AIPPP-MIB

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Organization: Applied Innovation Inc.

Last Updated: 1999-09-15

Category: Network Interfaces

Description: Manages PPP link configuration and negotiation status on AI-series network access devices for WAN connectivity.

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What Is AIPPP-MIB?

AIPPP-MIB is a vendor-specific module for AI-series network access/remote-access devices (dial and WAN aggregation gear), extending the standard PPP MIBs with vendor-specific link options. It exposes configuration and negotiation-status data for PPP links, including NCP protocol options, IP addressing negotiated over the link (source, destination, subnet, broadcast), and security/authentication settings such as RADIUS and local security options. Its main monitoring value is software/configuration status rather than hardware health: administrators use it to confirm that a given PPP link has negotiated the expected IP parameters and security mode, and to check whether multilink PPP is bonded correctly. The module explicitly supplements the standard PPP MIBs, depending on them for baseline PPP link state. It is typically deployed in dial-up or leased-line WAN access equipment where PPP is used to establish point-to-point connections to remote sites or dial-in users, with the AIPPP-MIB MIB serving as the vendor reference for these PPP link extensions.

IPNetwork Monitor allows you to monitor SNMP objects defined in AIPPP-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

AI-series WAN access/remote-access router or dial concentrator

Monitoring Examples

An operator would index into aiPPPTable/aiPPPEntry by aipppLinkNumber and inspect aipppIpSrcAddr, aipppIpDestAddr, and aipppIpSubnetMask to confirm the negotiated IP addressing for a given PPP session. Checking aipppLocalSecurityOption and aipppRemoteSecurityOption reveals whether the expected authentication scheme (e.g. RADIUS via aipppLocalRadiusOption) is in effect on that link. If aipppMultilinkOption shows multilink is enabled but only one physical link is up, that flags a bonding/negotiation failure worth investigating.

What Can Be Monitored

PPP link negotiated IP address/subnet
PPP NCP protocol option
local/remote security (authentication) option
RADIUS option status
multilink PPP bonding status

Imported Objects

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
enterprises

From SNMPv2-TC

DisplayString
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
aii	1.3.6.1.4.1.539
aiPPP	1.3.6.1.4.1.539.25			MIB module for PPP options not covered in the standard PPP MIBS
aiPPPTable	1.3.6.1.4.1.539.25.1		not-accessible	Table of PPP information indexed by link number. Includes enable/disable for each NCP Type (IPCP and BCP), and IP interface parameters.
aiPPPEntry	1.3.6.1.4.1.539.25.1.1		not-accessible	Entry of aiPPPTable.
NUM aipppLinkNumber	1.3.6.1.4.1.539.25.1.1.1	PositiveInteger	read-only	Link number to which this table row applies.
INT aipppNCPProtoOption	1.3.6.1.4.1.539.25.1.1.2	INTEGER	read-write	NCP Protocol(s) option for this link: ipcp(1): Link will attempt to negotiate IPCP bcp(2): Link will attempt to negotiate BCP. ipcp_bcp(3): Link will attempt to negotiate IPCP and BCP.
INT aipppLocalSecurityOption	1.3.6.1.4.1.539.25.1.1.3	INTEGER	read-write	Authentication protocol enabled for this link: none(1): Link will not attempt authentication. pap(2): Link will attempt PAP authentication. chap(3): Link will attempt CHAP authentication.
IP aipppIpSrcAddr	1.3.6.1.4.1.539.25.1.1.4	IpAddress	read-write	The source IP address for the IP interface.
IP aipppIpDestAddr	1.3.6.1.4.1.539.25.1.1.5	IpAddress	read-write	The destination IP address for the IP interface.
IP aipppIpSubnetMask	1.3.6.1.4.1.539.25.1.1.6	IpAddress	read-write	The subnet mask associated with the IP address of this entry. The value of the mask is an IP address with all the network bits set to 1 and all the hosts bits set to 0.
I32 aipppIpBcastAddr	1.3.6.1.4.1.539.25.1.1.7	Integer32	read-write	The value of the least-significant bit in the IP broadcast address used for sending datagrams on the (logical) interface associated with the IP address of this entry. For example, when the Internet standard all-ones broadcast address is used, the value will be 1. This value applies to both the subnet and network broadcast addresses used by the entity on this (logical) interface.
INT aipppLocalRadiusOption	1.3.6.1.4.1.539.25.1.1.8	INTEGER	read-write	Authentication protocol enabled for this link: disabled(1): Authenticate using local security settings for the link. enabled(2): Authenticate using remote Radius server(s), and if Radius server(s) do not respond, the connection will fail. localfallback(3): Authenticate using remote Radius server(s), and if Radius server(s) do not respond, authentication will be attempted using local security settings for the link.
INT aipppRemoteSecurityOption	1.3.6.1.4.1.539.25.1.1.9	INTEGER	read-write	Authentication protocol enabled for this link: none(1): Link will not attempt authentication. pap(2): Link will attempt PAP authentication. chap(3): Link will attempt CHAP authentication.
INT aipppMultilinkOption	1.3.6.1.4.1.539.25.1.1.10	INTEGER	read-write	Multilink options for this link: reject(1): Attempts from the remote host to configure this link as a bundled link will be rejected. request(2): The host will request that this link be bundled with other links with the same multilink group identifier.
INT aipppMLGroup	1.3.6.1.4.1.539.25.1.1.11	INTEGER	read-write	The multilink group to assign this link to. Links with the same multilink group identifier will be bundled together.

RFC description

Applied Innovation PPP MIB for managing PPP options, protocol configuration, and interface parameters on dialup links.

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Download AIPPP-MIB

What Is AIPPP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description