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load balance (rdr) with tables



Greetings all,

I'm quite new in pf, and I'm having some problem with a load balance rule to a pool defined in a table. This is roughly what I have:
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table <smtp> persist {10.10.10.10, 10.10.10.11}
rdr pass on $ext_if proto tcp from any to any port {25 110 143} -> $mail_pool round-robin sticky-address
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# pfctl -s nat
rdr pass on xl0 proto tcp from any to any port = smtp -> <smtp> round-robin sticky-address
rdr pass on xl0 proto tcp from any to any port = http -> <smtp> round-robin sticky-address
rdr pass on xl0 proto tcp from any to any port = pop3 -> <smtp> round-robin sticky-address
rdr pass on xl0 proto tcp from any to any port = imap -> <smtp> round-robin sticky-address
rdr pass on xl0 proto tcp from any to any port = https -> <smtp> round-robin sticky-address



The strange thing is that exactly the same rdr rule works fine with I use a macro instead of a table, eventhough the pf FAQ says:
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round-robin - loops through the address pool in sequence. This is the default method and also the only method allowed when the address pool is specified using a table.
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Using freebsd port of pf, which is the equivalent to version in openbsd 3.5

thanks for any suggestion ;)