How can we add multiple pool in wide-dhcp6s server configuration file

Question

I am using wide-dhcp6s as dhcpv6 server in my linux pc, i am trying to add 2 pools but only one pool is working. my configuration is shown below.

interface bdg3
{
allow rapid-commit;
address-pool pool1 86400 86400;
address-pool pool2 86400 86400;

preference 255;
};
pool pool1 {
 range 2001::1 to 2001::2; 
}; 
pool pool2 {
 range 2001::10 to 2001::20; 
}; 

but my clients get pool2 ip's only, how to add multiple pool properly