Is it true that maximum network module NM-1FE -TX only 4 for Cisco 3660 if the internal fast ethernet interfaces not used. maybe it;s restriction of IOS version 12.0(5)
no any restrictions about nubmer of FE modules (except physicals :) )
you can use up to 26 FE ports on the 3660 chassis (may be more)
But, how can we use up 26 FE? Is there Swithcing module?
for example 6 NM-4E modules and 2 chassis ports
or for example this module - NMD-36ESW and etc
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