Accton Technology ES4524D User manual

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Management Guide

ES4524D

ES4548D

24/48-Port

Gigabit Ethernet Switch

e-mail: [email protected]

tel: 08-52 400 700 fax: 08-520 18121

Management Guide

ES4524D Gigabit Ethernet Switch

Layer 2 Switch

with 20 10/100/1000BASE-T (RJ-45) Ports,

and 4 Gigabit Combination Ports (RJ-45/SFP)

ES4548D Gigabit Ethernet Switch

Layer 2 Switch

with 44 10/100/1000BASE-T (RJ-45) Ports,

and 4 Gigabit Combination Ports (RJ-45/SFP)

ES4524D

ES4548D

F0.0.0.4 E112006-CS-R01

149100030400A

v

Contents

Section I: Getting Started

Chapter 1: Introduction 1-1

Key Features 1-1

Description of Software Features 1-2

System Defaults 1-6

Chapter 2: Initial Configuration 2-1

Connecting to the Switch 2-1

Configuration Options 2-1

Required Connections 2-2

Remote Connections 2-2

Basic Configuration 2-3

Console Connection 2-3

Setting Passwords 2-3

Setting an IP Address 2-4

Manual Configuration 2-4

Dynamic Configuration 2-8

Enabling SNMP Management Access 2-10

Community Strings (for SNMP version 1 and 2c clients) 2-10

Trap Receivers 2-11

Configuring Access for SNMP Version 3 Clients 2-12

Managing System Files 2-12

Saving Configuration Settings 2-13

Section II: Switch Management

Chapter 3: Configuring the Switch 3-1

Using the Web Interface 3-1

Navigating the Web Browser Interface 3-2

Home Page 3-2

Configuration Options 3-3

Panel Display 3-3

Main Menu 3-4

Chapter 4: Basic System Settings 4-1

Displaying System Information 4-1

Displaying Switch Hardware/Software Versions 4-3

Displaying Bridge Extension Capabilities 4-5

Configuring Support for Jumbo Frames 4-6

Renumbering the Stack 4-7

Resetting the System 4-7

Contents

vi

Chapter 5: Setting an IP Address 5-1

Setting the Switch’s IP Address (IP Version 4) 5-1

Manual Configuration 5-2

Using DHCP/BOOTP 5-3

Setting the Switch’s IP Address (IP Version 6) 5-4

Configuring an IPv6 Address 5-4

Configuring an IPv6 General Network Prefix 5-10

Configuring the Neighbor Detection Protocol and Static Entries 5-11

Chapter 6: Managing System Files 6-1

Managing Firmware 6-1

Downloading System Software from a Server 6-2

Saving or Restoring Configuration Settings 6-4

Downloading Configuration Settings from a Server 6-5

Chapter 7: Console Port Settings 7-1

Chapter 8: Telnet Settings 8-1

Chapter 9: Configuring Event Logging 9-1

System Log Configuration 9-1

Remote Log Configuration 9-2

Displaying Log Messages 9-4

Sending Simple Mail Transfer Protocol Alerts 9-4

Chapter 10: Setting the System Clock 10-1

Configuring SNTP 10-1

Setting the Time Zone 10-2

Chapter 11: Simple Network Management Protocol 11-1

SNMP Overview 11-1

Enabling the SNMP Agent 11-2

Setting Community Access Strings 11-3

Specifying Trap Managers and Trap Types 11-4

Configuring SNMPv3 Management Access 11-6

Setting a Local Engine ID 11-7

Specifying a Remote Engine ID 11-7

Configuring SNMPv3 Users 11-8

Configuring Remote SNMPv3 Users 11-10

Configuring SNMPv3 Groups 11-12

Setting SNMPv3 Views 11-16

Chapter 12: User Authentication 12-1

Configuring User Accounts 12-1

Configuring Local/Remote Logon Authentication 12-2

Configuring HTTPS 12-5

Replacing the Default Secure-site Certificate 12-6

Configuring the Secure Shell 12-8

Generating the Host Key Pair 12-10

Contents

vii

Configuring the SSH Server 12-12

Filtering IP Addresses for Management Access 12-13

Chapter 13: Configuring Port Security 13-1

Chapter 14: Configuring 802.1X Port Authentication 14-1

Displaying 802.1X Global Settings 14-2

