HP 2520-8 User manual

HP Switch Software
HP 2520-8-PoE Switch
HP 2520-24-PoE Switch
Software version S.15.09
August 2012
IPv6 Configuration Guide

HP Networking
2520 Switches
IPv6 Configuration Guide
August 2012
S.15.09

Hewlett-Packard Company
8000 Foothills Boulevard, m/s 5551
Roseville, California 95747-5551
http://www.www.hp.com/networking
© Copyright 2012 Hewlett-Packard Development Company,L.P.
The information contained herein is subject to change without
notice. All Rights Reserved.
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protected by copyright. No part of this document may be
photocopied, reproduced, or translated into another
language without the prior written consent of Hewlett-
Packard.
Publication Number
5998-3621
August 2012
Applicable Products
HP 2520-8-PoE Switch (J9137A)
HP 2520-24-PoE Switch (J9138A)
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Microsoft, Windows, and Microsoft Windows NT are US
registered trademarks of Microsoft Corporation. Java™ is a
US trademark of Sun Microsystems, Inc.
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products, visit www.hp.com/networking/support.

1
IPv6 Addressing Configuration
Introduction ................................................................................. 1-1
General Configuration Steps ..................................................... 1-2
Configuring IPv6 Addressing .................................................... 1-3
Enabling IPv6 with an Automatically
Configured Link-Local Address ................................................ 1-3
Enabling Autoconfiguration of a
Global Unicast Address and a Default
Router Identity on a VLAN ....................................................... 1-4
Enabling DHCPv6 ....................................................................... 1-6
Configuring a Static IPv6 Address on a VLAN ....................... 1-9
Statically Configuring a Link-Local Unicast Address ..... 1-9
Statically Configuring A Global Unicast Address .......... 1-10
Duplicate Address Detection (DAD) for Statically
Configured Addresses ..................................................... 1-12
Disabling IPv6 on a VLAN ....................................................... 1-12
Neighbor Discovery (ND) ......................................................... 1-12
Duplicate Address Detection (DAD) ........................................ 1-14
DAD Operation ............................................................... 1-14
Configuring DAD ........................................................... 1-15
View the Current IPv6 Addressing Configuration ................ 1-17
Router Access and Default Router Selection .......................... 1-23
Router Advertisements .................................................... 1-23
Router Solicitations ......................................................... 1-24
Default IPv6 Router ........................................................ 1-24
Router Redirection .......................................................... 1-25
View IPv6 Gateway, Route, and Router Neighbors .............. 1-25
Viewing Gateway and IPv6 Route Information .............. 1-25
Viewing IPv6 Router Information .................................. 1-26
Address Lifetimes ...................................................................... 1-28
Preferred Lifetime ........................................................... 1-28
Valid Lifetime ................................................................. 1-28
Sources of IPv6 Address Lifetimes ................................. 1-28
2
IPv6 Management Features
Introduction ................................................................................. 2-1
Viewing and Clearing the IPv6 Neighbors Cache .................... 2-1
Viewing the Neighbor Cache ............................................ 2-1
Clearing the Neighbor Cache ............................................ 2-3
IPv6 Telnet Operation ................................................................ 2-4

