PDN-FILTER-MIB

Description: Defines packet filter rule configuration, classifiers, and traffic-counter objects for access control on Paradyne xDSL equipment.

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PDN-FILTER-MIB is a Paradyne enterprise MIB defining packet-filter rule configuration, traffic classifiers, and related traffic counters used for access control on Paradyne xDSL access equipment. It exposes tables of IP filter configuration and filter-rule configuration per device, along with service/network-identifier (SNInjection) objects and a filter-related trap group. This supports software/security configuration status monitoring: an administrator uses it to confirm that access-control filter rules are correctly present and enabled on a given DSL access device, and to be alerted via filter-related traps when a rule changes or a filtering condition is triggered, which is important for catching misconfigured or bypassed access controls on subscriber lines. It builds on general IP packet-filtering concepts within Paradyne's own proprietary enterprise MIB tree, alongside other Paradyne (later Zhone) DSL-equipment MIBs. It is deployed on Paradyne/Zhone xDSL access equipment such as DSL access multiplexers or modems in ISP access networks enforcing subscriber-level traffic filtering. Engineers can download the PDN-FILTER-MIB file directly to load it into their MIB browser.

An administrator would inspect sysDevIpFilterConfigTableEntry and sysDevIpFilterRuleConfigTableEntry rows to confirm a specific IP filter rule is configured and active on a DSL access line, and would check sysDevSNInjectionType/sysDevSNInjectionVnid to verify service/VLAN injection settings tied to that filtering policy. Receiving a notification from sysDevFilterMIBTraps would reveal that a filter rule was changed or triggered on a subscriber's line, prompting a check for unauthorized access or a misapplied policy.

Configures IP packet filtering rules and filter injection on Paradyne network devices.