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IGMP Snooping, Switch Setup Screen

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P-871H Series User's Guide 5.4 IGMP Snooping A layer-2 device can passively snoop on IGMP Query, Report and Leave (IGMP version 2) packets transferred between IP multicast routers/switches and IP multicast hosts to learn the IP multicast group membership. It checks IGMP packets passing through it, picks out the group registration information, and configures multicasting accordingly. IGMP snooping allows the Prestige to learn multicast groups without you having to manually configure them. The Prestige forwards multicast traffic destined for multicast groups (that it has learned from IGMP snooping or that you have manually configured) to ports that are members of that group. The Prestige discards multicast traffic destined for multicast groups that it does not know. IGMP snooping generates no additional network traffic, allowing you to significantly reduce multicast traffic passing through your Prestige. 5.5 Switch Setup Screen Click Basic Setting and then Switch Setup in the navigation panel to display the screen as shown. The VLAN setup screens change depending on whether you choose 802.1Q or Port Based in the VLAN Type field in this screen. Refer to the chapter on VLAN. Chapter 5 Basic Setting 37

Section	Page
P-871G Series User’s Guide	1
Copyright	2
Interference Statements and Warnings	3
Safety Warnings	4
ZyXEL Limited Warranty	5
Customer Support	6
Table of Contents	8
List of Figures	12
List of Tables	14
Preface	16
Getting to Know Your Prestige	18
1.1 Introduction	18
1.2 Software Features	18
1.3 Hardware Features	19
1.4 Internet Access Application	19
Hardware Overview	20
2.1 Hardware Connection	20
2.2 Front Panel LEDs	20
2.3 Rear Panel	21
2.3.1 VDSL Port	21
2.3.2 PHONE Port	21
2.3.3 LAN Ports	21
2.3.4 Console Port	21
2.3.5 POWER Port	22
The Web Configurator	24
3.1 Introduction	24
3.2 System Login	24
3.3 The Status Screen	25
3.3.1 Change Your Password	27
3.4 Prestige Lockout	27
3.5 Resetting the Prestige	28
3.5.1 Reload the Configuration File	28
3.6 Logging Out of the Web Configurator	29
3.7 Help	29
System Status and Port Statistics	30
4.1 Overview	30
Basic Setting	36
5.1 Overview	36
5.3 Introduction to VLANs	37
5.4 IGMP Snooping	38
VLAN	44
6.1 Introduction to IEEE 802.1Q Tagged VLAN	44
6.1.1 Forwarding Tagged and Untagged Frames	44
6.2 Select the VLAN Type	45
6.4.1 Configure a Port-based VLAN	50
Broadcast Storm Control	52
7.2 Broadcast Storm Control Setup	52
Maintenance	54
8.1.1 VDSL Chip Reset	54
8.1.2 Load Factory Defaults	54
8.1.3 Reboot System	55
8.2 Firmware and Configuration Management	55
8.2.1 Filename Conventions	56
8.2.1.1 Example FTP Commands	56
8.2.2 FTP Command Line Procedure	56
8.2.3 GUI-based FTP Clients	57
MAC Table	58
9.2 Viewing the MAC Table	59
Introduction to CLI	60
10.1 Overview	60
10.1.1 Accessing the Command Line Interface	60
10.2 The Login Screen	60
10.2.1 Command Conventions	61
10.2.2 Command Syntax Conventions	61
10.2.3 Getting Help	61
10.3 Command Summary	62
Command Examples	64
11.1 Overview	64
11.2 config save	64
11.3 ip igmpsnoop	64
11.4 sys password	64
11.5 sys sw bmstorm enable	65
11.6 sys sw mac list	65
11.7 Ethernet Port Setup	65
11.7.1 sys sw port enable	66
11.7.2 sys sw port speed	66
11.7.3 sys sw port status	66
11.7.4 sys sw qos defpri	67
11.7.5 sys sw vlan status	67
11.7.6 sys sw vlan type	67
11.7.7 sys sw vlan1q port status	68
11.7.8 sys sw vlan1q port defaultVID	68
11.7.9 sys sw vlan1q svlan list	69
11.7.10 sys sw vlan1q svlan setentry	69
11.7.11 sys sw vlan1q status	69
Setting up Your Computer’s IP Address	72
Verifying Settings	87
IP Subnetting	88
ASCII Characters	96
Index	98
Numerics	98
A	98
B	98
C	98
D	98
E	98
F	98
G	99
H	99
I	99
L	99
M	99
N	99
O	99
P	99
Q	100
R	100
S	100
T	100
U	100
V	100
W	101

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P-871H Series User’s Guide

Chapter 5 Basic Setting

5.4

IGMP Snooping

A layer-2 device can passively snoop on IGMP Query, Report and Leave (IGMP version 2)

packets transferred between IP multicast routers/switches and IP multicast hosts to learn the IP

multicast group membership. It checks IGMP packets passing through it, picks out the group

registration information, and configures multicasting accordingly. IGMP snooping allows the

Prestige to learn multicast groups without you having to manually configure them.

The Prestige forwards multicast traffic destined for multicast groups (that it has learned from

IGMP snooping or that you have manually configured) to ports that are members of that

group. The Prestige discards multicast traffic destined for multicast groups that it does not

know. IGMP snooping generates no additional network traffic, allowing you to significantly

reduce multicast traffic passing through your Prestige.

5.5

Switch Setup Screen

Click

Basic Setting

and then

Switch Setup

in the navigation panel to display the screen as

shown. The VLAN setup screens change depending on whether you choose

802.1Q

Port

Based

in the

VLAN Type

field in this screen. Refer to the chapter on VLAN.