[gPXE] How to deal with imgfetch failure in script?

[Magicloud Magiclouds]

Hi,

  I need a fallback thing in my boot script. That if chain server1 failed,
then chain server2.

  But I did not see any condition branch or error handling stuff. What
should I do?

-- 
竹密岂妨流水过
山高哪阻野云飞

And for G+, please use magiclouds#gmail.com.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://etherboot.org/pipermail/gpxe/attachments/20131011/96965276/attachment.html>