Configuring 802.1X Global Settings 14-3

Configuring Port Settings for 802.1X 14-3

Displaying 802.1X Statistics 14-6

Chapter 15: Access Control Lists 15-1

Overview 15-1

Setting an ACL Name and Type 15-1

Configuring a Standard IPv4 ACL 15-2

Configuring an Extended IPv4 ACL 15-3

Configuring a MAC ACL 15-6

Configuring a Standard IPv6 ACL 15-7

Configuring an Extended IPv6 ACL 15-8

Binding a Port to an Access Control List 15-11

Chapter 16: Port Configuration 16-1

Displaying Connection Status 16-1

Configuring Interface Connections 16-4

Showing Port Statistics 16-6

Chapter 17: Creating Trunk Groups 17-1

Statically Configuring a Trunk 17-2

Setting a Load-Balance Mode for Trunks 17-3

Enabling LACP on Selected Ports 17-5

Configuring LACP Parameters 17-7

Displaying LACP Port Counters 17-9

Displaying LACP Settings and Status for the Local Side 17-11

Displaying LACP Settings and Status for the Remote Side 17-13

Chapter 18: Broadcast Storm Control 18-1

Setting Broadcast Storm Thresholds 18-1

Chapter 19: Configuring Port Mirroring 19-1

Chapter 20: Configuring Rate Limits 20-1

Chapter 21: Address Table Settings 21-1

Setting Static Addresses 21-1

Displaying the Address Table 21-2

Changing the Aging Time 21-4

Chapter 22: Spanning Tree Algorithm Configuration 22-1

Overview 22-1

Displaying Global Settings 22-3

Contents

viii

Configuring Global Settings 22-6

Displaying Interface Settings 22-10

Configuring Interface Settings 22-13

Configuring Multiple Spanning Trees 22-15

Displaying Interface Settings for MSTP 22-18

Configuring Interface Settings for MSTP 22-19

Chapter 23: VLAN Configuration 23-1

Assigning Ports to VLANs 23-1

Enabling or Disabling GVRP (Global Setting) 23-4

Displaying Basic VLAN Information 23-4

Displaying Current VLANs 23-5

Creating VLANs 23-6

Adding Static Members to VLANs (VLAN Index) 23-7

Adding Static Members to VLANs (Port Index) 23-9

Configuring VLAN Behavior for Interfaces 23-10

Configuring IEEE 802.1Q Tunneling 23-12

Enabling QinQ Tunneling on the Switch 23-16

Adding an Interface to a QinQ Tunnel 23-17

Chapter 24: Configuring Private VLANs 24-1

Enabling Private VLANs 24-1

Configuring Uplink and Downlink Ports 24-2

Chapter 25: Configuring Protocol-Based VLANs 25-1

Configuring Protocol Groups 25-1

Mapping Protocols to VLANs 25-2

Chapter 26: Class of Service Configuration 26-1

Layer 2 Queue Settings 26-1

Setting the Default Priority for Interfaces 26-1

Mapping CoS Values to Egress Queues 26-3

Selecting the Queue Mode 26-4

Setting the Service Weight for Traffic Classes 26-5

Layer 3/4 Priority Settings 26-7

Mapping Layer 3/4 Priorities to CoS Values 26-7

Selecting IP Precedence/DSCP Priority 26-7

Mapping IP Precedence 26-8

Mapping DSCP Priority 26-9

Mapping IP Port Priority 26-11

Chapter 27: Quality of Service 27-1

Configuring Quality of Service Parameters 27-1

Configuring a Class Map 27-2

Creating QoS Policies 27-4

Attaching a Policy Map to Ingress Queues 27-7

Contents

ix

Chapter 28: Multicast Filtering 28-1

Layer 2 IGMP (Snooping and Query) 28-1

Configuring IGMP Snooping and Query Parameters 28-2

Displaying Interfaces Attached to a Multicast Router 28-4

Specifying Static Interfaces for a Multicast Router 28-5

Displaying Port Members of Multicast Services 28-6

Assigning Ports to Multicast Services 28-7

Chapter 29: Configuring Domain Name Service 29-1

Configuring General DNS Service Parameters 29-1

Configuring Static DNS Host to Address Entries 29-3

Displaying the DNS Cache 29-5

Chapter 30: Switch Clustering 30-1

