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7600 10/100/1000 modules

justanas1
Level 1
Level 1

Dear sir,

i found 7600 module with

WS-X6516-GE-TX, Catalyst 6500 16-port 10/100/1000 GE Module, Cross-Bar

so what cross bar mean?

and what is the difference between this Module and the following module:

WS-X6748-GE-TX, Cat6500 48-port 10/100/1000 GE Mod: fabric enabled, RJ-45

1 Reply 1

mihanlin
Level 1
Level 1

Crossbar fabric is a marketing term Cisco uses to describe one of the backplanes on a 6500/7600.

It basically means that each linecard is connected through to eachother via the crossbar. On a Sup720 the crossbar is integrated into the Supervisor. On older Sup2 it's a dedicated card that is placed into the middle slot(s) of the chassis. There are actually two channels per slot which go to the crossbar, with speeds up to 720Gbps per slot.

The main architectural differences between the card is that the X6748 has dual fabric channels to the crossbar and the 6516 has only one. This obviously results in less throughput to other linecards.

Hope this helps

Michael

Cisco TAC - LAN Switching

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