【CCNP 3-3】Controlling Routing Update Traffic.ppt

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2017-06-21 发布于湖北
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【CCNP 3-3】Controlling Routing Update Traffic.ppt

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【CCNP 3-3】Controlling Routing Update Traffic

router ospf 1 redistribute rip metric 10000 metric-type 1 subnets network 55 area 0 ! router rip version 2 redistribute ospf 1 metric 5 network no auto-summary router ospf 1 redistribute rip metric 10000 metric-type 1 subnets network area 0 ! router rip version 2 redistribute ospf 1 metric 5 network no auto-summary Router P3R1 Router P3R2 Example: Redistribution Using Administrative Distance (Cont.) Example: Redistribution Using Administrative Distance (Cont.) Example: Redistribution Using Administrative Distance (Cont.) hostname P3R1 ! router ospf 1 redistribute rip metric 10000 metric-type 1 subnets network 55 area 0 distance 125 55 64 ! router rip version 2 redistribute ospf 1 metric 5 network no auto-summary ! access-list 64 permit 55 access-list 64 permit 55 access-list 64 permit 55 access-list 64 permit 1 access-list 64 permit 4 access-list 64 permit 2 access-list 64 permit 3 hostname P3R2 ! router ospf 1 redistribute rip metric 10000 metric-type 1 subnets network area 0 distance 125 55 64 ! router rip version 2 redistribute ospf 1 metric 5 network no auto-summary ! access-list 64 permit 55 access-list 64 permit 55 access-list 64 permit 55 access-list 64 permit 1 access-list 64 permit 4 access-list 64 permit 2 access-list 64 permit 3 Example: Redistribution Using Administrative Distance (Cont.) Path Control Tools:Policy-Based Routing(PBR) PBR allows you to implement policies that selectively cause packets to take different paths: - IP routing is destination-based - PBR avoids destination-based Applied to incoming packets Traffic marking possibility Route-map is required to implement policy: - Matched routes are modified by set commands Requirements for Policy Based Routing Match packets with the destination network and forward to next-hop ? Math packets with the size between 3 and 200 bytes and forward to interface Ethernet 0 ? Configuring Policy-Based Routing Router(config)#route-map route-map-na