Cluster Configuration 30-1

Cluster Member Configuration 30-2

Cluster Member Information 30-3

Cluster Candidate Information 30-4

Section III: Command Line Interface

Chapter 31: Using the Command Line Interface 31-1

Accessing the CLI 31-1

Console Connection 31-1

Telnet Connection 31-1

Entering Commands 31-3

Keywords and Arguments 31-3

Minimum Abbreviation 31-3

Command Completion 31-3

Getting Help on Commands 31-3

Showing Commands 31-4

Partial Keyword Lookup 31-5

Negating the Effect of Commands 31-5

Using Command History 31-5

Understanding Command Modes 31-6

Exec Commands 31-6

Configuration Commands 31-7

Command Line Processing 31-9

Chapter 32: CLI Command Groups 32-1

Chapter 33: General Commands 33-1

enable 33-1

disable 33-2

configure 33-2

show history 33-3

prompt 33-4

Contents

x

end 33-4

exit 33-4

quit 33-5

Chapter 34: System Management Commands 34-1

hostname 34-1

reload 34-2

switch renumber 34-2

jumbo frame 34-3

show startup-config 34-3

show running-config 34-5

show system 34-7

show users 34-7

show version 34-8

Chapter 35: File Management Commands 35-1

copy 35-2

delete 35-4

dir 35-5

whichboot 35-6

boot system 35-7

Chapter 36: Line Commands 36-1

line 36-1

login 36-2

password 36-3

timeout login response 36-4

exec-timeout 36-4

password-thresh 36-5

silent-time 36-6

databits 36-6

parity 36-7

speed 36-8

stopbits 36-8

disconnect 36-9

show line 36-9

Chapter 37: Event Logging Commands 37-1

logging on 37-1

logging history 37-2

logging host 37-3

logging facility 37-3

logging trap 37-4

clear log 37-5

show logging 37-5

show log 37-7

Contents

xi

Chapter 38: SMTP Alert Commands 38-1

logging sendmail host 38-1

logging sendmail level 38-2

logging sendmail source-email 38-2

logging sendmail destination-email 38-3

logging sendmail 38-3

show logging sendmail 38-4

Chapter 39: Time Commands 39-1

sntp client 39-1

sntp server 39-2

sntp poll 39-3

show sntp 39-3

clock timezone 39-4

calendar set 39-5

show calendar 39-5

Chapter 40: SNMP Commands 40-1

snmp-server 40-2

show snmp 40-2

snmp-server community 40-3

snmp-server contact 40-4

snmp-server location 40-4

snmp-server host 40-5

snmp-server enable traps 40-7

snmp-server engine-id 40-8

show snmp engine-id 40-9

snmp-server view 40-10

show snmp view 40-11

snmp-server group 40-11

show snmp group 40-13

snmp-server user 40-14

show snmp user 40-15

Chapter 41: User Authentication Commands 41-1

User Account Commands 41-1

username 41-1

enable password 41-2

Authentication Sequence 41-3

authentication login 41-3

authentication enable 41-4

RADIUS Client 41-5

radius-server host 41-6

radius-server port 41-6

radius-server key 41-7

radius-server retransmit 41-7

Contents

xii

radius-server timeout 41-8

show radius-server 41-8

TACACS+ Client 41-9

tacacs-server host 41-9

tacacs-server port 41-9

tacacs-server key 41-10

show tacacs-server 41-10

Web Server Commands 41-11

ip http port 41-11

ip http server 41-11

ip http secure-server 41-12

ip http secure-port 41-13

Telnet Server Commands 41-14

ip telnet server 41-14

Secure Shell Commands 41-15

ip ssh server 41-17

ip ssh timeout 41-18

ip ssh authentication-retries 41-19

ip ssh server-key size 41-19

delete public-key 41-20

ip ssh crypto host-key generate 41-20

ip ssh crypto zeroize 41-21

ip ssh save host-key 41-21

show ip ssh 41-22

show ssh 41-22

show public-key 41-23

IP Filter Commands 41-24

management 41-24

show management 41-25

Chapter 42: Port Security Commands 42-1

port security 42-1

Chapter 43: 802.1X Port Authentication 43-1

