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Barracuda NextGen Firewall X

Driver options for Realtek network adapters

  • Type: Knowledgebase
  • Date changed: 5 months ago
Solution #00005101 
This solution replies to:
- NG Firewall firmware versions 4.2.x, 5.0.x, 5.2.x
- netfence firmware versions 4.2.x


Some switches require setting the link speed of a network adapter manually, whitout autonegotiation. This atricle affects not the module 8139cp.ko / 8139co.o


This is possible via "Config" > "Box" > "Network" > "Inerfaces" > "Physical Interfaces" or directly in the interface setting via  "Config" > "Box" > "Network" > "Inerfaces" > "Network Interface Cards" as a driver module option.


To set the link-speed of a network card manually supply the driver options of the respective network card driver.


Driver Options:

media=0x211 (10Base-T FULL)
media=0x231 100Base-T FULL)
media=0x1 (10Base-T HALF)
media=0x21 (100Base-T HALF)


To set the link speed of a single Realtek interface to 100 MBit Full Duplex supply the following driver parameter:



To set the link speed of one Realtek interface to 100 MBit Half Duplex and the other Realtek interface to 10 MBit Full Duplex supply the following driver parameters:



For further information on network card drivers please visit the hardware support section of the support page.



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