
BayStack 450 10/100/1000 Series Switches
IGMP Snooping Feature
For conserving bandwidth and controlling IP Multicast, the IGMP snooping feature can provide the same benefit as IP Multicast routers, but in the local area.
For more information about the IGMP snooping feature, see “ IGMP Snooping” on page
Flash Memory Storage
Storage of Switch Software Image
The BayStack 450 switch uses flash memory to store the switch software image. The flash memory allows you to update the software image with a newer version without changing the switch hardware (see “Software Download” on page
If a BootP server is set up properly on the network and the BayStack 450 switch detects a corrupted software image during the
Storage of Configuration Parameters
Certain configuration parameters, including the system characteristics strings, some VLAN parameters, IGMP configuration parameters, and the MultiLink Trunk names are stored in flash memory. These parameters are updated every 10 minutes or whenever a reset command is executed.
Note: Do not power off the switch within 10 minutes of changing any configuration parameters. Powering down the switch within 10 minutes of changing configuration parameters can cause the changed configuration parameters to be lost.
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