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SmartSwitch Router User Reference Manual 215
Chapter 13: IP Policy-Based Forwarding Configuration Guide
In the sample configuration in Figure 19, the policy router is configured to divide traffic
originating within the corporate network between different ISPs (100.1.1.1 and 200.1.1.1).
Figure 19. Using an IP policy to route traffic to two different ISPs
HTTP traffic originating from network 10.50.0.0 for destination 207.31.0.0/16 is
forwarded to 100.1.1.1. Non-HTTP traffic originating from network 10.50.0.0 for
destination 207.31.0.0/16 is forwarded to 200.1.1.1. All other traffic is forwarded to
100.1.1.1.
The following is the IP policy configuration for the Policy Router in Figure 19:
interface create ip user-a address-netmask 10.50.1.1/16 port et.1.1
interface create ip user-b address-netmask 11.50.1.1/16 port et.1.2
acl user-a-http permit ip 10.50.0.0/16 207.31.0.0/16 any http 0
acl user-a permit ip 10.50.0.0/16 207.31.0.0/16 any any 0
acl user-b permit ip 11.50.0.0/16 any any any 0
ip-policy net-a permit acl user-a-http next-hop-list 100.1.1.1 action
policy-first sequence 20
ip-policy net-a permit acl user-a next-hop-list 200.1.1.1 action policy-
only sequence 25
ip-policy net-a apply interface user-a
ip-policy net-b permit acl user-b next-hop-list 200.1.1.1 action policy-
first
ip-policy net-b apply interface user-b
Group user-a
10.50.*.*
Group user-b
11.50.*.*
ISP1
100.1.1.1
ISP2
200.1.1.1
et.1.1
et.1.2
Policy
Router