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Using ping, tracert, and system debugging

Ping

Using a ping command to test network connectivity

Ping example

Tracert

Prerequisites

Using a tracert command to identify failed or all nodes in a path

System debugging

Debugging information control switches

Debugging a feature module

Ping and tracert example

Configuring NTP

Overview

NTP application

NTP advantages

How NTP works

NTP message format

Operation modes

NTP for VPNs

NTP configuration task list

Configuring NTP operation modes

Configuring the client/server mode

Configuring the symmetric peers mode

Configuring the broadcast mode

Configuring the multicast mode

Configuring optional parameters

Specifying the source interface for NTP messages

Disabling an interface from receiving NTP messages

Configuring the allowed maximum number of dynamic sessions

Configuring the DSCP value for NTP messages

Configuring access-control rights

Configuration prerequisites

Configuration procedure

Configuring NTP authentication

Configuring NTP authentication in client/server mode

Configuring NTP authentication in symmetric peers mode

Configuring NTP authentication in broadcast mode

Configuring NTP authentication in multicast mode

Displaying and maintaining NTP

NTP configuration examples

Configuring the client/server mode

Configuring the NTP symmetric mode

Configuring NTP broadcast mode

Configuring NTP multicast mode

Configuring NTP client/server mode with authentication

Configuring NTP broadcast mode with authentication

Configuring MPLS VPN time synchronization in client/server mode

Configuring MPLS VPN time synchronization in symmetric peers mode

Configuring the information center

Overview

Classification of system information

System information levels

System information channels and output destinations

Default output rules of system information

System information formats

FIPS compliance

Information center configuration task list

Outputting system information to the console

Outputting system information to the monitor terminal

Outputting system information to a log host

Outputting system information to the trap buffer

Outputting system information to the log buffer

Outputting system information to the SNMP module

Outputting system information to the Web interface

Saving system information to the log file

Saving security logs into the security log file

Saving security logs into the security log file

Managing the security log file

Enabling synchronous information output

Disabling an interface from generating link up/down logging information

Displaying and maintaining information center

Information center configuration examples

Outputting log information to the console

Outputting log information to a UNIX log host

Outputting log information to a Linux log host

Saving security logs into the security log file

Configuring SNMP

Overview

FIPS compliance

SNMP framework

MIB and view-based MIB access control

SNMP operations

SNMP protocol versions

SNMP configuration task list

Configuring SNMP basic parameters

Configuring SNMPv3 basic parameters

Configuring SNMPv1 or SNMPv2c basic parameters

Switching the NM-specific interface index format

Configuration guidelines

Configuration procedure

Configuring SNMP logging

Configuring SNMP traps

Enabling SNMP traps

Configuring the SNMP agent to send traps to a host

Displaying and maintaining SNMP

SNMP configuration examples

SNMPv1/SNMPv2c configuration example

SNMPv3 configuration example

SNMP logging configuration example

Configuring RMON

Overview

Working mechanism

RMON groups

Configuring the RMON statistics function

Configuring the RMON Ethernet statistics function

Configuring the RMON history statistics function

Configuring the RMON alarm function

Displaying and maintaining RMON

Ethernet statistics group configuration example

History group configuration example

Alarm group configuration example

Configuring port mirroring

Overview

Terminology

Port mirroring classification and implementation

Configuring local port mirroring

Local port mirroring configuration task list

Creating a local mirroring group

Configuring source ports for a local mirroring group

Configuring source CPUs for a local mirroring group

Configuring the monitor port for a local mirroring group

Using the remote probe VLAN to enable local mirroring to support multiple monitor ports

Configuring Layer 2 remote port mirroring

Layer 2 remote port mirroring configuration task list

Configuring a remote source group (on the source device)

Configuring a remote destination group (on the destination device)

