Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
98
of
223
2.8.1.2
VLAN Configuration
IGMP Snooping VLAN Configuration is shown in Figure 2.81. Note that the user needs to enter IP configuration page
(
System
IP
Add IP interface
) to setup IP interface first before the creation of IGMP VLAN interface. The IGMP Snooping
VLAN table is also displayed on this webpage. Each page can show up to 99 entries from the VLAN table, default being 20,
selected through the "entries per page" input field. When first visited, the web page will show the first 20 entries from the
beginning of the VLAN Table. The first displayed will be the one with the lowest VLAN ID found in the VLAN Table. The
"VLAN" input fields allow the user to select the starting point in the VLAN Table. Clicking the
Refresh
button will update
the displayed table starting from that or the next closest VLAN Table match. The
>>
button will use the last entry of the
currently displayed entry as a basis for the next lookup. When the end is reached the text "No more entries" is shown in the
displayed table. Use the
<<
button to start over. Table 2.66 summarizes the descriptions of the IGMP Snooping VLAN
Configuration.
Figure 2.81 Webpage to Configure IGMP Snooping’s VLAN for an IPMC Profile
Table 2.66 Descriptions of IGMP Snooping’s VLAN Configuration for an IPMC Profile
Label
Description
Factory
Default
VLAN ID
The VLAN ID of the entry.
1
Snooping
Enabled
Enable the per-VLAN IGMP Snooping. Up to 8 VLANs can be selected for IGMP
Snooping.
Unchecked
Querier
Election
Enable to join IGMP Querier election in the VLAN. Disable to act as an IGMP Non-
Querier.
Checked
Querier
Address
Define the IPv4 address as source address used in IP header for IGMP Querier election.
When the Querier address is not set, system uses IPv4 management address of the IP
interface associated with this VLAN. When the IPv4 management address is not set,
system uses the first available IPv4 management address. Otherwise, system uses a pre-
defined value. By default, this value will be 0.0.0.0.
0.0.0.0
Compatibility
Compatibility is maintained by hosts and routers taking appropriate actions depending on
the versions of IGMP operating on hosts and routers within a network. The allowed
selection is
IGMP-Auto
,
Forced IGMPv1
,
Forced IGMPv2
,
Forced IGMPv3
, default
compatibility value is IGMP-Auto.
IGMP-Auto
PRI
Priority of Interface. It indicates the IGMP control frame priority level generated by the
system. These values can be used to prioritize different classes of traffic. The allowed
range is 0 (best effort) to 7 (highest), default interface priority value is 0.
0
RV
Robustness Variable. The Robustness Variable allows tuning for the expected packet
loss on a network. The allowed range is 1 to 255, default robustness variable value is 2.
2
QI (sec)
Query Interval. The Query Interval is the interval between General Queries sent by the
Querier. The allowed range is 1 to 31744 seconds, default query interval is 125 seconds.
125
QRI (0.1 sec)
Query Response Interval. The Maximum Response Delay used to calculate the
Maximum Response Code inserted into the periodic General Queries. The allowed range
is 0 to 31744 in tenths of seconds, default query response interval is 100 in tenths of
seconds (10 seconds).
100
LLQI (0.1 sec)
Last Member Query Interval. The Last Member Query Time is the time value
represented by the Last Member Query Interval, multiplied by the Last Member Query
10
