Cisco IE-2000U-16TC-G Industrial Ethernet Switch Specification

Category
Software
Type
Specification
Cisco Systems, Inc.
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System Management Software
Configuration Guide for Cisco IE 2000U
and Connected Grid Switches
First Published: July 2013
Lasted Updated: August 2014
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System Management Software Configuration Guide for Cisco IE 2000U and Connected Grid Switches
CONTENTS
CHAPTER
1Overview 1-1
Features 1-1
DHCP 1-2
Switch Boot Optimization 1-3
NTP 1-3
MAC Address Table 1-3
DNS 1-4
Switch Alarms 1-4
SDM Templates 1-4
Smartports Macros 1-4
LLDP and LLDP-MED 1-5
Port-Based Traffic Control 1-5
CDP 1-5
SPAN and RSPAN 1-6
RMON 1-6
System Message Logging 1-6
SNMP 1-7
Cisco IOS IP SLAs 1-7
Embedded Event Manager 1-7
Ethernet OAM, CFM, and E-LMI 1-8
Online Diagnostics 1-8
Supported MIBs 1-8
CHAPTER
2Assigning the Switch IP Address and Default Gateway 2-1
Information About Assigning Switch Information 2-1
Boot Process 2-2
DHCP-Based Autoconfiguration 2-3
DHCP Client Request Process 2-3
DHCP Image Upgrade 2-4
TFTP Server 2-5
DNS Server 2-5
Relay Device 2-6
Obtaining Configuration Files 2-6
Contents
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Example Configuration 2-7
Prerequisites 2-9
Guidelines and Limitations 2-9
Default Settings 2-10
Assigning Switch Information 2-11
Configuring the DHCP Auto Configuration and Image Update Features 2-12
Configuring DHCP Autoconfiguration (Only Configuration File) 2-12
Configuring DHCP Auto-Image Update (Configuration File and Image) 2-13
Configuring the Client 2-14
Manually Assigning IP Information 2-16
Modifying the Startup Configuration 2-16
Automatically Downloading a Configuration File 2-17
Specifying the Filename to Read and Write the System Configuration 2-17
Booting Manually 2-18
Booting a Specific Software Image 2-18
Controlling Environment Variables 2-19
Configuring a Scheduled Reload of the Software Image 2-21
Displaying Scheduled Reload Information 2-23
Verifying Configuration 2-23
Configuration Example 2-24
Related Documents 2-25
Feature History 2-25
CHAPTER
3Configuring Switch Boot Optimization 3-1
Information About Switch Boot Optimization 3-1
Prerequisites 3-2
Guidelines and Limitations 3-2
Default Settings 3-2
Configuring Switch Boot Optimization 3-2
Verifying Configuration 3-2
Configuration Example 3-3
Feature History 3-3
CHAPTER
4Administering the Switch 4-1
Information About Administering the Switch 4-1
System Clock 4-2
Network Time Protocol 4-2
Contents
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System Management Software Configuration Guide for Cisco IE 2000U and Connected Grid Switches
DNS 4-4
MAC Address Table 4-4
Building the Address Table 4-4
MAC Addresses and VLANs 4-4
ARP Table 4-5
Prerequisites 4-5
Guidelines and Limitations 4-6
Default Settings 4-6
Configuring NTP 4-7
Configuring NTP Authentication 4-7
Configuring NTP Associations 4-8
Configuring NTP Broadcast Service 4-10
Configuring the Switch to Send NTP Broadcast Packets 4-10
Configuring the Switch to Receive NTP Broadcast Packets 4-11
Configuring NTP Access Restrictions 4-11
Creating an Access Group and Assigning a Basic IP Access List 4-12
Disabling NTP Services on a Specific Interface 4-13
Configuring the Source IP Address for NTP Packets 4-14
Configuring Time and Date Manually 4-15
Setting the System Clock 4-15
Displaying the Time and Date Configuration 4-16
Configuring the Time Zone 4-16
Configuring Daylight Saving Time (Summer Time) 4-17
Recurring Daylight Saving Time 4-17
Specific Dates for Daylight Saving Time 4-18
Configuring a System Name and Prompt 4-19
Configuring DNS 4-20
Creating a Banner 4-21
Configuring a Message-of-the-Day Login Banner 4-22
Configuring a Login Banner 4-23
Managing the MAC Address Table 4-23
