Forum Discussion

Messe's avatar
Messe
Icon for Nimbostratus rankNimbostratus
Oct 21, 2013

BNA and LTM 4200v TFTP not working.

I am running BNA for configuration backup. BNA logs in, TFTPs the files back, and saves them. If we needed to restore the LTM, I can have the LTM pull the config file back down. We have this working ...
management
Messe's avatar
Messe
Icon for Nimbostratus rankNimbostratus
Oct 25, 2013

Here is the update we have received from support.

 

I have spoken with the escalation engineer and at this point we have confirmed that the issue with TFTP connectivity exists in v11.2.x but does not in v11.4.1 so we are sifting through any known issues that may cause this intermittent behavior.

 

From the tcpdumps, we see that the initial RRQ(get) / WRQ (put) communication on port 69 is fine. It's the data flow over the ephemeral port that isn't recognized by BIG-IP causing an ICMP port unreachable response.