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User Manual for the NETGEAR 7200 Series Layer 2 Managed Switch Software CLI See "Command Line Interface" on page 4. Collision A term used to describe two colliding packets in an Ethernet network. Collisions are a part of normal Ethernet operation, but a sudden prolonged increase in the number of collisions can indicate a problem with a device, particularly if it is not accompanied by a general increase in traffic. Command Line Interface CLI is a line-item interface for configuring systems. (In the case of LVL7, it is one of the user interfaces they have programmed for allowing programmers to configure their system). D DHCP See "Dynamic Host Configuration Protocol" on page 5. Differentiated Services Diffserv is a protocol for specifying and controlling network traffic by class so that certain types of traffic get precedence - for example, voice traffic, which requires a relatively uninterrupted flow of data, might get precedence over other kinds of traffic. Differentiated Services is the most advanced method for managing traffic in terms of what is called Class of Service (CoS). Unlike the earlier mechanisms of 802.1P tagging and Type of Service (ToS), Differentiated Services avoids simple priority tagging and depends on more complex policy or rule statements to determine how to forward a given network packet. An analogy is made to travel services, in which a person can choose among different modes of travel - train, bus, airplane degree of comfort, the number of stops on the route, standby status, the time of day or period of year for the trip, and so forth. For a given set of packet travel rules, a packet is given one of 64 possible forwarding behaviors - known as per hop behaviors (PHBs). A six-bit field, known as the Differentiated Services Code Point (DSCP), in the Internet Protocol (Internet Protocol) header specifies the per hop behavior for a given flow of packets. Differentiated Services and the Class of Service approach provide a way to control traffic that is both more flexible and more scalability than the Quality of Service approach. Diffserv See "Differentiated Services" on page 4. DNS Short for Domain Name System (or Service), an Internet service that translates domain names into IP addresses. Because domain names are alphabetic, they're easier to remember. The Internet however, is really based on IP addresses. Every time you use a domain name, therefore, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.example.com might translate to B-4 Glossary 202-10010-01

