DPtech FW1000 Series Firewall Products User Configuration Guide
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3.14 Policy-based routing
3.14.1 Introduction to policy-based routing
The policy-based routing (PBR) is a routing mechanism based on user-defined policies that used to modify next
hoop address and marketing packet to provide different network service.
When the device transmitted packets, it will look up the route table of forward by route-policy before route, if
packets are not matched, the device will look up the static route table, if the packets are not matched, the device will
look up the route table of forward by route-policy after route.
The policy-based routing (PBR) of DPtech is a technology that recognize different network packets thus forward
these packets as the policy created in advance. PBR can classify the network packets according different key field
and decide which policy-based routing should be used. It can effectively control network streams and behaviors.
PBR is on the IP layer, before IP forwarded, if a massage match with a PBR policy, it will execute relatively action,
the actions includes redirect to the nexthop, remark (such as TOS, IP priority, DSCP), and then according to
destination IP address of the replaced packet of the nexthop to look up FIB table to do IP forwarding.
3.14.2 IPv6 policy-based routing
3.14.2.1 Policy-based routing
To enter the policy-based routing page, you can choose
Basic> Network >Policy-based routing
from navigation
tree, as shown in Figure3-103.
Figure3-103
Policy-based routing
