Huawei S1720 User Manual

S1700 Managed Series Ethernet Switches
Web User Manual
5 Service Management
Issue 05 (2012-10-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
73
Item
Description
Last Member Query Interval
Represents the time interval when IGMP receiving the
IGMP leave group message sent by the host, and
sending IGMP specific group query message. The unit
is second.
Robustness Variable
This value is adjusted by the expected packet loss ratio.
This value should be corresponding increased to adapt
to the increasing packet loss if packet loss is high on
LAN. The value range is 2~5; the default is 2.
Query Interval
This value is used to set the time interval for
transmitting IGMP query. The range is 1~31744
second(s); the default is 125 seconds.
Step 3 Adjust the needed IGMP settings.
Step 4 Click Apply button to apply all the changes made.
----End
5.6.3 Group Deny
Click Service Management>IGMP Snooping> Group Deny to view interface‟s IGMP
Snooping learning status; shown as the figure below.
Figure 5-37 Group Deny
Table 5-24 Parameters of Group Deny
Item
Description
VLAN
VLAN ID number.
Interface Name
Interface number in this VLAN.
Group Deny
Learning status of interface
Create IGMP Snooping Group Deny
Step 1 Click Service Management>IGMP Snooping> Group Deny.
Step 2 Click New button to open the configuration page shown as the figure below.

Huawei S1720 Specifications

General

Operating Temperature	0°C to 45°C
MAC Address Table	8K
Ports	4 100/1000BASE-X SFP ports
VLAN	4094
Stacking	Not supported
Dimensions	442 mm x 220 mm x 43.6 mm (S1720-28GFR-4P)
Power Supply	AC: 100 V to 240 V, 50/60 Hz
Series	S1700
Type	Fixed
Fixed ports	4 x GE Combo
Storage Temperature	-40°C to +70°C
Operating Humidity	5% to 95% (non-condensing)
Storage Humidity	5% to 95% (non-condensing)