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7.3.1
"Current Multicast Groups" web page
The table on this web page provides an overview of the current multicast groups created on
this MMS. These include multicast groups that are assigned as a result of IGMP snooping
or groups that are statically created.
Figure 7-1
"Current Multicast Groups" web page
These checkboxes indicate which port has been assigned to each individual group.
The overview for group membership is based on the "dot1qTpGroupTable" SNMP group.
This table contains all groups (static entries and IGMP) and their members.
7.3.2
Creating static multicast groups
This web page is used to create and manage statically configured multicast groups. In order
to create a multicast group, enter the MAC address provided (see "Multicast addresses" on
page 7-4) for the multicast group in the "Multicast Group Address" field, add the ports of the
data paths to the group members, and confirm these entries by entering a valid password.
If a group address is entered as an IP address, the IP address is converted into a multicast
MAC address according to the specifications of IEEE 802.1 D/p.
Overwriting a dynamic group with a static configuration means that a new port assignment
for this group cannot be created dynamically. Only deleting this group will enable port
assignment for this group to be started dynamically.
Conversion
The guidelines for converting multicast IP addresses into a multicast MAC address results
in the mapping of different IP groups to the same MAC group. Avoid the use of IP groups:
–
That do
not
differ in the
first and second byte
from the right
–
That differ by 128 in the
third byte
from the right
Please note that all multicast groups that are known to the switch, including the
dynamically detected groups that have not been created manually, are shown on this web
page.
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