Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Datasheet

14.5.3.36Switch Engine Port 0 Learn Discard Count Register (SWE_LRN_DISCRD_CNT_MII)

Register #:

1858h

Size:

32 bits

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.

BITS

DESCRIPTION

TYPE

DEFAULT

 

 

 

 

31:0

Learn Discard

RC

00000000h

 

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.

 

 

 

 

 

 

SMSC LAN9311/LAN9311i

407

Revision 1.4 (08-19-08)

 

DATASHEET