Outbound Telnet to Another Device ................................. 2-4
Viewing the Current Telnet Activity on a Switch ........................... 2-6
Enabling or Disabling Inbound Telnet Access ................. 2-7
Viewing the Current Inbound Telnet Configuration ......... 2-7
SNTP and Timep ......................................................................... 2-8
Configuring (Enabling or Disabling) the SNTP Mode ..... 2-8
Configuring an IPv6 Address for an SNTP Server ........... 2-9
Configuring (Enabling or Disabling) the Timep Mode .. 2-11
TFTP File Transfers Over IPv6 ............................................... 2-14
TFTP File Transfers over IPv6 ....................................... 2-14
Enabling TFTP for IPv6 .................................................. 2-15
Using Auto-TFTP for IPv6 ............................................. 2-19
SNMP Management for IPv6 ................................................... 2-21
SNMP Features Supported .............................................. 2-21
SNMP Configuration Commands Supported ................. 2-21
IP Preserve for IPv6 .................................................................. 2-24
3
IPv6 Management Security Features
Authorized IP Managers for IPv6 ............................................. 3-1
Usage Notes ...................................................................... 3-1
Configuring Authorized IP Managers for Switch Access . 3-3
Using a Mask to Configure Authorized Management
Stations ............................................................................. 3-3
Displaying an Authorized IP Managers Configuration .. 3-10
Additional Examples of Authorized IPv6 Managers
Configuration .................................................................. 3-10
Secure Shell (SSH) for IPv6 ..................................................... 3-12
Configuring SSH for IPv6 .............................................. 3-13
Displaying an SSH Configuration .................................. 3-17
Secure Copy and Secure FTP for IPv6 ................................... 3-17
4
IPv6 Diagnostic and Troubleshooting
Introduction ................................................................................. 4-1
ICMP Rate-Limiting ................................................................... 4-1
Ping for IPv6 (Ping6) .................................................................. 4-3
Traceroute for IPv6 .................................................................... 4-5
DNS Resolver for IPv6 ................................................................ 4-8
DNS Configuration ........................................................... 4-8
Viewing the Current Configuration ................................ 4-10
Operating Notes .............................................................. 4-10
Debug/Syslog for IPv6 .............................................................. 4-10

Configuring Debug and Event Log Messaging .............. 4-11
Debug Command ............................................................ 4-11
Configuring Debug Destinations .................................... 4-12
Configuring an IPv6 Syslog Server ................................ 4-12
For more information, see “Configuring Debug and
Event Log Messaging” on page 4-11. ............................. 4-13
Logging Command ......................................................... 4-13
Displaying a Debug/Syslog for Configuration ............... 4-14
A
IPv6 Terminology

5
Product Documentation
About Your Switch Manual Set
Note For the latest version of all HP switch documentation, including Release Notes
covering recently added features, please visit the HP Networking web site at
www.hp.com/Networking/support.
Electronic Publications
The latest version of each of the publications listed below is available in PDF
format on the HP Networking web site, as described in the Note at the top of
this page.
■Installation and Getting Started Guide—Explains how to prepare for
and perform the physical installation and connect the switch to your
network.
■Basic Operation Guide—Describes how to use the switch interfaces and
introduces basic operations.
■Management and Configuration Guide—Describes how to configure,
manage, and monitor basic switch operation.
■Advanced Traffic Management Guide—Explains how to configure traffic
management features such as VLANs, MSTP, QoS, and Meshing.
■Access Security Guide—Explains how to configure access security fea-
tures and user authentication on the switch.
■IPv6 Configuration Guide—Describes the IPv6 protocol operations that
are supported on the switch.
■Command Line Interface Reference Guide—Provides a comprehensive
description of CLI commands, syntax, and operations.
■Event Log Message Reference Guide—Provides a comprehensive descrip-
tion of event log messages.
■Release Notes—Describe new features, fixes, and enhancements that
become available between revisions of the main product guide.

6
Software Feature Index
For the software manual set supporting your series 2520 switch models, this
feature index indicates which manual to consult for information on a given
software feature.
Feature Management and
Configuration
AdvancedTraffic
Management
Access Security
Guide
Basic Operation
Guide
802.1Q VLAN Tagging - X--
802.1p Priority X---
802.1X Authentication - - X-
AAA Authentication X-
Authorized IP Managers - - X-
Auto MDIX Configuration X- - -
BOOTP X---
Config File -- - X
Console Access ---X
Copy Command X---
Debug X---
DHCP Configuration - X- -
DHCP/Bootp Operation X---
Diagnostic Tools X---
Downloading Software X---
Eavesdrop Protection X -
Event Log X---
Factory Default Settings - - - X
File Management X---