Section	Page
User Manual for the NETGEAR 7200 Series Layer 2 Managed Switch Software	1
Technical Support	2
Trademarks	2
Statement of Conditions	2
Regulatory Compliance Information	2
Canadian Department of Communications Compliance Statement	3
EN 55 022 Declaration of Conformance	3
Contents	5
Chapter 1 About This Guide	15
Audience	15
Why the Document was Created	15
How to Use This Document	15
Typographical Conventions	16
Special Message Formats	16
Features of the HTML Version of this Manual	17
How to Print this Manual	18
Chapter 2 Switch Management Overview	19
Scope	19
Switch Management Overview	19
Chapter 3 Command Line Interface Syntax	21
Format	21
Command	22
Parameters	22
Values	22
Conventions	23
Annotations	24
Chapter 4 Administration Console Telnet Interface	25
Set Up Your Switch Using Direct Console Access	25
Chapter 5 Web-Based Management Interface	29
Web Based Management Overview	29
How to Log In to the GSM7224	30
Web-Based Management Utility Features	31
Interactive Switch Image	31
Menus	31
System-Wide Popup Menus	32
Port-Specific Popup Menus	32
Chapter 6 Quick Startup	33
Quick Starting the Switch	33
System Info and System Setup	34
Quick Startup Software Version Information	34
Quick Startup Physical Port Data	35
Quick Startup User Account Management	35
Quick Startup IP Address	36
Quick Startup Uploading from Switch to Out-of-Band PC (Only XMODEM)	38
Quick Startup Downloading from Out-of-Band PC to Switch (Only XMODEM)	38
Quick Startup Downloading from TFTP Server	39
Quick Startup Factory Defaults	39
VLAN Configuration Example	40
Solution 1	41
Solution 2	41
Chapter 7 Switching Commands	43
System Information and Statistics Commands	43
show inventory	43
show sysinfo	44
config sysname	44
config syslocation	45
config syscontact	45
show arp switch	45
show forwardingdb table	45
show forwardingdb learned	46
show stats port detailed	46
show stats port summary	51
show stats switch detailed	52
show stats switch summary	53
show eventlog	54
show msglog	54
show traplog	54
Management Commands	55
show network	55
config network macaddr	55
config network mactype	56
config network parms	56
config network protocol	56
config network webmode	56
config network javamode	57
config prompt	57
show serial	57
config serial baudrate	58
config serial timeout	58
show serviceport	58
config serviceport parms	58
config serviceport protocol	58
show snmpcommunity	59
config snmpcommunity accessmode	59
config snmpcommunity create	60
config snmpcommunity delete	60
config snmpcommunity ipaddr	60
config snmpcommunity ipmask	60
config snmpcommunity mode	61
show snmptrap	61
config snmptrap create	61
config snmptrap delete	61
config snmptrap ipaddr	62
config snmptrap mode	62
show trapflags	62
config trapflags authentication	63
config trapflags bcaststorm	63
config trapflags linkmode	63
config trapflags multiusers	63
config trapflags stpmode	63
show telnet	64
config telnet maxsessions	64
config telnet mode	64
config telnet timeout	64
show forwardingdb agetime	65
config forwardingdb agetime	65
Device Configuration Commands	65
show switchconfig	66
config switchconfig broadcast	66
config switchconfig flowcontrol	66
show port	66
config port adminmode	67
config port flowcontrol	67
config port linktrap	68
config port physicalmode	68
config port lacpmode	68
config port autoneg	68
show lag	68
config lag create	69
config lag addport	69
config lag deleteport	69
config lag adminmode	70
config lag linktrap	70
config lag name	70
config lag deletelag	70
config lag stpmode	70
show vlan summary	71
show vlan detailed	71
config vlan create	72
config vlan delete	72
config vlan name	72
config vlan makestatic	73
config vlan participation	73
config vlan port tagging	73
show vlan port	74
config vlan port pvid	74
config vlan port acceptframe	74
config vlan port ingressfilter	75
show protocol	75
config protocol create	75
config protocol delete	75
config protocol protocol add	76
config protocol protocol remove	76
config protocol vlan add	76
config protocol vlan remove	76
config protocol interface add	77
config protocol interface remove	77
show garp info	77
show garp interface	77
config garp gmrp adminmode	78
config garp gmrp interface mode	78
config garp gvrp adminmode	79
config garp gvrp interface mode	79
config garp jointimer	79
config garp leavetimer	79
config garp leavealltimer	80
show igmpsnooping	80
config igmpsnooping adminmode	81
config igmpsnooping groupmembershipinterval	81
config igmpsnooping maxresponse	81
config igmpsnooping mcrtrexpiretime	81
config igmpsnooping interface mode	82
show mfdb table	82
show mfdb gmrp	82
show mfdb igmpsnooping	83
show mfdb staticfiltering	83
show mfdb stats	84
show mirroring	84
config mirroring create	84
config mirroring delete	85
config mirroring mode	85
show macfilter	85
config macfilter create	85
config macfilter remove	86
config macfilter addsrc	86
config macfilter delsrc	86
config macfilter adddest	87
config macfilter deldest	87
Spanning Tree Commands	87
show spanningtree summary	88
config spanningtree adminmode	88
config spanningtree forceversion	89
config spanningtree configuration name	89
config spanningtree configuration revision	89
show spanningtree port	89
config spanningtree port migrationcheck	90
config spanningtree port mode	90
show spanningtree bridge	90
config spanningtree bridge maxage	91
config spanningtree bridge hellotime	91
config spanningtree bridge forwarddelay	91
config spanningtree bridge priority	91
show spanningtree cst detailed	91
show spanningtree cst port summary	92
show spanningtree cst port detailed	93
config spanningtree cst port pathcost	93
config spanningtree cst port priority	94
config spanningtree cst port edgeport	94
config spanningtree mst create	94
config spanningtree mst delete	94
config spanningtree mst vlan add	95
config spanningtree mst vlan remove	95
config spanningtree mst priority	95
config spanningtree mst port pathcost	95
config spanningtree mst port priority	96
show spanningtree mst summary	96
show spanningtree mst detailed	96
show spanningtree mst port summary	97
show spanningtree mst port detailed	97
show spanningtree vlan	97
User Account Management Commands	98
show users	98
config users add	98
config users passwd	99
config users delete	99
config users snmpv3 authentication	99
config users snmpv3 encryption	99
config users snmpv3 accessmode	100
show loginsession	100
config loginsession close	100
Security Commands	100
config radius maxretransmit	101
config radius timeout	101
config radius accounting mode	101
config radius accounting server add	102
config radius accounting server port	102
config radius accounting server remove	102
config radius accounting server secret	102
config radius server add	103
config radius server port	103
config radius server remove	103
config radius server secret	103
config radius server primary	104
config radius server msgauth	104
show radius summary	104
show radius server summary	104
show radius server stats	105
show radius accounting summary	106
show radius accounting stats	106
show radius stats	107
clear radius stats	107
config dot1x adminmode	107
config dot1x port initialize	107
config dot1x port reauthenticate	107
config dot1x port controldir	108
config dot1x port controlmode	108
config dot1x port quietperiod	108
config dot1x port transmitperiod	109
config dot1x port supptimeout	109
config dot1x port servertimeout	109
config dot1x port maxrequests	109
config dot1x port reauthperiod	109
config dot1x port reauthenabled	110
show dot1x summary	110
show dot1x port summary	110
show dot1x port detailed	110
show dot1x port stats	111
clear dot1x port stats	112
config authentication login create	112
config authentication login delete	113
config authentication login set	113
config dot1x defaultlogin	114
config dot1x login	114
config dot1x port users add	114
config dot1x port users remove	114
config users defaultlogin	114
config users login	115
show authentication login info	115
show authentication login users	115
show dot1x port users	115
show users authentication	116
System Utilities	116
save config	116
logout	116
transfer upload mode	116
transfer upload serverip	117
transfer upload path	117
transfer upload filename	118
transfer upload datatype	118
transfer upload start	118
transfer download mode	118
transfer download serverip	119
transfer download path	119
transfer download filename	119
transfer download datatype	119
transfer download start	120
clear transfer	120
clear config	120
clear pass	120
clear traplog	120
clear vlan	120
clear lag	121
clear stats port	121
clear stats switch	121
clear igmpsnooping	121
reset system	121
ping	122
Chapter 8 Differentiated Services	123
Appendix A Cabling Guidelines	125
Fast Ethernet Cable Guidelines	125
Category 5 Cable	126
Category 5 Cable Specifications	126
Twisted Pair Cables	127
Patch Panels and Cables	128
Using 1000BASE-T Gigabit Ethernet over Category 5 Cable	129
Cabling	129
Near End Cross Talk (NEXT)	130
Patch Cables	130
RJ-45 Plug and RJ-45 Connectors	130
Conclusion	132
Appendix B Glossary	133
Numeric	133
A	134
B	134
C	135
D	136
E	137
F	138
G	139
H	140
I	140
L	141
M	142
N	143
O	144
P	144
Q	145
R	145
S	146
T	148
U	149
V	149
W	149
X	150