dot1x system-auth-control 43-1

dot1x default 43-2

dot1x max-req 43-2

dot1x port-control 43-2

dot1x operation-mode 43-3

dot1x re-authenticate 43-4

dot1x re-authentication 43-4

dot1x timeout quiet-period 43-5

dot1x timeout re-authperiod 43-5

dot1x timeout tx-period 43-6

show dot1x 43-6

Contents

xiii

Chapter 44: Access Control List Commands 44-1

IPv4 ACLs 44-1

access-list ip 44-2

permit, deny (Standard IPv4 ACL) 44-2

permit, deny (Extended IPv4 ACL) 44-3

show ip access-list 44-5

ip access-group 44-6

show ip access-group 44-6

IPv6 ACLs 44-7

access-list ipv6 44-7

permit, deny (Standard IPv6 ACL) 44-8

permit, deny (Extended IPv6 ACL) 44-9

show ipv6 access-list 44-10

ipv6 access-group 44-11

show ipv6 access-group 44-11

MAC ACLs 44-12

access-list mac 44-12

permit, deny (MAC ACL) 44-13

show mac access-list 44-14

mac access-group 44-15

show mac access-group 44-15

ACL Information 44-16

show access-list 44-16

show access-group 44-16

Chapter 45: Interface Commands 45-1

interface 45-1

description 45-2

speed-duplex 45-2

negotiation 45-3

capabilities 45-4

flowcontrol 45-5

media-type 45-6

shutdown 45-6

clear counters 45-7

show interfaces status 45-8

show interfaces counters 45-9

show interfaces switchport 45-10

Chapter 46: Link Aggregation Commands 46-1

channel-group 46-2

port channel load-balance 46-3

lacp 46-4

lacp system-priority 46-5

lacp admin-key (Ethernet Interface) 46-6

lacp admin-key (Port Channel) 46-7

Contents

xiv

lacp port-priority 46-8

show lacp 46-8

show port-channel load-balance 46-11

Chapter 47: Broadcast Storm Control Commands 47-1

switchport broadcast packet-rate 47-1

Chapter 48: Mirror Port Commands 48-1

port monitor 48-1

show port monitor 48-2

Chapter 49: Rate Limit Commands 49-1

rate-limit 49-1

Chapter 50: Address Table Commands 50-1

mac-address-table static 50-1

clear mac-address-table dynamic 50-2

show mac-address-table 50-3

mac-address-table aging-time 50-4

show mac-address-table aging-time 50-4

Chapter 51: Spanning Tree Commands 51-1

spanning-tree 51-2

spanning-tree mode 51-2

spanning-tree forward-time 51-3

spanning-tree hello-time 51-4

spanning-tree max-age 51-5

spanning-tree priority 51-5

spanning-tree pathcost method 51-6

spanning-tree transmission-limit 51-7

spanning-tree mst-configuration 51-7

mst vlan 51-8

mst priority 51-9

name 51-9

revision 51-10

max-hops 51-11

spanning-tree spanning-disabled 51-11

spanning-tree cost 51-12

spanning-tree port-priority 51-13

spanning-tree edge-port 51-13

spanning-tree portfast 51-14

spanning-tree link-type 51-15

spanning-tree mst cost 51-16

spanning-tree mst port-priority 51-17

spanning-tree protocol-migration 51-17

show spanning-tree 51-18

show spanning-tree mst configuration 51-20

Contents

xv

Chapter 52: VLAN Commands 52-1

GVRP and Bridge Extension Commands 52-1

bridge-ext gvrp 52-2

show bridge-ext 52-2

switchport gvrp 52-3

show gvrp configuration 52-3

garp timer 52-4

show garp timer 52-5

Editing VLAN Groups 52-5

vlan database 52-5

vlan 52-6

Configuring VLAN Interfaces 52-7

interface vlan 52-7

switchport mode 52-8

switchport acceptable-frame-types 52-9

switchport ingress-filtering 52-9

switchport native vlan 52-10

switchport allowed vlan 52-11

switchport forbidden vlan 52-12

Configuring IEEE 802.1Q Tunneling 52-13

dot1q-tunnel system-tunnel-control 52-14

switchport dot1q-tunnel mode 52-14

switchport dot1q-tunnel tpid 52-15

show dot1q-tunnel 52-16

Displaying VLAN Information 52-16

show vlan 52-17

Chapter 53: Private VLAN Commands 53-1