Configuring Layer 3 remote port mirroring

Layer 3 remote port mirroring configuration task list

Configuration prerequisites

Configuring a local mirroring group

Configuring source ports for a local mirroring group

Configuring source CPUs for a local mirroring group

Configuring the monitor port for a local mirroring group

Configuration restrictions and guidelines

Configuration procedure

Displaying and maintaining port mirroring

Port mirroring configuration examples

Local port mirroring configuration example

Local port mirroring with multiple monitor ports configuration example

Layer 2 remote port mirroring configuration example

Layer 3 remote port mirroring configuration example

Configuring flow mirroring

Overview

Remote flow mirroring overview

Flow mirroring configuration task list

Configuring flow mirroring

Configuring match criteria

Configuring different types of flow mirroring

Configuring a QoS policy

Applying a QoS policy

Applying a QoS policy to the control plane

Displaying and maintaining flow mirroring

Flow mirroring configuration examples

Flow mirroring configuration example

Configuring NQA

Overview

Collaboration

Threshold monitoring

NQA configuration task list

Configuring the NQA server

Configuring the NQA client

Enabling the NQA client

Configuring an ICMP echo operation

Configuring a DHCP operation

Configuring a DNS operation

Configuring an FTP operation

Configuring an HTTP operation

Configuring a UDP jitter operation

Configuring an SNMP operation

Configuring a TCP operation

Configuring a UDP echo operation

Configuring a voice operation

Configuring a DLSw operation

Configuring optional parameters for an NQA operation

Configuring the collaboration function

Configuring threshold monitoring

Configuring the NQA statistics function

Configuring the saving function of NQA history records

Scheduling an NQA operation

Displaying and maintaining NQA

NQA configuration examples

ICMP echo operation configuration example

DHCP operation configuration example

DNS operation configuration example

FTP operation configuration example

HTTP operation configuration example

UDP jitter operation configuration example

SNMP operation configuration example

TCP operation configuration example

UDP echo operation configuration example

Voice operation configuration example

DLSw operation configuration example

NQA collaboration configuration example

Configuring sFlow

sFlow configuration task list

Configuring the sFlow agent and sFlow collector information

Configuring flow sampling

Configuring counter sampling

Displaying and maintaining sFlow

sFlow configuration example

Troubleshooting sFlow configuration

The remote sFlow collector cannot receive sFlow packets

Configuring NetStream

Hardware compatibility

Overview

Terminology

NetStream key technologies

Flow aging

Data export

NetStream export formats

NetStream sampling and filtering

NetStream sampling

NetStream filtering

NetStream configuration task list

Enabling NetStream

Configuring NetStream filtering and sampling

Configuring NetStream filtering

Configuring NetStream sampling

Configuring NetStream data export

Configuring traditional data export

Configuring aggregation data export

Configuring attributes of NetStream data export

Configuring the refresh rate for NetStream version 9 templates

Configuring NetStream flow aging

Flow aging methods

Configuring NetStream flow aging

Displaying and maintaining NetStream

NetStream configuration examples

NetStream traditional data export configuration example

NetStream aggregation data export configuration example

Configuring IPv6 NetStream

Hardware compatibility

Overview

Terminology

IPv6 NetStream key technologies

Flow aging

Data export

IPv6 NetStream export format

IPv6 NetStream configuration task list

Enabling IPv6 NetStream on an interface

Configuring IPv6 NetStream data export

Configuring IPv6 NetStream traditional data export

Configuring IPv6 NetStream aggregation data export

Configuring attributes of IPv6 NetStream data export

Displaying and maintaining IPv6 NetStream

IPv6 NetStream configuration examples

IPv6 NetStream traditional data export configuration example

IPv6 NetStream aggregation data export configuration example

Configuring a sampler

Configuration procedure

Displaying and maintaining a sampler

Sampler configuration example

Configuring IPC

Overview

Node

Link

Channel

Packet sending modes

Enabling IPC performance statistics

Displaying and maintaining IPC

Configuring PoE

Overview

PoE configuration task list

Configuration guidelines

Enabling PoE for a PoE interface

Detecting PDs

Enabling the PSE to detect nonstandard PDs

Configuring a PD disconnection detection mode

Configuring the maximum PoE interface power

Configuring PoE interface power management

Configuring the PoE monitoring function

Configuring PSE power monitoring

Monitoring PD

Configuring PoE interface through PoE profile

Configuring a PoE profile

Applying a PoE profile

Upgrading PSE processing software in service

Displaying and maintaining PoE

PoE configuration example

Troubleshooting PoE

Setting the priority of a PoE interface to critical fails

Applying a PoE profile to a PoE interface fails

Configuring an AC input undervoltage threshold fails

Configuring CWMP

Overview

CWMP network framework

Basic CWMP functions

CWMP mechanism

Restrictions and guidelines

CWMP configuration methods

Configuring ACS and CPE attributes through DHCP

Configuring the DNS server

Configuring ACS and CPE attributes through ACS

Configuring CWMP at the CLI

Enabling CWMP

Configuring the ACS attributes

Configuring the ACS URL

Configuring the ACS username and password

Configuring CPE attributes

Configuring the CPE username and password

Configuring the CWMP connection interface

Sending Inform messages

Configuring the maximum number of attempts made to retry a connection

Configuring the close-wait timer of the CPE

Configuring the CPE working mode

Specifying an SSL client policy for HTTPS connection to ACS

Displaying and maintaining CWMP

CWMP configuration example

Configuration guidelines

Network requirements

Configuration procedure

Configuring cluster management

Cluster management overview

Why cluster management

Roles in a cluster

How a cluster works

Cluster management configuration task list

Configuring the management device

Enabling NDP globally and for specific ports

Configuring NDP parameters

Enabling NTDP globally and for specific ports

Configuring NTDP parameters

Manually collecting topology information

Enabling the cluster function

Establishing a cluster

Enabling management VLAN auto-negotiation

Configuring communication between the management device and the member devices within a cluster

Configuring cluster management protocol packets

Cluster member management

Configuring the member devices

Enabling NDP

Enabling NTDP

Manually collecting topology information

Enabling the cluster function

Deleting a member device from a cluster

Configuring access between the management device and its member devices

Adding a candidate device to a cluster

Configuring advanced cluster management functions

Configuring topology management

Configuring interaction for a cluster

SNMP configuration synchronization function

Configuring web user accounts in batches

Displaying and maintaining cluster management

Cluster management configuration example

Configuring packet capture

Configuring the packet capture function

Displaying and maintaining packet capture

Packet capture configuration example

Document conventions and icons

Conventions

Network topology icons

Support and other resources

Accessing Hewlett Packard Enterprise Support

Accessing updates

Websites

Customer self repair

Remote support

Documentation feedback