TM4C1294NCPDT Cable length and pairing with TLK111

I have a some questions about the Ethernet behavior of the TLK11 PHYTER  vs
the TM4C1294NCPDT and also how 1588 interacts with external PHYs.

1 - How does the TM4C1294NCPDT compare to the TLK111 in terms of cable length at
both 100BaseT and 10BaseT rates? According to the TLK111 data sheet, it is able
to operate with cables that are 150M long at 100BaseT rates and 300M at 10BaseT
rates.

2 - If we were to use the TM4C1292NCPDT with two TLK111's to create a dual port
Ethernet interface, how would the 1588 timing be preserved for packets flowing
between the two PHYs?

3 - The TLK111 has provisions for detecting the SFD as mentioned in the data sheet
(SLLSEF8C –AUGUST 2013–REVISED NOVEMBER 2014) on page 36 under the heading "5.6
IEEE 1588 Precision Timing Protocol Support" where it says this is supported in
the 100BT mode. Does that mean it isn't supported in 10BT (10-BaseT) mode?

4 - Related to question 3 above, can the TLK111 be used with the TM4C1292NCPDT
while operating in the 10BaseT mode and still get the 1588 timing information?

5 - Are there any application notes or other information on using the
TM4C1292NCPDT with external PHYs?

6 - Is there a dual PHYTER planned that supports 1588?

 - Kent