Noname Noname
    [Nocompany]
    We have the following system G3csiV11 Software Version: R011i.03.0.526.5.
    From time to time the system outputs major errors referring to PKT-BUS.
    I do not entirely understand what Packet Bus is and what it is intended for.
    Any help would be highly appreciated.
    Steven Schafetz
    [Federal Reserve System]
    I believe its very much like an internal ethernet construct. It is used during hairpinning a call. It keeps the TDM bus free from traffic if you are trancoding codecs.
    AvayaTier3 bsh bshamilton
    [B & D Consulting]
    packet bus can be used for isdn "d" channel, bri stations, clan, medpro, and ethernet data module traffic for g3si hardware platforms with Definity R7 and higher cm software and is controlled by the net/pkt interface. G3R has used packet bus controlled by tn778 way before g3v7. Prologix R6 and higher uses Bus Bridge and the packet bus is controlled by the processor. Packet Bus traffic between cabinets with fibers requires upgrading EI boards to tn776 v27 or tn570.
    Noname Noname
    [Nocompany]
    As I was told in our system there is not a packet bus as such. And functions of the packet bus are performed by some circuit pack. In our case by a C-LAN (because it is set as the Bus Bridge on the page 2 of MAINTENANCE-RELATED SYSTEM PARAMETERS). If it is so what do the following errors mean?
    PN 01 PKT-BUS 1793 0
    PN 01 PKT-BUS 1 1
    PN 01 PKT-BUS 3329 1
    PN 01 PKT-BUS 3585 0
    Steven Schafetz
    [Federal Reserve System]
    this is from the guide:

    The packet bus consists of a single bus, and one such bus appears in each port network. The
    packet bus in each port network is physically independent from those in other port networks, so
    each port network has a separate PKT-BUS MO. This bus supports the following types of
    connections:
    ● Logical control links between the media server and every PN
    ● ISDN-BRI D-channel transport (signaling)
    ● ASAI D-channel transport (signaling)
    ● ISDN-PRI D-channel (signaling)
    ● System Access Ports
    The TN2312AP IPSI circuit pack’s Packet Interface circuit provides an interface to the packet
    bus for the media server. Packet-bus testing depends on the TN771D Maintenance/Test circuit
    pack. Packet Bus tests will abort if the TN771D circuit pack is not inserted in the port network.
    The interactions between the packet bus and the circuit packs that use the bus are complex.
    Circuit pack failures can alarm the packet bus, while packet-bus faults can alarm or interrupt
    service to one or more circuit packs and their ports and endpoints. The Isolating and repairing
    packet-bus faults section in Maintenance Procedures for Avaya Communication Manager 4.0,
    Media Gateways and Servers, 03-300432 describes packet-bus maintenance and interactions
    with circuit packs. That section should be referenced for all troubleshooting and repairs. The
    flowchart is the normal starting point for experienced technicians.




    Error Type 1: Within the last minute, packet circuit packs have reported errors that indicate
    a possible packet bus failure. The Aux Data value is 1 or 2, indicating that only one or more
    than one Packet circuit pack (respectively) have reported a possible packet bus failure.
    Error Type 1793: Packet circuit packs have detected possible packet bus failures via inline
    error or via background test failure. Examine the Error and Alarm logs for more specific
    PKT-BUS errors

    Error Type 3329: Packet circuit pack, port, and endpoint maintenance has been disabled
    due to a packet bus failure. The Aux Data value indicates the cause:

    Aux Data Cause
    1 inline errors from packet circuit packs

    Keep in mind that although only packet circuit packs can detect and report packet bus
    problems, such problems can be caused by any circuit pack.


    Error Type 3585: Packet circuit pack, port, and endpoint maintenance has been disabled
    due to more than one circuit pack reporting inline errors. If this occurs more than three times
    in 15 minutes a Minor alarm is raised against the packet bus. This happens when
    maintenance is disabled due to errors and is then re-enabled because no more errors are
    reported.
    This error may still be present in the error log even though the Packet Circuit Pack Audit
    Test (#573) indicates that only one circuit pack is reporting a problem. This happens when
    more than one circuit pack has reported errors in any 1-minute interval since the packet bus
    fault occurred.

    All Times America/New_York


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