SMSC LAN9311 User Manual

Page of 460
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
407
Revision 1.4 (08-19-08)
DATASHEET
 
14.5.3.36
Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_MII)
This register counts the number of MAC addresses on Port 0(Host MAC) that were not learned or were
overwritten by a different address due to address table space limitations.
Register #:
1858h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Learn Discard
This field is a count of MAC addresses not learned or overwritten and is 
cleared when read. 
Note:
This counter will stop at its maximum value of FFFF_FFFFh. 
Minimum rollover time at 100Mbps is approximately 481 hours.
RC
00000000h