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Introduction
Chapter 1
Introduction to the Smart Ringswitch Gigabit Module
The Smart Ringswitch Gigabit Module is an option module that supports Gigabit Ethernet connections at
1000 Mbps.
Features of the Smart Ringswitch Gigabit Module
The following sections introduce features of the Gigabit Module:
• Connection to Gigabit LAN segments
• Jumbo frame size support
• Token ring to Ethernet translational bridging support
Connection to Gigabit LAN segments
If you install a Smart Ringswitch Gigabit Module into a Smart Ringswitch Plus Chassis or a Smart Ringswitch
Express you can connect token ring LAN segments with Gigabit Ethernet LAN segments.
For more information about the Smart Ringswitch Gigabit Module, see Chapter 2, Connecting the Smart
Ringswitch Gigabit Module.
Jumbo frame size support
Jumbo frame support lets you transmit frames onto Gigabit Ethernet greater than 1514 bytes (standard
Ethernet). Sizes up to 9014 bytes (Jumbo Ethernet) are supported. Larger frame sizes improve
performance and let standard token ring traffic bridge to Gigabit Ethernet without fragmentation.
Gigdoc.book Page 1 Tuesday, October 17, 2000 9:44 AM