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Page 46 | AlliedWare™ OS How To Note: IGMP
IGMP throttling (limiting the number of streams for each subscriber) > Explanation of IGMP throttling (limiting the number of streams
Membership Report for that group. IGMP throttling cannot distinguish between different
clients on the same port. For this reason, the limit is tied to the port, not to the client.
When we deny groups instead of replacing them
Finally, we will consider the effect of changing the IGMP throttle action to deny, by using the
command below.
Once the six slots are filled, additional attempts to join other groups fail. Neither switch 2’s
IGMP snooping table nor switch
1
’s IGMP table register the new groups, because switch 2
drops the client’s Membership Report without taking any further action.
However, if the client attempts to join a group that already occupies one of the six slots, this
renews the IGMP Querier’s refresh time and the IGMP Snooper’s entry timeout for the
X Modify switch 2 Configuration
set switch port=2 igmpmaxgroup=6 igmpaction=deny