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29 Cards in this Set

  • Front
  • Back

What is E Port?

In expansion port (E port) mode




an interface functions as a fabric expansion port.




This port may be connected to another E port to create an Inter-Switch Link (ISL) between two switches. E ports carry frames between switches for configuration and fabric management.




They serve as a conduit between switches for frames destined to remote N ports and NL ports. E ports support class 2, class 3, and class F service.

F Port

In fabric port (F port) mode




An interface functions as a fabric port.




This port may be connected to a peripheral device (host or disk) operating as an N port. An F port can be attached to only one N port.




F ports support class 2 and class 3 service.

FL Port

In fabric loop port (FL port) mode




an interface functions as a fabric loop port.




This port may be connected to one or more NL ports (including FL ports in other switches) to form a public arbitrated loop.




If more than one FL port is detected on the arbitrated loop during initialization, only one FL port becomes operational and the other FL ports enter nonparticipating mode.




FL ports support class 2 and class 3 service.

NP Ports

An NP port is a port on a device that is in NPV (N_port virtualization) mode and connected to the core switch via an F port.




Note:


NP ports behave like N ports except that in addition to providing N port behavior, they also function as proxies for multiple, physical N ports.

TL Port

In translative loop port (TL port) mode,




An interface functions as a translative loop port. It may be connected to one or more private loop devices (NL ports).




TL ports are specific to Cisco MDS 9000 Family switches and have similar properties as FL ports.




TL ports enable communication between a private loop device and one of the following devices:


  • A device attached to any switch on the fabric
  • A device on a public loop anywhere in the fabric
  • A device on a different private loop anywhere in the fabric
  • A device on the same private loop TL ports support class 2 and class 3 services.

TE Port

In trunking E port (TE port) mode,




an interface functions as a trunking expansion port. It may be connected to another TE port to create an extended ISL (EISL) between two switches.


TE ports are specific to Cisco MDS 9000 Family switches. They expand the functionality of E ports to support the following:



  • VSAN trunking
  • Transport quality of service (QoS) parameters
  • Fibre Channel trace (fctrace) feature

TNP Port

In trunking NP port (TNP port) mode




an interface functions as a trunking expansion port. It may be connected to a trunked F port (TF port) to create a link to a core NPIV switch from an NPV switch to carry tagged frames.

SD Port

In SPAN destination port (SD port) mode




an interface functions as a switched port analyzer (SPAN).




The SPAN feature is specific to switches in the Cisco MDS 9000 Family.




It monitors network traffic that passes though a Fibre Channel interface.




This monitoring is done using a standard Fibre Channel analyzer (or a similar switch probe) that is attached to an SD port. SD ports do not receive frames, they merely transmit a copy of the source traffic.




The SPAN feature is nonintrusive and does not affect switching of network traffic for any SPAN source ports

ST Port

In the SPAN tunnel port (ST port) mode




an interface functions as an entry point port in the source switch for the RSPAN Fibre Channel tunnel.




The ST port mode and the remote SPAN (RSPAN) feature are specific to switches in the Cisco MDS 9000 Family.




When configured in ST port mode, the interface cannot be attached to any device, and thus cannot be used for normal Fibre Channel traffic

Fx Port

Interfaces configured as Fx ports can operate in either F port or FL port mode.




The Fx port mode is determined during interface initialization depending on the attached N port or NL port.




This administrative configuration disallows interfaces to operate in any other mode—for example, preventing an interface to connect to another switch.

B Port

Bridge Port




While E ports typically interconnect Fibre Channel switches, some SAN extender devices, such as the Cisco PA-FC-1G Fibre Channel port adapter, implement a bridge port (B port) model to connect geographically dispersed fabrics.




This model uses B ports as described in the T11 Standard FC-BB-2

Auto Mode

Interfaces configured in auto mode can operate in one of the following modes: F port, FL port, E port, TE port, or TF port.




The port mode is determined during interface initialization. For example, if the interface is connected to a node (host or disk), it operates in F port or FL port mode depending on the N port or NL port mode.




If the interface is attached to a third-party switch, it operates in E port mode. If the interface is attached to another switch in the Cisco MDS 9000 Family, it may become operational in TE port mode

N Port Identifier Virtualization

N port identifier virtualization (NPIV)




provides a means to assign multiple FC IDs to a single N port.




This feature allows multiple applications on the N port to use different identifiers and allows access control, zoning, and port security to be implemented at the application level

Operational State Trunking

Interface is operational in TE or TF mode

What is SPAN?

