TIMETRA-FILTER-MIB

Description: Manages Nokia/Alcatel-Lucent 7750 SR IP and MAC filter policy configuration and match criteria.

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TIMETRA-FILTER-MIB is a Nokia (formerly Alcatel-Lucent) proprietary MIB for the 7750 SR and related SR OS-based routers, used to configure and manage IP and MAC packet-filter (ACL) policies applied to interfaces and services. It exposes configuration data for filter policies and their entries — filter IDs, scope, default action, description, and insertion points for features like RADIUS-based or credit-control filter-entry insertion — rather than raw traffic counters. Its role in monitoring is chiefly around configuration-state and capacity tracking: an operator can check tIPFilterRowStatus to confirm a filter policy is active, and watch high-water-mark objects like tIPFilterSubInsertHighWmark to see how close dynamically-inserted subscriber filter entries are to exhausting the policy's entry capacity, which is a useful proxy for software/control-plane health under load. Objects under the TIMETRA-FILTER-MIB OID branch let an NMS enumerate every configured filter policy on a 7750 SR and track its capacity state without needing separate vendor tooling. It is part of the broader TIMETRA-* MIB family for SR OS and depends on that platform's service and interface MIBs (e.g., TIMETRA-VRTR-MIB) for the contexts to which filters are applied. It is deployed in service-provider networks running Alcatel-Lucent/Nokia 7750 SR routers for edge and core traffic-filtering policy enforcement.

An operator managing a 7750 SR would poll tIPFilterTable/tIPFilterEntry to enumerate configured IP filters, checking tIPFilterRowStatus and tIPFilterDefaultAction to confirm each policy is active and behaving as expected (permit vs. deny by default). Watching tIPFilterSubInsertHighWmark alongside tIPFilterCreditCntrlInsertPt/tIPFilterRadiusInsertPt reveals whether dynamically-inserted subscriber-aware filter entries (inserted via RADIUS or credit-control triggers) are approaching the filter's maximum entry capacity, which would signal a risk of new subscriber sessions failing to get their filter entries applied. This is primarily a policy-configuration and capacity-monitoring scenario rather than a hardware-health one.

Vendor-private MIB for Nokia (formerly Timetra) packet filtering and access control list management.