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Routing policy configuration examples
Applying a routing policy to IPv4 route redistribution
Network requirements
As shown in Figure 120, Switch B exchanges routing information with Switch A using OSPF, and with
Switch C using IS-IS.
On Switch B, enable route redistribution from IS-IS to OSPF, and apply a routing policy to set the cost of
route 172.17.1.0/24 to 100 and the tag of route 172.17.2.0/24 to 20.
Figure 120 Network diagram
Configuration procedure
1. Specify IP addresses for interfaces. (Details not shown.)
2. Configure IS-IS:
# Configure Switch C.
<SwitchC> system-view
[SwitchC] isis
[SwitchC-isis-1] is-level level-2
[SwitchC-isis-1] network-entity 10.0000.0000.0001.00
[SwitchC-isis-1] quit
[SwitchC] interface vlan-interface 200
[SwitchC-Vlan-interface200] isis enable
[SwitchC-Vlan-interface200] quit
[SwitchC] interface vlan-interface 201
[SwitchC-Vlan-interface201] isis enable
[SwitchC-Vlan-interface201] quit
[SwitchC] interface vlan-interface 202
[SwitchC-Vlan-interface202] isis enable
[SwitchC-Vlan-interface202] quit
[SwitchC] interface vlan-interface 203
[SwitchC-Vlan-interface203] isis enable
[SwitchC-Vlan-interface203] quit
# Configure Switch B.
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