Enterasys brim-f6 Manual De Usuario

 

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The BRIM-F6 is an FDDI Bridge Router Interface Module (BRIM) 
developed for use in Cabletron’s MMAC-FNB and MicroMMAC. The 
BRIM-F6 can be used to provide a high-speed uplink from lower speed 
networks such as Ethernet to a 100 Mbps FDDI backbone.

 

The BRIM-F6 is equipped with slots for FDDI A and B ports. These two 
ports allow connection to the ring as a Dual Attached Station (DAS) using 
two FPIMs or as a Single Attached Station (SAS) using one FPIM.

As a DAS, the MIM or hub that houses the BRIM-F6 connects directly to 
the FDDI main ring. This provides the reliability of an FDDI dual, 
counter-rotating ring topology. If one segment of the FDDI ring becomes 
disabled, this dual ring configuration provides redundancy and restores 
ring continuity.

As a SAS, the BRIM-F6 connects to the primary ring only by using a 
single FPIM on the BRIM-F6 to attach to the M port of an FDDI 
concentrator. 

A dual homing configuration provides an additional redundancy feature 
for the MIM or hub containing the BRIM-F6. Dual homing is a way of 
connecting to an FDDI ring through the Master (M type) ports of two 
separate dual attached concentrators. If one M type port or one segment 
fails, the redundant port or segment activates automatically to retain 
connection to the ring.

For more information regarding DAS, SAS or dual homing 
configurations, refer to Appendix A, 

 

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The BRIM-F6 provides translational bridging between any channels or 
ports in its host MIM or hub and the FDDI ring.

 

BRIM-F Book  Page 3  Monday, January 29, 1996  9:26 AM