Changing the Address Aging Time 4-24
Removing Dynamic Address Entries 4-25
Configuring MAC Address Change Notification Traps 4-25
Configuring MAC Address Move Notification Traps 4-27
Configuring MAC Threshold Notification Traps 4-29
Adding and Removing Static Address Entries 4-30
Configuring Unicast MAC Address Filtering 4-32
Disabling MAC Address Learning on a VLAN 4-33
Contents
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Displaying Address Table Entries 4-34
Verifying Configuration 4-35
Configuration Example 4-35
Related Documents 4-38
Feature History 4-38
CHAPTER
5Configuring the Switch Alarms 5-1
Information About Switch Alarms 5-1
Global Status Monitoring Alarms 5-2
FCS Error Hysteresis Threshold 5-2
Port Status Monitoring Alarms 5-2
Triggering Alarm Options 5-3
Prerequisites 5-4
Guidelines and Limitations 5-4
Default Settings 5-4
Configuring External Alarms 5-4
Configuring Switch Alarms 5-7
Configuring the Power Supply Alarms 5-7
Configuring the FCS Bit Error Rate Alarm 5-8
Setting the FCS Error Threshold 5-8
Setting the FCS Error Hysteresis Threshold 5-9
Configuring Alarm Profiles 5-9
Creating or Modifying an Alarm Profile 5-9
Attaching an Alarm Profile to a Specific Port 5-11
Enabling SNMP Traps 5-12
Verifying Configuration 5-12
Configuration Example 5-12
Related Documents 5-14
Feature History 5-14
CHAPTER
6Configuring SDM Templates 6-1
Information About the SDM Templates 6-1
Dual IPv4 and IPv6 SDM Templates 6-2
Prerequisites 6-3
Guidelines and Limitations 6-4
Default Settings 6-4
Configuring the Switch SDM Template 6-4
Contents
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Verifying Configuration 6-6
Configuration Example 6-7
Related Documents 6-7
Feature History 6-8
CHAPTER
7Configuring Smartports Macros 7-1
Information About Smartports Macros 7-1
Prerequisites 7-1
Guidelines and Limitations 7-1
Default Settings 7-2
Configuring Smartports Macros 7-3
Creating Smartports Macros 7-4
Applying Smartports Macros 7-5
Verifying Configuration 7-7
Configuration Example 7-7
Feature History 7-8
CHAPTER
8Configuring LLDP and LLDP-MED 8-1
Information About LLDP and LLDP-MED 8-1
LLDP 8-1
LLDP-MED 8-2
Prerequisites 8-3
Guidelines and Limitations 8-3
Default Settings 8-3
Configuring LLDP and LLDP-MED 8-4
Configuring LLDP Characteristics 8-4
Disabling and Enabling LLDP Globally 8-5
Disabling LLDP 8-5
Enabling LLDP 8-5
Disabling and Enabling LLDP on an Interface 8-6
Disabling LLDP on an Interface 8-6
Enabling LLDP on an Interface 8-7
Configuring LLDP-MED TLVs 8-7
Disabling a TLV 8-8
Enabling a TLV 8-8
Verifying Configuration 8-9
Configuration Example 8-9
Contents
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Related Documents 8-10
Feature History 8-11
CHAPTER
9Configuring Port-Based Traffic Control 9-1
Information About Port-Based Traffic Control 9-1
Storm Control 9-2
Protected Ports 9-3
Port Blocking 9-3
Port Security 9-3
Secure MAC Addresses 9-4
Security Violations 9-4
Prerequisites 9-5
Guidelines and Limitations 9-5
Default Settings 9-7
Configuring Storm Control 9-8
Configuring Protected Ports 9-10
Configuring Port Blocking 9-11
Configuring Port Security 9-12
Enabling and Configuring Port Security 9-12
Enabling and Configuring Port Security Aging 9-16
Port Security and Private VLANs 9-18
Verifying Configuration 9-19
Configuration Example 9-19
Related Documents 9-21
Feature History 9-21
CHAPTER
10 Configuring CDP 10-1
Information About CDP 10-1
Prerequisites 10-2
Guidelines and Limitations 10-2
Default Settings 10-2
Configuring CDP 10-2
Configuring the CDP Characteristics 10-2
Disabling and Enabling CDP 10-3
Disabling CDP 10-3
Enabling CDP 10-4
Disabling and Enabling CDP on an Interface 10-4
Contents
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Disabling CDP on an Interface 10-4
Enabling CDP on an Interface 10-5
Verifying Configuration 10-6
Configuration Example 10-6
