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Forum Discussion

Matthew_Gamble_'s avatar
Matthew_Gamble_
Icon for Nimbostratus rankNimbostratus
Mar 12, 2009

TFTP Server?

Is it possible to write a simple TFTP server as an iRule to return static content? I see some examples for load balancing TFTP requests, but not for actually acting as a TFTP server. I have a very s...
application delivery
dev
devops
iRules
Nat_Thirasuttakorn's avatar
Nat_Thirasuttakorn
Icon for Employee rankEmployee
Mar 19, 2009
your irule looks perfect.

 

just a comment that you may forward request onto server side which you will get 2 things in return

 

- server will send file from ephemeral port (not port 69)

 

- retry in case packet loss. you can have routine in SERVER_DATA that replies content based on ack it receives. if let say block 10 is loss, client will resend ack-for block 9. irule can detect block id from ack message and response with block "ack + 1"

 

 

however, I didnt read RFC, feel free to correct me if I am wrong.