4059 IP set

[nnat]

--- Error A65535-M0-S19 at 10:14:11 ---
Appli : <no session>
Msg : NOT_USED
Status : L3OPEN, end of open timeout

[haroun]

Hi there,

Abcacom (which handles all OXE/Abc-a traffic ) first need to ask OXE on which udp port to listen for inbound abc-a messages.
In order to do this TFTP is used, where a "file" (not really a physical file...) is downloaded containing only the port number ( OXE Base Port + 8 )
OXE Base Port is configurable in OXE and is usually either 32000 or 32512, yielding 32008 or 32520 for abc-a.
Abcacom then start listening for inbound abc-a on this port.
This setup is obviously a nightmare from a firewall point of view, but hey, that's the way it works.
Make sure to add abcacom.exe to communicate thru the firewall using both TFTP and ABC-A.

/B