pvlan 53-1

show pvlan 53-2

Chapter 54: Protocol-based VLAN Commands 54-1

protocol-vlan protocol-group (Configuring Groups) 54-1

protocol-vlan protocol-group (Configuring Interfaces) 54-2

show protocol-vlan protocol-group 54-3

show interfaces protocol-vlan protocol-group 54-4

Chapter 55: Class of Service Commands 55-1

Priority Commands (Layer 2) 55-1

queue mode 55-2

switchport priority default 55-3

queue bandwidth 55-4

queue cos-map 55-4

show queue mode 55-5

show queue bandwidth 55-6

show queue cos-map 55-6

Contents

xvi

Priority Commands (Layer 3 and 4) 55-7

map ip port (Global Configuration) 55-7

map ip port (Interface Configuration) 55-8

map ip precedence (Global Configuration) 55-8

map ip precedence (Interface Configuration) 55-9

map ip dscp (Global Configuration) 55-10

map ip dscp (Interface Configuration) 55-10

show map ip port 55-11

show map ip precedence 55-12

show map ip dscp 55-13

Chapter 56: Quality of Service Commands 56-1

class-map 56-2

match 56-3

policy-map 56-4

class 56-4

set 56-5

police 56-6

service-policy 56-7

show class-map 56-8

show policy-map 56-8

show policy-map interface 56-9

Chapter 57: Multicast Filtering Commands 57-1

IGMP Snooping Commands 57-1

ip igmp snooping 57-1

ip igmp snooping vlan static 57-2

ip igmp snooping version 57-2

show ip igmp snooping 57-3

show mac-address-table multicast 57-3

IGMP Query Commands 57-4

ip igmp snooping querier 57-4

ip igmp snooping query-count 57-5

ip igmp snooping query-interval 57-5

ip igmp snooping query-max-response-time 57-6

ip igmp snooping router-port-expire-time 57-7

Static Multicast Routing Commands 57-8

ip igmp snooping vlan mrouter 57-8

show ip igmp snooping mrouter 57-9

Chapter 58: Domain Name Service Commands 58-1

ip host 58-1

clear host 58-2

ip domain-name 58-3

ip domain-list 58-3

ip name-server 58-4

Contents

xvii

ip domain-lookup 58-5

show hosts 58-6

show dns 58-7

show dns cache 58-7

clear dns cache 58-8

Chapter 59: IPv4 Interface Commands 59-1

ip address 59-1

ip default-gateway 59-2

ip dhcp restart 59-3

show ip interface 59-4

show ip redirects 59-4

ping 59-5

Chapter 60: IPv6 Interface Commands 60-1

ipv6 enable 60-2

ipv6 general-prefix 60-3

show ipv6 general-prefix 60-4

ipv6 address 60-4

ipv6 address autoconfig 60-6

ipv6 address eui-64 60-7

ipv6 address link-local 60-9

show ipv6 interface 60-10

ipv6 default-gateway 60-12

show ipv6 default-gateway 60-12

ipv6 mtu 60-13

show ipv6 mtu 60-14

show ipv6 traffic 60-14

clear ipv6 traffic 60-20

ping ipv6 60-21

ipv6 neighbor 60-22

ipv6 nd dad attempts 60-23

ipv6 nd ns interval 60-25

show ipv6 neighbors 60-26

clear ipv6 neighbors 60-27

Chapter 61: Switch Cluster Commands 61-1

cluster 61-1

cluster commander 61-2

cluster ip-pool 61-2

cluster member 61-3

rcommand 61-4

show cluster 61-4

show cluster members 61-5

show cluster candidates 61-5

Contents

xviii

Section IV: Appendices

Appendix A: Software Specifications A-1

Software Features A-1

Management Features A-2

Standards A-2

Management Information Bases A-3

Appendix B: Troubleshooting B-1

Problems Accessing the Management Interface B-1

Using System Logs B-2

Glossary

Index

xix

Tables

Table 1-1 Key Features 1-1

Table 1-2 System Defaults 1-6

Table 3-1 Web Page Configuration Buttons 3-3

Table 3-2 Switch Main Menu 3-4

Table 9-1 Logging Levels 9-1

Table 11-1 SNMPv3 Security Models and Levels 11-2

Table 11-2 Supported Notification Messages 11-13

Table 12-1 HTTPS System Support 12-6

Table 14-1 802.1X Statistics 14-6

Table 16-1 Port Statistics 16-6

