Compex Systems SGX3226 - Manual (Page 57)

Chapter 7 Advanced Configuration for Compex SGX3226
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When a router receives a Report, it adds the group being reported to the list
of multicast group memberships on the network on which it received the
Report and sets the timer for the membership to the [Group Membership
Interval].
When a host joins a multicast group, it should immediately transmit an
unsolicited Version 2 Membership Report for that group, in case it is the
first member of that group on the network
When a host leaves a multicast group, if it was the last host to reply to a
Query with a Membership Report for that group, it SHOULD send a Leave
Group message to the all-routers multicast group.
7.3 Stack Configuration
Stacking Management can be implemented in a multi-storey building or even in a
geographically dispersed campus. Upon activating the stacking management functions,
the system administrator is able to access to other switches easily.
By selecting the switch from the Stack Access field, you can configure any of the
switches that are connected to the network.
NOTE
A stack can only accepts up to 16 switches, including the master switch. All
switches in a particular stack must be in the same IP subnet. Upon clicking on
the Stack Config option, the Stack Management GUI will appear as shown in
the figure. The system will prompt you to manage the network through the
master switch after enabling it.