Updated my iMac 2011 27" to 10.11.4 build 15E33e, and still works,
never had to install a additional driver
system report:
USB 10/100 LAN:
Product ID: 0x8152
Vendor ID: 0x0bda (Realtek Semiconductor Corp.)
Version: 20.00
Serial Number: 001337XXXXXX
Speed: Up to 480 Mb/sec
Manufacturer: Realtek
Location ID: 0xfd130000 / 5
Current Available (mA): 1000
Current Required (mA): 100
Extra Operating Current (mA): 0
BSD Name: en6
ifconfig:
en6: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=4<VLAN_MTU>
ether 00:13:37:XX:XX:XX
inet6 fe80::213:37ff:fea5:814a%en6 prefixlen 64 scopeid 0xc
inet 172.16.42.238 netmask 0xffffff00 broadcast 172.16.42.255
nd6 options=1<PERFORMNUD>
media: autoselect (100baseTX <full-duplex>)
status: active
Mac address is masked