Match case Limit results 1 per page

User Manual for the NETGEAR 7200 Series Layer 2 Managed Switch Software

B-4

Glossary

202-10010-01

CLI

See “Command Line Interface” on page 4.

Collision

A term used to describe two colliding packets in an Ethernet network. Collisions are a part of normal

Ethernet operation, but a sudden prolonged increase in the number of collisions can indicate a problem with

a device, particularly if it is not accompanied by a general increase in traffic.

Command Line Interface

CLI is a line-item interface for configuring systems. (In the case of LVL7, it is one of the user interfaces they

have programmed for allowing programmers to configure their system).

DHCP

See “Dynamic Host Configuration Protocol” on page 5.

Differentiated Services

Diffserv is a protocol for specifying and controlling network traffic by class so that certain types of traffic

get precedence - for example, voice traffic, which requires a relatively uninterrupted flow of data, might get

precedence over other kinds of traffic. Differentiated Services is the most advanced method for managing

traffic in terms of what is called Class of Service (CoS). Unlike the earlier mechanisms of 802.1P tagging

and Type of Service (ToS), Differentiated Services avoids simple priority tagging and depends on more

complex policy or rule statements to determine how to forward a given network packet. An analogy is made

to travel services, in which a person can choose among different modes of travel - train, bus, airplane -

degree of comfort, the number of stops on the route, standby status, the time of day or period of year for the

trip, and so forth. For a given set of packet travel rules, a packet is given one of 64 possible forwarding

behaviors - known as per hop behaviors (PHBs). A six-bit field, known as the Differentiated Services Code

Point (DSCP), in the Internet Protocol (Internet Protocol) header specifies the per hop behavior for a given

flow of packets. Differentiated Services and the Class of Service approach provide a way to control traffic

that is both more flexible and more scalability than the Quality of Service approach.

Diffserv

See “Differentiated Services” on page 4.

DNS

Short for Domain Name System (or Service), an Internet service that translates domain names into IP

addresses.

Because domain names are alphabetic, they're easier to remember. The Internet however, is really based on

IP addresses. Every time you use a domain name, therefore, a DNS service must translate the name into the

corresponding IP address. For example, the domain name www.example.com might translate to