Related Documents 10-7
Feature History 10-7
CHAPTER
11 Configuring SPAN and RSPAN 11-1
Information About SPAN and RSPAN 11-1
Local SPAN 11-2
Remote SPAN 11-2
SPAN and RSPAN Concepts and Terminology 11-3
SPAN Sessions 11-3
Monitored Traffic 11-4
Source Ports 11-5
Source VLANs 11-6
VLAN Filtering 11-6
Destination Port 11-6
RSPAN VLAN 11-7
Prerequisites 11-8
Guidelines and Limitations 11-8
Default Settings 11-10
Configuring SPAN and RSPAN 11-11
Configuring Local SPAN 11-11
Creating a Local SPAN Session 11-11
Creating a Local SPAN Session and Configuring Ingress Traffic 11-14
Specifying VLANs to Filter 11-16
Configuring RSPAN 11-17
Configuring a VLAN as an RSPAN VLAN 11-18
Creating an RSPAN Source Session 11-18
Creating an RSPAN Destination Session 11-20
Creating an RSPAN Destination Session and Configuring Ingress Traffic 11-22
Specifying VLANs to Filter 11-24
Verifying Configuration 11-25
Configuration Example 11-25
Related Documents 11-26
Feature History 11-27
Contents
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System Management Software Configuration Guide for Cisco IE 2000U and Connected Grid Switches
CHAPTER
12 Configuring RMON 12-1
Information About RMON 12-1
Prerequisites 12-2
Guidelines and Limitations 12-3
Default Settings 12-3
Configuring RMON 12-3
Configuring RMON Alarms and Events 12-3
Collecting Group History Statistics on an Interface 12-5
Collecting Group Ethernet Statistics on an Interface 12-6
Verifying Configuration 12-7
Configuration Example 12-7
Related Documents 12-8
Feature History 12-8
CHAPTER
13 Configuring System Message Logging 13-1
Information About System Message Logging 13-1
System Log Message Format 13-2
Prerequisites 13-3
Guidelines and Limitations 13-3
Default Settings 13-3
Configuring System Message Logging 13-3
Disabling Message Logging 13-4
Setting the Message Display Destination Device 13-5
Synchronizing Log Messages 13-6
Enabling and Disabling Time Stamps on Log Messages 13-8
Enabling and Disabling Sequence Numbers in Log Messages 13-9
Defining the Message Severity Level 13-9
Limiting Syslog Messages Sent to the History Table and to SNMP 13-11
Enabling the Configuration-Change Logger 13-13
Configuring UNIX Syslog Servers 13-14
Logging Messages to a UNIX Syslog Daemon 13-14
Configuring the UNIX System Logging Facility 13-15
Verifying the Configuration 13-16
Configuration Example 13-16
Related Documents 13-17
Feature History 13-18
Contents
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CHAPTER
14 Configuring SNMP 14-1
Information About SNMP 14-1
SNMP Versions 14-2
SNMP Manager Functions 14-3
SNMP Agent Functions 14-4
SNMP Community Strings 14-4
Using SNMP to Access MIB Variables 14-4
SNMP Notifications 14-5
SNMP ifIndex MIB Object Values 14-6
MIB Data Collection and Transfer 14-6
Prerequisites 14-7
Guidelines and Limitations 14-7
Default Settings 14-7
Configuring SNMP 14-8
Disabling the SNMP Agent 14-8
Configuring Community Strings 14-9
Configuring SNMP Groups and Users 14-10
Configuring SNMP Notifications 14-14
Setting the Agent Contact and Location Information 14-18
Limiting TFTP Servers Used Through SNMP 14-18
Configuring MIB Data Collection and Transfer 14-19
Configuring a Bulk-Statistics Object List and Schema Options 14-19
Configuring Bulk-Statistics Transfer Options 14-21
Configuring CPU Threshold Notification 14-22
Verifying Configuration 14-24
Configuration Example 14-24
Related Documents 14-25
Feature History 14-26
CHAPTER
15 Configuring Embedded Event Manager 15-1
Information About Embedded Event Manager 15-1
Event Detectors 15-2
Embedded Event Manager Actions 15-4
Embedded Event Manager Policies 15-4
Embedded Event Manager Environment Variables 15-4
EEM 3.2 15-5
Prerequisites 15-5
Guidelines and Limitations 15-6
Contents
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Default Settings 15-6
