Netgear M4300-52G (GSM4352S) - Stackable Managed Switch with 48x1G and 4x10G including 2x10GBASE-T and 2xSFP+ Layer 3 用户手册

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Launch a web browser.

Enter http://<ipaddress> in the web browser address field.

The login window opens.

Enter the user name and password. 

The default admin user name is admin and the default admin password is blank, that is, 
do not enter a password.

Click the Login button. 

The System Information page displays.

Select Routing

> Multicast > IGMP > IGMP Groups. 

Querier Up Time

The time in seconds since the IGMP interface querier was last 
changed.

Querier Expiry Time

The time in seconds remaining before the other querier present timer 
expires. If the local system is the querier, this is zero.

Wrong Version Queries Received

The number of queries that were received on the selected interface 
with an IGMP version that does not match the IGMP version configured 
for the interface, over the lifetime of the entry. IGMP requires that all 
routers on a LAN be configured to run the same version of IGMP. 
Therefore, a configuration error is indicated if any queries are received 
with the wrong version number. 

Number of Joins Received

The number of times a group membership was added on the selected 
interface; that is, the number of times an entry for this interface was 
added to the cache table. This gives an indication of the amount of 
IGMP activity on the interface.

Number of Groups

The current number of entries for the selected interface in the cache 
table.