Instant EtherFast® Series
•Expire - The time remaining before this entry will be aged out. (The default is 260 seconds.)
•V1 Timer - The time remaining until the Switch assumes that there are no longer any IGMP Version 1 members on the IP subnet attached to this interface. (The default is 400 seconds.) If the Switch receives an IGMP Version 1 Membership Report, it sets a timer to note that there are Version 1 hosts present which are mem- bers of the group for which it heard the report. If there are Version 1 hosts present for a particular group, the Switch will ignore any Leave Group messages that it receives for that group.
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EtherFast® Layer 3 Management
Multicast Forwarding Cache
The Multicast Forwarding Cache displays the settings for the cache.
•Group Address - An IP multicast group address with subscribers directly attached or downstream from this Switch.
•Source Address - The IP subnetwork at the root of the multicast delivery tree. This subnetwork contains a known multicast source.
•Mask - Subnet mask that is used for the source address. This mask identifies the host address bits used for routing to specific subnets.
•Upstream Nbr - The IP address of the network device immediately upstream for this group.
•Protocol - The multicast routing protocol associated with this entry.
•Up Time - The time elapsed since this entry was created.
Select Apply to make changes. Select OK to return to the previous panel. Select Prev Page to view the previous page. Select Next Page to view the next page. To display a specific page, set the page number in the Page field and then press Apply.
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