All MIBs › ACC-ARP
Category: IP and Core Protocols, Vendor: ACC/Ericsson
Description:
Manages ARP (Address Resolution Protocol) configuration and proxy ARP settings on ACC/Ericsson routers, including ARP table management and timeout values.
Imported Objects
From ACC-FAKE
| DLCI | |
| frCircuitDlci | OBJECT-TYPE |
From ACC-MIB
| DisplayString | |
| IfIndex | |
| RowStatus | |
| SmdsAddress | |
| accBRG | OBJECT-IDENTITY |
From ACC-SYSTEM
| accTrapLogSeqNum | OBJECT-TYPE |
From RFC-1215
| TRAP-TYPE |
From RFC1155-SMI
| Counter | |
| IpAddress | |
| OBJECT-TYPE |
From RFC1213-MIB
| ipAdEntAddr |
What Is ACC-ARP?
ACC-ARP is a vendor-specific MIB from ACC (later acquired by Ericsson) for managing Address Resolution Protocol behavior on ACC access/dial routers, including ARP table entries, proxy ARP enablement, and ARP entry timeout values. It is a configuration and small-state MIB rather than a large counters MIB, exposing per-interface ARP settings and the resulting resolved address mappings. Its monitoring value is in confirming correct Layer 2/3 address resolution behavior on the router, since checking whether proxy ARP is enabled where expected and whether ARP entries are aging out and being refreshed correctly helps diagnose connectivity problems caused by stale or missing ARP mappings. It relies on the base IETF concepts of the standard ARP mechanism, similar in spirit to the ipNetToMedia table, though implemented as a proprietary ACC module. It is typically deployed on ACC/Ericsson dial-up and ISDN access routers used by service providers for remote-access network termination, making ACC-ARP SNMP monitoring a standard part of address-resolution troubleshooting on these platforms.
IPNetwork Monitor allows you to monitor SNMP objects defined in ACC-ARP. 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.
What Can Be Monitored
- ARP table entries/mappings
- proxy ARP enable state
- ARP entry timeout configuration
Supported Devices
- ACC/Ericsson dial-up or ISDN access router
Monitoring Examples
An admin would poll the router's ARP table entries and the proxy-ARP enable flag for a given interface to confirm a remote dial-in client's address is resolving correctly. A missing or stale ARP entry combined with an unexpectedly short configured timeout value would explain intermittent connectivity reports from that client's subnet.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| accArp | 1.3.6.1.4.1.5.1.1.11 | |||
| INT accArpTimeout | 1.3.6.1.4.1.5.1.1.11.1 | INTEGER | read-write | Aging timer value (in minutes) for ARP table entries. |
| accArpTable | 1.3.6.1.4.1.5.1.1.11.2 | not-accessible | The ARP (Address Resolution Protocol) table. This is an alternate view of the atTable. | |
| accArpEntry | 1.3.6.1.4.1.5.1.1.11.2.1 | not-accessible | A correspondence between logical (IP) and physical (MAC) addresses. | |
| OCT accArpPhysAddress | 1.3.6.1.4.1.5.1.1.11.2.1.1 | OCTET STRING | read-only | The Ethernet address of the ARP table entry. |
| IP accArpNetAddress | 1.3.6.1.4.1.5.1.1.11.2.1.2 | IpAddress | read-only | IP address of this entry. Set this object to NULL to delete an entry. |
| INT accArpEntStatus | 1.3.6.1.4.1.5.1.1.11.2.1.3 | INTEGER | read-only | Status of the ARP table entry. |
| INT accArpType | 1.3.6.1.4.1.5.1.1.11.3 | INTEGER | read-write | State of proxy ARP capability. |
| CTR accArpReqRcvds | 1.3.6.1.4.1.5.1.1.11.4 | Counter | read-only | Number of ARP Requests received. |
| CTR accArpReqSents | 1.3.6.1.4.1.5.1.1.11.5 | Counter | read-only | Number of ARP Requests sent. |
| CTR accArpRspRcvds | 1.3.6.1.4.1.5.1.1.11.6 | Counter | read-only | Number of ARP Responses received. |
| CTR accArpRspSents | 1.3.6.1.4.1.5.1.1.11.7 | Counter | read-only | Number of ARP Responses sent. |
| CTR accArpInErrs | 1.3.6.1.4.1.5.1.1.11.8 | Counter | read-only | Number of ARP input errors encountered. |
| CTR accArpOutErrs | 1.3.6.1.4.1.5.1.1.11.9 | Counter | read-only | Number of ARP output errors encountered. |
| CTR accArpUnknownProtos | 1.3.6.1.4.1.5.1.1.11.10 | Counter | read-only | Number of address resolution requests for which this ARP implementation did not recognize the protocol. |
| INT accArpPromiscuous | 1.3.6.1.4.1.5.1.1.11.11 | INTEGER | read-write | When operating promiscuously, the device will learn ARP information from all ARP packets received. When non-promiscuous, the device will learn information only from ARP packets addressed to the IP address of the device. |
| INT accArpRefresh | 1.3.6.1.4.1.5.1.1.11.12 | INTEGER | read-write | When operating in refresh mode, when it is time for an entry to age out, the device will refresh the entry by ARPing for it again. Devices will thus stay in the ARP table until disconnected, even if they are not communicating via the router. In norefresh mode, the entry will simply be aged out, and refreshed only if traffic warrants. |
| accArpAddressCheck | 1.3.6.1.4.1.5.1.1.11.13 | |||
| accArpTraps | 1.3.6.1.4.1.5.1.1.11.14 | |||
| NTF accArpDuplicateAddrTrap | 1.3.6.1.4.1.5.1.1.11.14.0.1 | Indicates that Duplicate addresss specified as value of second varbind received on the DLCI number specified as the value of third varbind. SEVERITY-DEFAULT: Warning EVENTTYPE-DEFAULT: 10 ADDITIONAL-TEXT-VARIABLES: { accTrapLogSeqNum,accArpTrapMsg } PCAUSE-DEFAULT: 5 | ||
| NTF accArpInvDevTypeTrap | 1.3.6.1.4.1.5.1.1.11.14.0.2 | Invalid device type was received SEVERITY-DEFAULT: Warning EVENTTYPE-DEFAULT: 10 ADDITIONAL-TEXT-VARIABLES: { accTrapLogSeqNum,accArpTrapMsg } PCAUSE-DEFAULT: 5 | ||
| NTF accArpDuplIpOnMacTrap | 1.3.6.1.4.1.5.1.1.11.14.0.3 | Duplicate IP address for a mac address SEVERITY-DEFAULT: Warning EVENTTYPE-DEFAULT: 10 ADDITIONAL-TEXT-VARIABLES: { accTrapLogSeqNum,accArpTrapMsg } PCAUSE-DEFAULT: 5 | ||
| STR accArpTrapMsg | 1.3.6.1.4.1.5.1.1.11.14.1 | DisplayString | read-write | Trap Message object for level-1 traps of ARP module |
RFC description
ACC-MIB vendor-private MIB for managing Address Resolution Protocol (ARP) tables and timeout configuration.
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