* Yuri Spirin <english.voo...@rambler.ru> [090409 03:11]:
> Hello, misc@
> 
> I have OpenBSD internet gateway for medium company and 2 WAN lines from
> different providers. First (line A) is flat rate 512K, second (line B)
> is charged per megabyte. I want to setup this two links to work in
> failover, i.e. to use Line A all the time (with Line B being idle),
> automatically switch to Line B when Line A is down and switch back when
> Line A is up again. All I found so far is to have some script pinging
> some host outside and switching default route, pf.conf and so on, but I
> want advice from OpenBSD gurus if there is some PF magic to accomplish
> this. Success stories on similar cases are welcome too.
> 
> Thanx in advance.
> 
> --
> Yuri A. Spirin
> 

man 4 trunk

HTH,
Jim

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