All MIBs › ZXROSNG-TUNNEL-POLICY-MIB
Organization: IETF Operations and Management Area
Last Updated: 2016-10-17
Category: ZXROSNG Next-Generation Transport
Description: Manages ZTE ZXROSNG tunnel policy definitions for selecting and load-balancing traffic across MPLS tunnels.
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What Is ZXROSNG-TUNNEL-POLICY-MIB?
ZXROSNG-TUNNEL-POLICY-MIB is a ZTE MIB for the ZXROSNG platform that defines tunnel policy objects used to select and load-balance traffic across MPLS tunnels (including TE tunnels and pseudowires), building on textual conventions originally introduced for tunnel policy in RFC 3595. Its data is primarily configuration-oriented: named tunnel-policy instances specifying a tunnel selection method, fallback behavior, auto-creation of tunnels, and mappings to specific TE tunnels or ECMP groups, plus a result table for pseudowire (PW) tunnel selection outcomes. In monitoring terms it is used to verify that traffic-steering policy software is applying the intended tunnel-selection logic -- confirming which TE tunnel or ECMP group a given policy instance resolves to, and whether fallback to an alternate tunnel has been triggered -- rather than monitoring physical hardware health. It explicitly derives its textual conventions from RFC 3595, tying it to IETF tunnel-policy standards, and it interoperates with the device's MPLS-TE tunnel and route-map (RMP) infrastructure. It is typically deployed on ZXROSNG-based provider edge/core routers that use MPLS TE and pseudowires with policy-based traffic steering. Engineers implementing or auditing this functionality typically reference the ZXROSNG-TUNNEL-POLICY-MIB RFC/standard documentation for the authoritative specification.
IPNetwork Monitor allows you to monitor SNMP objects defined in ZXROSNG-TUNNEL-POLICY-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
- ZTE ZXROSNG-based router
Monitoring Examples
An admin would poll zxTunnelPolicyInstTable/zxTunnelPolicyInstEntry, indexed by zxTunnelPolicyInstName, to check zxTunnelPolicyInstTunnelSelectType and confirm whether a policy is using a specific zxTunnelPolicyInstTeTunnelName or an zxTunnelPolicyInstTeEcmpGroupId for load balancing across multiple TE tunnels. The zxTunnelPolicyInstDisableFallBack flag shows whether fallback to a non-preferred tunnel is disabled, which would explain traffic loss if the preferred tunnel goes down and zxTunnelPolicyInstAutoCreate is also off. zxTunnelPolicyPWSelectResultTable would be checked to confirm which tunnel a pseudowire actually resolved to, useful when troubleshooting a pseudowire that is not following its configured zxTunnelPolicyInstSelSeq selection sequence or referenced route-map (zxTunnelPolicyInstRmpName).
What Can Be Monitored
- tunnel policy selection type
- fallback behavior on tunnel failure
- auto-create tunnel setting
- TE tunnel/ECMP group binding per policy
- pseudowire tunnel selection result
- policy selection sequence and route-map reference
Imported Objects
From IPV6-TC
| Ipv6Address |
From SNMPv2-SMI
| IpAddress | |
| MODULE-IDENTITY | |
| OBJECT-TYPE | |
| Unsigned32 |
From SNMPv2-TC
| DisplayString | |
| TEXTUAL-CONVENTION |
From ZXR10-SMI
| zxr10RosngMIB | OBJECT-IDENTITY |
OIDs
RFC description
Manages tunnel policy configuration including tunnel selection, pseudowire, and VRF-based routing policy on ZTE ROS NG platforms.
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