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DES-7200 Configuration Guide Chapter 7 Policy-based Routing
Configuration
7-17
All streams from the IPv4 education network of subnet 1 to the Internet are
transmitted through the egress of education network.
All streams from the IPv4 education network of subnet 2 to the Internet are
transmitted through the egress of the Internet.
All streams from the IPv6 education network of subnet 1 to the Internet are
transmitted through GigabitEthernet 0/1.
All streams from the IPv6 education network of subnet 2 to the Internet are
transmitted through GigabitEthernet 0/2.
Internal interactive data, for example, the data from subnet 1 to subnet 2, is
transmitted internal dynamic route rather than policy-based routing.
By default, data streams are transmitted through the egress of the Internet by
default route.
If GigabitEthernet 0/1 fails, the data streams on the interface are switched over to
GigabitEthernet 0/2, and vice versa.
Network topology
As shown in Figure 3, Device 1 connects to subnets 1 and 2 through G0/3 (routed
port), and connects to the Internet through G0/1 and G0/2 with the next hop of
2001::1/64(210.82.12.1) and 2002::1/64(59.78.184.1), respectively. Subnet 1’s
segment is 2003::/64 (202.112.144.0/25) and subnet 2’s segment is
2004::/64(218.62.95.0/24).
Figure 3 IPv4/IPv6 PBR topology