADS packets which are sent from a PPPoE server but received on an untrusted port.
STR zyPppoeIaPortCircuitIdString	1.3.6.1.4.1.890.1.15.3.67.1.7.1.2	DisplayString	read-write	Enter a string of up to 63 ASCII characters that the switch adds into the Agent Circuit ID sub-option for PPPoE discovery packets received on this port. Spaces are allowed.
STR zyPppoeIaPortRemoteIdString	1.3.6.1.4.1.890.1.15.3.67.1.7.1.3	DisplayString	read-write	Enter a string of up to 63 ASCII characters that the switch adds into the Agent Remote ID sub-option for PPPoE discovery packets received on this port. Space are allows. If you do not specify a string here or in the Remote-id field for a VLAN on a port, the Switch automatically uses the PPPoE client's MAC address.
INT zyPppoeIaMaxNumberOfVlans	1.3.6.1.4.1.890.1.15.3.67.1.8	INTEGER	read-only	The maximum number of PPPoE IA vlan entries that can be created.
zyxelPppoeIaVlanTable	1.3.6.1.4.1.890.1.15.3.67.1.9		not-accessible	The table contains PPPoE intermediate agent for the specified VLAN configuration.
zyxelPppoeIaVlanEntry	1.3.6.1.4.1.890.1.15.3.67.1.9.1		not-accessible	An entry contains PPPoE intermediate agent for the specified VLAN configuration.
INT zyPppoeIaVlanVid	1.3.6.1.4.1.890.1.15.3.67.1.9.1.1	INTEGER	not-accessible	VLAN ID you want to configure.
ENA zyPppoeIaVlanCircuitIdState	1.3.6.1.4.1.890.1.15.3.67.1.9.1.2	EnabledStatus	read-write	Enable/Disable circuit ID setting for a specific VLAN take effect
ENA zyPppoeIaVlanRemoteIdState	1.3.6.1.4.1.890.1.15.3.67.1.9.1.3	EnabledStatus	read-write	Enable/Disable remote ID settings for a specific VLAN take effect.
ROW zyPppoeIaVlanRowStatus	1.3.6.1.4.1.890.1.15.3.67.1.9.1.4	RowStatus	read-create	This object allows entries to be created and deleted from the PPPoE IA VLAN table.
INT zyPppoeIaMaxNumberOfPortVlans	1.3.6.1.4.1.890.1.15.3.67.1.10	INTEGER	read-only	The maximum number of PPPoE IA per port per vlan entries that can be created.
zyxelPppoeIaPortVlanTable	1.3.6.1.4.1.890.1.15.3.67.1.11		not-accessible	The table contains PPPoE intermediate agent for the specified VLAN on the specified port configuration.
zyxelPppoeIaPortVlanEntry	1.3.6.1.4.1.890.1.15.3.67.1.11.1		not-accessible	An entry contains PPPoE intermediate agent for the specified VLAN on the specified port configuration
INT zyPppoeIaPortVlanVid	1.3.6.1.4.1.890.1.15.3.67.1.11.1.1	INTEGER	not-accessible	VLAN ID you want to configure.
STR zyPppoeIaPortVlanCircuitIdString	1.3.6.1.4.1.890.1.15.3.67.1.11.1.2	DisplayString	read-write	A string of up to 63 ASCII characters that the switch adds into the agent circuit ID sub-option for PPPoE discovery packets received on this VLAN on the specified port. The circuit ID you configure for a specific VLAN on a port has the highest priority.
STR zyPppoeIaPortVlanRemoteIdString	1.3.6.1.4.1.890.1.15.3.67.1.11.1.3	DisplayString	read-write	A string of up to 63 ASCII characters that the switch adds into the agent remote ID sub-option for PPPoE discovery packets received on this VLAN on the specified port. If you do not specify a string here or in the Remote-id field for a specific port, the Switch automatically uses the PPPoE client's MAC address. The remote ID you configure for a specific VLAN on a port has the highest priority.
ROW zyPppoeIaPortVlanRowStatus	1.3.6.1.4.1.890.1.15.3.67.1.11.1.4	RowStatus	read-create	This object allows entries to be created and deleted from the PPPoE IA port VLAN table.

RFC description

Manages Point-to-Point Protocol over Ethernet (PPPoE) intermediate agent configuration on ZyXEL switches for VLAN and access node settings.

Start monitoring ZyXEL DSLAM, ZyXEL broadband access switch (PPPoE Intermediate Agent per-interface/VLAN 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-PPPoE-MIB

What Is ZYXEL-PPPoE-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description