Configuring Embedded Event Manager 15-6
Registering and Defining an Embedded Event Manager Applet 15-6
Registering and Defining an Embedded Event Manager TCL Script 15-7
Verifying Configuration 15-8
Configuration Example 15-8
Related Documents 15-9
Feature History 15-9
CHAPTER
16 Configuring Cisco IOS IP SLAs Operations 16-1
Information About Cisco IOS IP SLAs 16-1
Using Cisco IOS IP SLAs to Measure Network Performance 16-2
IP SLAs Responder and IP SLAs Control Protocol 16-3
Response Time Computation for IP SLAs 16-4
Prerequisites 16-4
Guidelines and Limitations 16-5
Default Settings 16-5
Configuring IP SLAs Operations 16-5
Verifying Configuration 16-6
Related Documents 16-6
Feature History 16-6
CHAPTER
17 Configuring Ethernet OAM, CFM, and E-LMI 17-1
Information About Ethernet CFM 17-2
CFM Domain 17-2
Maintenance Associations and Maintenance Points 17-3
CFM Messages 17-5
Crosscheck Function and Static Remote MEPs 17-5
SNMP Traps and Fault Alarms 17-5
Configuration Error List 17-5
CFM Version Interoperability 17-6
IP SLAs Support for CFM 17-6
Configuring Ethernet CFM 17-7
Default Ethernet CFM Configuration 17-7
Ethernet CFM Configuration Guidelines 17-7
Configuring the CFM Domain 17-8
Configuring Ethernet CFM Crosscheck 17-12
Configuring Static Remote MEP 17-13
Contents
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Configuring a Port MEP 17-15
Configuring SNMP Traps 17-17
Configuring Fault Alarms 17-17
Configuring IP SLAs CFM Operation 17-19
Manually Configuring an IP SLAs CFM Probe or Jitter Operation 17-19
Configuring an IP SLAs Operation with Endpoint Discovery 17-22
Information About CFM ITU-T Y.1731 Fault Management 17-24
Y.1731 Terminology 17-24
Alarm Indication Signals 17-25
Ethernet Remote Defect Indication 17-25
Ethernet Locked Signal 17-26
Multicast Ethernet Loopback 17-26
Configuring Y.1731 Fault Management 17-26
Default Y.1731 Configuration 17-27
Configuring ETH-AIS 17-27
Configuring ETH-LCK 17-29
Using Multicast Ethernet Loopback 17-32
Managing and Displaying Ethernet CFM Information 17-32
Information About the Ethernet OAM Protocol 17-34
OAM Features 17-35
OAM Messages 17-35
Configuring Ethernet OAM 17-35
Default Ethernet OAM Configuration 17-36
Ethernet OAM Configuration Guidelines 17-36
Enabling Ethernet OAM on an Interface 17-36
Enabling Ethernet OAM Remote Loopback 17-38
Configuring Ethernet OAM Link Monitoring 17-39
Configuring Ethernet OAM Remote Failure Indications 17-42
Configuring Ethernet OAM Templates 17-43
Displaying Ethernet OAM Protocol Information 17-46
Enabling Ethernet Loopback 17-47
Configuring Ethernet Facility Loopback 17-48
Configuring Ethernet Terminal Loopback 17-50
Information About E-LMI 17-51
E-LMI Interaction with OAM Manager 17-51
CFM Interaction with OAM Manager 17-52
Configuring E-LMI 17-52
Default E-LMI Configuration 17-52
E-LMI and OAM Manager Configuration Guidelines 17-52
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Configuring the OAM Manager 17-53
Enabling E-LMI 17-56
Ethernet OAM Manager Configuration Example 17-58
Provider-Edge Device Configuration 17-58
Customer-Edge Device Configuration 17-58
Displaying E-LMI and OAM Manager Information 17-59
Ethernet CFM and Ethernet OAM Interaction 17-59
Configuring Ethernet OAM Interaction with CFM 17-60
Configuring the OAM Manager 17-60
Enabling Ethernet OAM 17-61
Ethernet OAM and CFM Configuration Example 17-62
Related Documents 17-63
Feature History 17-64
CHAPTER
18 Configuring Online Diagnostics 18-1
Information About Online Diagnostics 18-1
Prerequisites 18-2
Guidelines and Limitations 18-2
Default Settings 18-2
Configuring Online Diagnostics 18-3
Scheduling Online Diagnostics 18-3
Configuring Health-Monitoring Diagnostics 18-4
Running Online Diagnostic Tests 18-6
Starting Online Diagnostic Tests 18-7
Displaying Online Diagnostic Tests and Results 18-8
