All MIBs › HUAWEI-CCC-MIB
Organization: Huawei Technologies Co., Ltd.
Last Updated: 2006-05-11
Category: MPLS and Traffic Engineering, Pseudowire, Vendor: Huawei
Description: Huawei CCC (Circuit Cross-Connect) MIB for managing Layer 2 circuit cross-connect services and point-to-point pseudowire connections.
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What Is HUAWEI-CCC-MIB?
HUAWEI-CCC-MIB is a Huawei private MIB for managing Circuit Cross-Connect (CCC) services, a mechanism for provisioning point-to-point Layer 2 pseudowire connections across an MPLS network (its description references KOMPELLA, an early BGP-based Layer 2 VPN signaling approach). It exposes objects for configuring and monitoring these Layer 2 cross-connect circuits between provider-edge devices. From a monitoring perspective, it would be used to confirm whether a given CCC/pseudowire circuit is up and correctly cross-connected, which is critical for detecting Layer 2 VPN service outages. This MIB depends on underlying MPLS and interface MIBs for the label-switched paths and physical/logical interfaces that CCC circuits ride over. It is deployed on Huawei provider-edge routers offering Layer 2 VPN (pseudowire) services in service-provider networks, and engineers can download the HUAWEI-CCC-MIB file to load into their MIB browser for reference.
IPNetwork Monitor allows you to monitor SNMP objects defined in HUAWEI-CCC-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
- Huawei provider-edge (PE) routers
Monitoring Examples
Without concrete object names captured for this MIB, a typical monitoring approach would poll a circuit/cross-connect table (analogous to standard PW-MIB or CCC-specific tables) keyed by circuit or VC ID, checking each entry's operational status to confirm the pseudowire between two provider-edge routers is up. An administrator would watch for a circuit unexpectedly transitioning to a down state, which indicates a break in the underlying MPLS LSP or a misconfigured cross-connect binding. This is used to verify point-to-point Layer 2 VPN service continuity across the core.
What Can Be Monitored
- cross-connect circuit operational status
- pseudowire/VC configuration
- circuit binding to MPLS LSP
Imported Objects
From HUAWEI-MIB
| hwDatacomm | OBJECT-IDENTITY |
From HUAWEI-VPLS-EXT-MIB
| HWEnableValue | |
| HWL2VpnStateChangeReason | |
| HWL2VpnVcEncapsType |
From IF-MIB
| InterfaceIndex | |
| InterfaceIndexOrZero |
From SNMPv2-CONF
| MODULE-COMPLIANCE | |
| NOTIFICATION-GROUP | |
| OBJECT-GROUP |
From SNMPv2-SMI
| Counter64 | |
| IpAddress | |
| MODULE-IDENTITY | |
| NOTIFICATION-TYPE | |
| OBJECT-TYPE | |
| Unsigned32 |
From SNMPv2-TC
| DisplayString | |
| RowStatus |
OIDs
RFC description
Manages Circuit Cross-Connection (CCC) virtual circuit configuration and KOMPELLA support.
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