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Examples: Configuring Filter-Based Forwarding

Configure a filter to direct traffic to ISP1 or ISP2 based on source address matching:



[edit firewall]
family inet {


filter classify-customers {


term isp1-customers {


from {
source-address 10.1.1.0/24;
source-address 10.1.2.0/24;
}




then {
routing-instance isp1-route-table;
}


}




term isp2-customers {


from {
source-address 10.2.1.0/24;
source-address 10.2.2.0/24;
}




then {
routing-instance isp2-route-table;
}


}




term default {


then {
accept;
}


}


}


}

Configure a filter-based forwarding (FBF) filter for family inet6:



[edit]
firewall {


family inet6 {


filter ftf_fbf {


term 0 {


from {


source-address {
::10.34.1.0/120;
}


}




then {
count ce1;
log;
routing-instance ce1; 
}


}




term 1 {


from {


source-address {
::10.34.2.0/120;
}


}




then {
count ce2;
log;
routing-instance ce2;
}


}




term default {


then {
count default;
accept;
}


}


}


}


}

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