Table 17-1 LACP Port Counters 17-9

Table 17-2 LACP Internal Configuration Information 17-11

Table 17-3 LACP Neighbor Configuration Information 17-13

Table 26-1 Mapping CoS Values to Egress Queues 26-3

Table 26-2 CoS Priority Levels 26-3

Table 26-3 Mapping IP Precedence 26-8

Table 26-4 Mapping DSCP Priority 26-9

Table 31-1 General Command Modes 31-6

Table 31-2 Configuration Command Modes 31-8

Table 31-3 Keystroke Commands 31-9

Table 32-1 Command Group Index 32-1

Table 33-1 General Commands 33-1

Table 34-1 System Management Commands 34-1

Table 35-1 Flash/File Commands 35-1

Table 35-2 File Directory Information 35-6

Table 36-1 Line Commands 36-1

Table 37-1 Event Logging Commands 37-1

Table 37-2 Logging Levels 37-2

Table 37-3 show logging flash/ram - display description 37-6

Table 37-4 show logging trap - display description 37-6

Table 38-1 SMTP Alert Commands 38-1

Table 39-1 Time Commands 39-1

Table 40-1 SNMP Commands 40-1

Table 40-2 show snmp engine-id - display description 40-9

Table 40-3 show snmp view - display description 40-11

Table 40-4 show snmp group - display description 40-13

Table 40-5 show snmp user - display description 40-16

Table 41-1 Authentication Commands 41-1

Table 41-2 User Access Commands 41-1

Table 41-3 Default Login Settings 41-2

Table 41-4 Authentication Sequence Commands 41-3

xx

Tables

Table 41-5 RADIUS Client Commands 41-5

Table 41-6 TACACS+ Client Commands 41-9

Table 41-7 Web Server Commands 41-11

Table 41-8 HTTPS System Support 41-13

Table 41-9 Telnet Server Commands 41-14

Table 41-10 Secure Shell Commands 41-15

Table 41-11 show ssh - display description 41-22

Table 41-12 IP Filter Commands 41-24

Table 42-1 Port Security Commands 42-1

Table 43-1 802.1X Port Authentication Commands 43-1

Table 44-1 Access Control List Commands 44-1

Table 44-2 IPv4 ACL Commands 44-1

Table 44-3 IPv6 ACL Commands 44-7

Table 44-4 MAC ACL Commands 44-12

Table 44-5 ACL Information Commands 44-16

Table 45-1 Interface Commands 45-1

Table 45-2 show interfaces switchport - display description 45-10

Table 46-1 Link Aggregation Commands 46-1

Table 46-2 show lacp counters - display description 46-9

Table 46-3 show lacp internal - display description 46-10

Table 46-4 show lacp neighbors - display description 46-10

Table 46-5 show lacp sysid - display description 46-11

Table 47-1 Broadcast Storm Control Commands 47-1

Table 48-1 Mirror Port Commands 48-1

Table 49-1 Rate Limit Commands 49-1

Table 50-1 Address Table Commands 50-1

Table 51-1 Spanning Tree Commands 51-1

Table 52-1 VLAN Commands 52-1

Table 52-2 GVRP and Bridge Extension Commands 52-1

Table 52-3 Commands for Editing VLAN Groups 52-5

Table 52-4 Commands for Configuring VLAN Interfaces 52-7

Table 52-1 IEEE 802.1Q Tunneling Commands 52-13

Table 52-1 Commands for Displaying VLAN Information 52-16

Table 53-1 Private VLAN Commands 53-1

Table 54-1 Protocol-based VLAN Commands 54-1

Table 55-1 Priority Commands 55-1

Table 55-2 Priority Commands (Layer 2) 55-1

Table 55-3 Default CoS Priority Levels 55-5

Table 55-4 Priority Commands (Layer 3 and 4) 55-7

Table 55-5 Mapping IP Precedence to CoS Values 55-9

Table 55-6 Mapping IP DSCP to CoS Values 55-11

Table 56-1 Quality of Service Commands 56-1

Table 57-1 Multicast Filtering Commands 57-1

Table 57-2 IGMP Snooping Commands 57-1

Table 57-3 IGMP Query Commands 57-4

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Accton Technology ES4524D, 24/48-Port, Direk Tronik 24/48-Port, ES4548D User manual

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