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ET42202M-S-PD
L2+ Managed 20-port 100Base-FX/1000Base-X SFP + 4-port 10/100/1000Base-T or
100/1000Base-FX SFP Combo Optical Ethernet Switch with AC + DC inputs
2-11.2.2 VLAN Configuration
When MLD snooping is enabled on a VLAN, the switch acts to minimize unnecessary multicast
traffic. If the switch receives multicast traffic destined for a given multicast address, it forwards
that traffic only to ports on the VLAN that have MLD hosts for that address. It drops that traffic
for ports on the VLAN that have no MLD hosts
The 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.
Web Interface
To configure the MLD Snooping VLAN Configuration in the web interface:
1. Click Configuration, IPMC, MLD Snooping, VLAN Configuration
2. Specify the VLAN ID with entries per page.
3. Click " Refresh"
Information.
4. Click "<< or >> " to move to previous or next entry.
Figure 2-11.2.2: The MLD Snooping VLAN Configuration.
Parameter description:
Delete :
Check to delete the entry. The designated entry will be deleted during the next save.
VLAN ID :
It displays the VLAN ID of the entry.
IGMP Snooping Enabled :
Enable the per-VLAN IGMP Snooping. Only up to 32 VLANs can be selected. .
Querier Election :
Enable to join IGMP Querier election in the VLAN. Disable to act as an IGMP Non-Querier.
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 192.0.2.1.
Compatibility :
Compatibility is maintained by hosts and routers taking appropriate actions depending on
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to refresh an entry of the MLD Snooping VLAN Configuration
131
Ver.1.0
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