Configuration Example 18-9
Related Documents 18-9
Feature History 18-9
APPENDIX
ASupported MIBs A-1
MIB List A-1
Using FTP to Access the MIB Files A-3
CHAPTER
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System Management Software Configuration Guide for Cisco IE 2000U and Connected Grid Switches
1
Overview
This document describes how to configure system management features on the Cisco Industrial Ethernet
2000U Series (IE 2000U) and Connected Grid Switches, hereafter referred to as switch. The switch can
be managed through one of the following methods:
Command Line Interface (CLI) over a serial connection to the switch console or over a telnet session
Web management interface through a browser (Network Management)
Network Management Application through SNMP
This document describes managing the switch using the CLI. The CLI interface supports the standard
IOS commands.
Features
The switch ships with one of these software images installed:
The LAN Base image includes advanced quality of service (QoS), flexible VLAN handling,
supervisory control and data acquisition (SCADA) protocol classification support, resilient Ethernet
protocol (REP) for improved convergence time in ring topologies, Flexlink for fast failover in
hub-and-spoke topologies, and comprehensive security features.
The IP Services image adds advanced Layer 3 features such as support for advanced IP routing
protocols, Multi-VPN Routing and Forwarding Customer Edge (Multi-VRF CE/VRF-Lite), and
Policy Based Routing (PBR).
Some features noted in this chapter are available only on the cryptographic (that is, supports encryption)
version of the switch software image. You must obtain authorization to use this feature and to download
the cryptographic version of the software from Cisco.com. For more information, see the release notes
for this release.
The switch has two different types of interfaces by default: network node interfaces (NNIs) to connect
to the service provider network and user network interfaces (UNIs) to connect to customer networks.
Some features are supported only on one of these port types. You can also configure enhanced network
interfaces (ENIs). An ENI is typically a user-network facing interface and has the same default
configuration and functionality as UNIs, but can be configured to support protocol control packets for
Cisco Discovery Protocol (CDP), Spanning-Tree Protocol (STP), Link Layer Discovery Protocol
(LLDP), and EtherChannel Link Aggregation Control Protocol (LACP) or Port Aggregation Protocol
(PAgP).
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Chapter 1 Overview
Features
This chapter provides a summary of the following system management features:
DHCP, page 1-2
NTP, page 1-3
MAC Address Table, page 1-3
DNS, page 1-4
Switch Alarms, page 1-4
SDM Templates, page 1-4
Smartports Macros, page 1-4
LLDP and LLDP-MED, page 1-5
Port-Based Traffic Control, page 1-5
CDP, page 1-5
SPAN and RSPAN, page 1-6
RMON, page 1-6
System Message Logging, page 1-6
SNMP, page 1-7
Embedded Event Manager, page 1-7
Cisco IOS IP SLAs, page 1-7
Ethernet OAM, CFM, and E-LMI, page 1-8
Online Diagnostics, page 1-8
Supported MIBs, page 1-8
DHCP
The initial switch configuration (for example, assigning the switch IP address and default gateway
information) can be performed through the switch setup program, manually, or through a Dynamic Host
Configuration Protocol (DHCP) server.
Use the switch setup program if you want to be prompted for specific IP information.
For more information about the setup program, see the “Configuring the Switch with the CLI-Based
Setup Program” appendix in the Cisco 1E 2000U Switch Hardware Installation Guide.
If you are an experienced user familiar with the switch configuration steps, use the CLI to manually
configure the switch. Otherwise, use the switch setup program.
