ZYXEL-IPV6-NDP-MIB

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Organization: Enterprise Solution ZyXEL

Last Updated: 2012-07-01

Category: ZyXEL Routing and IP Services

Description: Manages ZyXEL IPv6 Neighbor Discovery Protocol for address resolution and router discovery functions.

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What Is ZYXEL-IPV6-NDP-MIB?

ZYXEL-IPV6-NDP-MIB is a ZyXEL proprietary MIB covering IPv6 Neighbor Discovery Protocol (NDP) functions on ZyXEL networking devices, the IPv6 analogue of ARP plus router/prefix discovery. It exposes configuration and state data related to neighbor discovery, such as neighbor cache entries, router discovery behavior, and related IPv6 address-resolution parameters. As a protocol-status MIB it lets an administrator monitor the health of IPv6 address resolution on the device -- for example whether neighbor entries are being learned and remain reachable -- which is a software/protocol-state indicator rather than a physical hardware metric. It builds directly on the IETF IPv6 Neighbor Discovery standard (RFC 4861) and typically complements ZyXEL's other IPv6-related private MIBs. It is typically deployed on ZyXEL routers, switches, or security gateways running dual-stack or IPv6-only networks where administrators need visibility into IPv6 neighbor resolution, and can download the ZYXEL-IPV6-NDP-MIB file to load into their MIB browser for that purpose.

IPNetwork Monitor allows you to monitor SNMP objects defined in ZYXEL-IPV6-NDP-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/switch/security gateway

Monitoring Examples

No sample objects were provided for this module. Typically such a MIB would expose an IPv6 neighbor cache table that an administrator polls to confirm expected neighbors are in a reachable state and to detect stale or incomplete NDP entries indicating IPv6 connectivity problems, though specific object names cannot be cited here.

What Can Be Monitored

IPv6 neighbor cache entries
neighbor reachability state
router/prefix discovery parameters
IPv6 address resolution status

Imported Objects

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From P-BRIDGE-MIB

EnabledStatus

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus

From ZYXEL-ES-SMI

esMgmt

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
INT zyNdpDadAttempts	1.3.6.1.4.1.890.1.15.3.35.1.2.1.2	INTEGER	read-write	Enter the number of duplicate address detections transmits on an interface. Range of DAD Attempts is (0 to 600). The default value is 1.
INT zyNdpIfIndex	1.3.6.1.4.1.890.1.15.3.35.1.2.1.1	INTEGER	not-accessible	The index of NDP Interface.
INT zyNdpMaxNumberOfPrefixes	1.3.6.1.4.1.890.1.15.3.35.1.1	INTEGER	read-only	The maximum number of prefix entries that can be created.
INT zyNdpNsInterval	1.3.6.1.4.1.890.1.15.3.35.1.2.1.3	INTEGER	read-write	Enter the number of NS Interval Time.
INT zyNdpPrefixIfIndex	1.3.6.1.4.1.890.1.15.3.35.1.3.1.1	INTEGER	not-accessible	The index of the Prefix Interface.
ENA zyNdpPrefixNoAdvertiseFlagState	1.3.6.1.4.1.890.1.15.3.35.1.3.1.9	EnabledStatus	read-write	Enable Prefix No-Advertise Flag for an interface. The default value is disabled.
ENA zyNdpPrefixNoAutonomousFlagState	1.3.6.1.4.1.890.1.15.3.35.1.3.1.7	EnabledStatus	read-write	Enable Prefix No-Autonomous Flag for an interface. The default value is disabled.
ENA zyNdpPrefixNoOnLinkFlagState	1.3.6.1.4.1.890.1.15.3.35.1.3.1.8	EnabledStatus	read-write	Enable Prefix No-OnLink Flag for an interface. The default value is disabled.
U32 zyNdpPrefixPreferredLifetime	1.3.6.1.4.1.890.1.15.3.35.1.3.1.6	Unsigned32	read-write	Enter the number of Preferred Lifetime for the interface. Range of Preferred lifetime is (0 to 4294967295). The default value is 604800.
IP zyNdpPrefixPrefixIpAddress	1.3.6.1.4.1.890.1.15.3.35.1.3.1.3	InetAddress	not-accessible	The IPv6 prefix Address for the interface.
INT zyNdpPrefixPrefixLength	1.3.6.1.4.1.890.1.15.3.35.1.3.1.4	INTEGER	not-accessible	The IPv6 prefix length of the prefix.
IPt zyNdpPrefixPrefixType	1.3.6.1.4.1.890.1.15.3.35.1.3.1.2	InetAddressType	not-accessible	The type of IPv6 Prefix Address.
ROW zyNdpPrefixRowStatus	1.3.6.1.4.1.890.1.15.3.35.1.3.1.10	RowStatus	read-create	This object allows entry to be created and deleted an IPv6 prefix entry.
U32 zyNdpPrefixValidLifetime	1.3.6.1.4.1.890.1.15.3.35.1.3.1.5	Unsigned32	read-write	Enter the number of Valid Lifetime for the interface. Range of Valid lifetime is (0 to 4294967295). The default value is 2592000.
INT zyNdpReachableTime	1.3.6.1.4.1.890.1.15.3.35.1.2.1.4	INTEGER	read-write	Enter the number of Reachable Time.
zyxelIpv6Ndp	1.3.6.1.4.1.890.1.15.3.35			The subtree for IPv6 Neighbor Discovery Protocol
zyxelNdpEntry	1.3.6.1.4.1.890.1.15.3.35.1.2.1		not-accessible	An entry contains NDP configuration.
zyxelNdpPrefixEntry	1.3.6.1.4.1.890.1.15.3.35.1.3.1		not-accessible	An entry contains NDP prefix configuration.
zyxelNdpPrefixTable	1.3.6.1.4.1.890.1.15.3.35.1.3		not-accessible	The table contains NDP prefix configuration.
zyxelNdpSetup	1.3.6.1.4.1.890.1.15.3.35.1
zyxelNdpTable	1.3.6.1.4.1.890.1.15.3.35.1.2		not-accessible	The table contains NDP configuration.

RFC description

Manages IPv6 Neighbor Discovery Protocol configuration and prefix settings on ZyXEL devices.

Start monitoring ZyXEL router/switch/security gateway (IPv6 neighbor-cache/router-discovery 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-IPV6-NDP-MIB

What Is ZYXEL-IPV6-NDP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description