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26 Network OS Message Reference

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System module descriptions

L2AG L2AG messages indicate problems with the Layer 2 system agent module. L2SS and L2AG

together control the Layer 2 forwarding engine and are responsible for MAC learning, aging, and

forwarding functionalities.

L2SS L2SS messages indicate problems with the Layer 2 system manager module. L2SS and L2AG

together control the Layer 2 forwarding engine and are responsible for MAC learning, aging, and

forwarding functionalities.

LACP LACP error messages indicate problems with the Link Aggregation Control Protocol module of the

Network OS.

LIC LIC messages indicate problems with the licensing module.

LOG LOG messages describe events and problems associated with the RASLog and Audit log facilities.

LSDB The link state database is a part of the FSPF protocol that maintains records on the status of port

links. This database is used to route frames.

MCST MCST messages indicate any problems associated with the Layer 2 and Layer 3.

MPTH Multicast path uses the shortest path first (SPF) algorithm to dynamically compute a broadcast

tree.

MS The Management Service (MS) enables the user to obtain information about the Fibre Channel

fabric topology and attributes by providing a single management access point.

MSTP MSTP messages indicate problems with Multiple Spanning Tree Protocol (MSTP) modules of the

Network OS.

NBFS NBFSM is a part of the fabric shortest path first (FSPF) protocol that handles a neighboring or

adjacent switch’s finite state machine (FSM).

Input to the FSM changes the local switch from one state to another, based on specific events. For

example, when two switches are connected to each other using an interswitch link (ISL) cable, they

are in the Init state. After both switches receive HELLO messages, they move to the Database

Exchange state, and so on.

NS NS messages indicate problems with the simple Name Server module.

NSM NSM messages indicate problems with the interface management and VLAN management

module of the Network OS.

ONMD ONMD messages indicate problems with the Operation, Administration and Maintenance module

of the Network OS.

OSPF OSPF messages indicate information or problems with the OSPF module of the Network OS.

PCAP PCAP messages indicate the status or information about the packet capture module.

PDM Parity data manager (PDM) is a user-space daemon responsible for the replication of persistent

configuration files from the primary partition to the secondary partition and from the active

management module to the standby management module.

PHP PHP messages indicate any important information associated with the discovery and creation,

deletion, and updating of the port profiles.

PIM PIM messages indicate problems with the Protocol-Independent Multicast (PIM) module.

PLAT PLAT messages indicate hardware problems.

PORT PORT messages refer to the front-end user ports on the switch. Front-end user ports are directly

accessible by users to connect end devices or connect to other switches.

QOSD QOSD messages indicate problems with the Quality of Service (QoS) module.

TABLE 8 System module descriptions (Continued)

System

module

Description

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 477 478

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