Use a DHCP server for centralized control and automatic assignment of IP information after the
server is configured.
DHCP provides configuration information to Internet hosts and internetworking devices. This protocol
consists of two components: one for delivering configuration parameters from a DHCP server to a
device, and the other is a mechanism for allocating network addresses to devices. DHCP is built on a
client-server model, in which designated DHCP servers allocate network addresses and deliver
configuration parameters to dynamically configured devices. The switch can act as both a DHCP client
and a DHCP server.
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Chapter 1 Overview
Features
You can use the DHCP image upgrade features to configure a DHCP server to download both a new
image and a new configuration file to one or more switches in a network. This helps ensure that each
new switch added to a network receives the same image and configuration.
Related Topics
Chapter 2, “Assigning the Switch IP Address and Default Gateway”
Switch Boot Optimization
You can configure the switch to minimize the time it takes to boot. When switch boot optimization is
enabled, the switch disables the memory test, file system check (FSCK), and power-on self-test (POST)
that occur during the normal boot process.
Related Topics
Chapter 3, “Configuring Switch Boot Optimization”
NTP
You can manage the system time and date on your switch using automatic configuration, such as the
Network Time Protocol (NTP), or manual configuration methods.
NTP is designed to time-synchronize a network of devices. NTP runs over User Datagram Protocol
(UDP), which runs over IP. An NTP network usually gets its time from an authoritative time source, such
as a radio clock or an atomic clock attached to a time server. NTP then distributes this time across the
network. NTP is extremely efficient; no more than one packet per minute is necessary to synchronize
two devices to within a millisecond of one another.
Related Topics
Chapter 4, “Administering the Switch”
MAC Address Table
The MAC address table contains address information that the switch uses to forward traffic between
ports. All MAC addresses in the address table are associated with one or more ports.
With multiple MAC addresses supported on all ports, you can connect any port on the switch to
individual workstations, repeaters, switches, routers, or other network devices. The switch provides
dynamic addressing by learning the source address of packets it receives on each port and adding the
address and its associated port number to the address table. As stations are added or removed from the
network, the switch updates the address table, adding new dynamic addresses and aging out those that
are not in use.
You can control MAC address learning on a VLAN and manage the MAC address table space that is
available on the switch by controlling which VLANs, and therefore which ports, can learn MAC
addresses.
Related Topics
Chapter 4, “Administering the Switch”
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Chapter 1 Overview
Features
DNS
The DNS protocol controls the Domain Name System (DNS), a distributed database with which you can
map hostnames to IP addresses. When you configure DNS on your switch, you can substitute the
hostname for the IP address with all IP commands, such as ping, telnet, connect, and related Telnet
support operations.
To keep track of domain names, IP has defined the concept of a domain name server, which holds a cache
(or database) of names mapped to IP addresses. To map domain names to IP addresses, you must first
identify the hostnames, specify the name server that is present on your network, and enable the DNS.
Related Topics
Chapter 4, “Administering the Switch”
Switch Alarms
The switch software monitors switch conditions on a per-port or a switch basis. If the conditions present
on the switch or a port do not match the set parameters, the switch software triggers an alarm or a system
message. By default, the switch software sends the system messages to a system message logging
facility, or a syslog facility. You can also configure the switch to send Simple Network Management
Protocol (SNMP) traps to an SNMP server. You can configure the switch to trigger an external alarm
device by using the alarm relay.
Related Topics
Chapter 5, “Configuring the Switch Alarms”
SDM Templates
If the switch is running the IP services image, you can use SDM templates to optimize system resources
in the switch to support specific features, depending on how the switch is used in the network. The SDM
templates allocate Ternary Content Addressable Memory (TCAM) resources to support different
features. You can use the SDM templates for IP Version 4 (IPv4) and select the default template to
balance system resources or select the layer-2 template to support only Layer 2 features in hardware.
Note Switches running the LAN Base image support only the layer-2 template
The dual IPv4 and IPv6 templates also enable a dual stack environment.
Related Topics
Chapter 6, “Configuring SDM Templates”
Smartports Macros
Smartports macros provide a convenient way to save and share common configurations. You can use
Smartports macros to enable features and settings based on the location of a switch in the network and
for mass configuration deployments across the network.