Switched Port Analyzer






It monitors network traffic through a Fibre Channel interface. Traffic through any Fibre Channel interface can be replicated to a special port called the SPAN destination port (SD port). Any Fibre Channel port in a switch can be configured as an SD port. Once an interface is in SD port mode, it cannot be used for normal data traffic. You can attach a Fibre Channel Analyzer to the SD port to monitor SPAN traffic

What is ERSPAN

Encapsulated remote switched port analyzer



is used to transport mirrored traffic in an IP network.




ERSPAN supports source ports, source VLANs, and destinations on different switches, which provide remote monitoring of multiple switches across your network.




ERSPAN uses a generic routing encapsulation (GRE) tunnel to carry traffic between switches.ERSPAN consists of an ERSPAN source session, routable ERSPAN GRE-encapsulated traffic, and an ERSPAN destination session.




You separately configure ERSPAN source sessions and destination sessions on different switches.To configure an ERSPAN source session on one switch, you associate a set of source ports or VLANs with a destination IP address, ERSPAN ID number, and virtual routing and forwarding (VRF) name.




To configure an ERSPAN destination session on another switch, you associate the destinations with the source IP address, the ERSPAN ID number, and a VRF name.The ERSPAN source session copies traffic from the source ports or source VLANs and forwards the traffic using routable GRE-encapsulated packets to the ERSPAN destination session.




The ERSPAN destination session switches the traffic to the destinations.

Switch Profiles

Configuration synchronization allows administrators to make configuration changes on one switch and have the system automatically synchronize the configuration to a peer switch.




This feature eliminates misconfigurations and reduces the administrative overhead.The configuration synchronization mode (config-sync) allows users to create switch profiles to synchronize local and peer switch.

Module Pre-Provisioning

Module pre-provisioning feature allows users to pre-configure interfaces before inserting or attaching a module to a Cisco Nexus Series switch.




If a module goes offline, users can also use pre-provisioning to make changes to the interface configurations for the offline module.

Cisco Fabric Services

The Cisco MDS NX-OS software uses the Cisco Fabric Services (CFS) infrastructure to enable efficient database distribution and to promote device flexibility.




CFS simplifies SAN provisioning by automatically distributing configuration information to all switches in a fabric.

Precision Time Protocol

The Precision Time Protocol (PTP) is a time synchronization protocol for nodes distributed across a network.




Its hardware timestamp feature provides greater accuracy than other time synchronization protocols such as Network Time Protocol (NTP).

User Accounts and RBAC

User accounts and role-based access control (RBAC) allow you to define the rules for an assigned role.




Roles restrict the authorization that the user has to access management operations. Each user role can contain multiple rules and each user can have multiple roles.

Session Manager

Session Manager allows you to create a configuration and apply it in batch mode after the configuration is reviewed and verified for accuracy and completeness.

Online Diagnostics

Cisco Generic Online Diagnostics (GOLD) define a common framework for diagnostic operations across Cisco platforms.




The online diagnostic framework specifies the platform-independent fault-detection architecture for centralized and distributed systems, including the common diagnostics CLI and the platform-independent fault-detection procedures for boot-up and run-time diagnostics.




The platform-specific diagnostics provide hardware-specific fault-detection tests and allow you to take appropriate corrective action in response to diagnostic test results

System Message Logging

You can use system message logging to control the destination and to filter the severity level of messages that system processes generate.




You can configure logging to a terminal session, a log file, and syslog servers on remote systems.

Smart Call Home

Call Home provides an e-mail-based notification of critical system policies. Cisco NX-OS provides a range of message formats for optimal compatibility with pager services, standard e-mail, or XML-based automated parsing applications.




You can use this feature to page a network support engineer, e-mail a Network Operations Center, or use Cisco Smart Call




Home services to automatically generate a case with the Technical Assistance Center.

Configuration Rollback

The configuration rollback feature allows users to take a snapshot, or user checkpoint, of the Cisco NX-OS configuration and then reapply that configuration to a switch at any point without having to reload the switch.




A rollback allows any authorized administrator to apply this checkpoint configuration without requiring expert knowledge of the features configured in the checkpoint.

SNMP

The Simple Network Management Protocol (SNMP)




is an application-layer protocol that provides a message format for communication between SNMP managers and agents.




SNMP provides a standardized framework and a common language used for the monitoring and management of devices in a network.

RMON

RMON is an Internet Engineering Task Force (IETF) standard monitoring specification that allows various network agents and console systems to exchange network monitoring data.




Cisco NX-OS supports RMON alarms, events, and logs to monitor Cisco NX-OS devices.

EMM
The Embedded Event Manager (EEM)



monitors events that occur on your device and takes action to recover or troubleshoot these events, based on your configuration.