load balancing with ISP

[Zen Misael]

Dear all,
i'm sorry if i'm asking such of stupid question,
i recently using PF (under FreeBSD 7.2) to load balance / failover with 
two dedicated ISP (Leased Line).
i follow the calomel.org tutorial. but still cant' manage to connect my 
FreeBSD box to the internet.
what confused me, with 2 ISP connections... do i should entry the 
defaultrouter in the rc.conf file?
if i should,which one form my two ISP i should use??


*PS sorry for my poor english*


Regards

Zen



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