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Chapter 1 Overview
Features
Each Smartports macro is a set of CLI commands. The switch software has a set of default macros (which
cannot be edited by user). You can also create your own macros. Smartports macros do not contain new
CLI commands; they are simply a group of existing CLI commands.
Related Topics
Chapter 7, “Configuring Smartports Macros”
LLDP and LLDP-MED
To support non-Cisco devices and to allow for interoperability between other devices, the switch
supports the IEEE 802.1AB Link Layer Discovery Protocol (LLDP). LLDP is a neighbor discovery
protocol that is used for network devices to advertise information about themselves to other devices on
the network. This protocol runs over the data-link layer, which allows two systems running different
network layer protocols to learn about each other.
LLDP for Media Endpoint Devices (LLDP-MED) is an extension to LLDP that operates between
endpoint devices such as IP phones and network devices such as switches. It specifically provides
support for voice over IP (VoIP) applications and provides additional TLVs for capabilities discovery,
network policy, Power over Ethernet (PoE), and inventory management.
Related Topics
Chapter 8, “Configuring LLDP and LLDP-MED”
Port-Based Traffic Control
The switch has the following features for controlling traffic on an interface:
Storm control—Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast
storm on one of the physical interfaces
Protected ports—Ensures that there is no exchange of unicast, broadcast, or multicast traffic
between these ports on the switch
Port blocking—Blocks a port (protected or nonprotected) from flooding unknown unicast or
multicast packets to other ports
Port security—Restricts input to an interface by limiting and identifying MAC addresses of the
stations allowed to access the port
Related Topics
Chapter 9, “Configuring Port-Based Traffic Control”
CDP
CDP is a device discovery protocol that runs over Layer 2 (the data link layer) on all Cisco-manufactured
devices (routers, bridges, access servers, and switches) and allows network management applications to
discover Cisco devices that are neighbors of already known devices. With CDP, network management
applications can learn the device type and the Simple Network Management Protocol (SNMP) agent
address of neighboring devices running lower-layer, transparent protocols. This feature enables
applications to send SNMP queries to neighboring devices.
1-6
System Management Software Configuration Guide for Cisco IE 2000U and Connected Grid Switches
Chapter 1 Overview
Features
Related Topics
Chapter 10, “Configuring CDP”
SPAN and RSPAN
You can analyze network traffic passing through ports or VLANs by using Switched Port Analyzer
(SPAN) and Remote SPAN (RSPAN) to send a copy of the traffic to another port on the switch or on
another switch that has been connected to a network analyzer or other monitoring or security device.
SPAN copies (or mirrors) traffic received or sent (or both) on source ports or source VLANs to a
destination port for analysis. SPAN does not affect the switching of network traffic on the source ports
or VLANs. You must dedicate the destination port for SPAN use. Except for traffic that is required for
the SPAN or RSPAN session, destination ports do not receive or forward traffic.
Related Topics
Chapter 11, “Configuring SPAN and RSPAN”
RMON
Remote Network Monitoring (RMON) is a standard monitoring specification that defines a set of
statistics and functions that can be exchanged between RMON-compliant console systems and network
probes. RMON provides you with comprehensive network-fault diagnosis, planning, and
performance-tuning information. You can use the RMON feature with the Simple Network Management
Protocol (SNMP) agent in the switch to monitor all the traffic flowing among switches on all connected
LAN segments.
Related Topics
Chapter 12, “Configuring RMON”
System Message Logging
By default, a switch sends the output from system messages and debug privileged EXEC commands to
a logging process. The logging process controls the distribution of logging messages to various
destinations, such as the logging buffer, terminal lines, or a UNIX syslog server, depending on your
configuration. The process also sends messages to the console. You can use system message logging in
the following ways:
Set the severity level of the messages to control the type of messages displayed on the consoles and
each of the destinations.
Time-stamp log messages or set the syslog source address to enhance real-time debugging and
management.
Access logged system messages by using the switch command-line interface (CLI) or by saving
them to a properly configured syslog server. The switch software saves syslog messages in an
internal buffer.
Remotely monitor system messages by viewing the logs on a syslog server or by accessing the
switch through Telnet or through the console port.
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Cisco IE-2000U-16TC-G Industrial Ethernet Switch Specification

Category
Software
Type
Specification

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