03_策略路由实验

配置IPR1[R1]int g0/0/0[R1-GigabitEthernet0/0/0]ip ad 12.0.0.1 24[R1-GigabitEthernet0/0/0]int g0/0/1[R1-GigabitEthernet0/0/1]ip ad 13.0.0.1 24[R1-GigabitEthernet0/0/1]int g0/0/2[R1-GigabitEthernet0/0/2]ip ad 15.0.0.1 24[R1-GigabitEthernet0/0/2]int l0[R1-LoopBack0]ip ad 1.1.1.1 32[R1-LoopBack0]int l1[R1-LoopBack1]ip ad 192.168.100.1 24[R1-LoopBack1]ospf network-type broadcastR2[R2]int g0/0/0[R2-GigabitEthernet0/0/0]ip ad 24.0.0.2 24[R2-GigabitEthernet0/0/0]int g0/0/1[R2-GigabitEthernet0/0/1]ip ad 12.0.0.2 24[R2-GigabitEthernet0/0/1]int l0[R2-LoopBack0]ip ad 2.2.2.2 32[R2-LoopBack0]int l1[R2-LoopBack1]ip ad 192.168.20.1 24[R2-LoopBack1]ospf network-type broadcastR3[R3]int g0/0/0[R3-GigabitEthernet0/0/0]ip ad 34.0.0.3 24[R3-GigabitEthernet0/0/0]int g0/0/1[R3-GigabitEthernet0/0/1]ip ad 13.0.0.3 24[R3-GigabitEthernet0/0/1]int l0[R3-LoopBack0]ip ad 3.3.3.3 32[R3-LoopBack0]int l1[R3-LoopBack1]ip ad 192.168.30.1 24[R3-LoopBack1]ospf network-type broadcastR4[R4]int g0/0/0[R4-GigabitEthernet0/0/0]ip ad 24.0.0.4 24[R4-GigabitEthernet0/0/0]int g0/0/1[R4-GigabitEthernet0/0/0]ip ad 34.0.0.4 24[R4-GigabitEthernet0/0/0]int l0[R4-LoopBack0]ip ad 192.168.1.1 24[R4-LoopBack0]int l1[R4-LoopBack1]ip ad 192.168.2.1 24[R4-LoopBack1]int l2[R4-LoopBack2]ip ad 192.168.3.1 24R5[R5]int g0/0/0[R5-GigabitEthernet0/0/0]ip ad 15.0.0.5 24[R5-GigabitEthernet0/0/0]int l0[R5-LoopBack0]ip ad 192.168.10.1 24[R5-LoopBack0]int l1[R5-LoopBack1]ip ad 192.168.11.1 24[R5-LoopBack1]int l2[R5-LoopBack2]ip ad 192.168.12.1 24OSPF配置R1[R1]ospf 1 router-id 1.1.1.1[R1-ospf-1]area 0[R1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0[R1-ospf-1-area-0.0.0.0]network 12.0.0.1 0.0.0.0[R1-ospf-1-area-0.0.0.0]network 13.0.0.1 0.0.0.0[R1-ospf-1-area-0.0.0.0]network 192.168.100.1 0.0.0.0R2[R2]ospf 1 router-id 2.2.2.2[R2-ospf-1]area 0[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0[R2-ospf-1-area-0.0.0.0]network 12.0.0.2 0.0.0.0[R2-ospf-1-area-0.0.0.0]network 192.168.20.1 0.0.0.0R3[R3]ospf 1 router-id 3.3.3.3[R3-ospf-1]area 0[R3-ospf-1-area-0.0.0.0]network 13.0.0.3 0.0.0.0[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0[R3-ospf-1-area-0.0.0.0]network 192.168.30.1 0.0.0.0BGP配置R1[R1]bgp 123[R1-bgp]router-id 1.1.1.1[R1-bgp]peer 15.0.0.5 as-number 500[R1-bgp]peer 2.2.2.2 as-number 123[R1-bgp]peer 2.2.2.2 connect-interface l0[R1-bgp]peer 2.2.2.2 next-hop-local[R1-bgp]peer 3.3.3.3 as-number 123[R1-bgp]peer 3.3.3.3 connect-interface l0[R1-bgp]peer 3.3.3.3 next-hop-localR2[R2]bgp 123[R2-bgp]router-id 2.2.2.2[R2-bgp]peer 24.0.0.4 as-number 400[R2-bgp]peer 1.1.1.1 as-number 123[R2-bgp]peer 1.1.1.1 connect-interface l0[R2-bgp]peer 1.1.1.1 next-hop-localR3[R3]bgp 123[R3-bgp]router-id 3.3.3.3[R3-bgp]peer 34.0.0.4 as-number 400[R3-bgp]peer 1.1.1.1 as-number 123[R3-bgp]peer 1.1.1.1 connect-interface l0[R3-bgp]peer 1.1.1.1 next-hop-localR4[R4]bgp 400[R4-bgp]router-id 4.4.4.4[R4-bgp]peer 24.0.0.2 as-number 123[R4-bgp]peer 34.0.0.3 as-number 123R5[R5]bgp 500[R5-bgp]router-id 5.5.5.5[R5-bgp]peer 15.0.0.1 as-number 123宣告BGP路由R1[R1]bgp 123[R1-bgp]net 192.168.20.0 24[R1-bgp]net 192.168.30.0 24[R1-bgp]net 192.168.100.0 24R2[R2]bgp 123[R2-bgp]net 192.168.20.0 24[R2-bgp]net 192.168.30.0 24[R2-bgp]net 192.168.100.0 24R3[R3]bgp 123[R3-bgp]net 192.168.20.0 24[R3-bgp]net 192.168.30.0 24[R3-bgp]net 192.168.100.0 24R4[R4]bgp 400[R4-bgp]net 192.168.1.0 24[R4-bgp]net 192.168.2.0 24[R4-bgp]net 192.168.3.0 24R5[R5]bgp 500[R5-bgp]net 192.168.10.0 24[R5-bgp]net 192.168.11.0 24[R5-bgp]net 192.168.12.0 24路由策略配置1、使用preval策略确保R4通过R2到达192.168.10.0/24R4[R4]ip ip-prefix PV permit 192.168.10.0 24[R4]route-policy PV permit node 10[R4-route-policy]if-match ip-prefix PV[R4-route-policy]apply preferred-value 100[R4-route-policy]q[R4]route-policy PV permit node 20[R4-route-policy]q[R4]bgp 400[R4-bgp]peer 24.0.0.2 route-policy PV import2、使用AS Path策略确保R4通过R3到达192.168.11.0/24R4[R4]ip ip-prefix AS permit 192.168.11.0 24[R4]route-policy AS permit node 10[R4-route-policy]if-match ip-prefix AS[R4-route-policy]apply as-path 123 overwrite[R4-route-policy]q[R4]bgp 400[R4-bgp]peer 34.0.0.3 route-policy PV import3、配置MED策略确保R4通过R3到达192.168.12.0/24R2[R2]ip ip-prefix MED permit 192.168.12.0 24[R2]route-policy MED permit node 10[R2-route-policy]if-match ip-prefix MED[R2-route-policy]apply cost 200[R2-route-policy]q[R2]route-policy MED permit node 20[R2]bgp 123[R2-bgp]peer 24.0.0.4 route-policy MED exportR3[R3]ip ip-prefix MED permit 192.168.12.0 24[R3]route-policy MED permit node 10[R3-route-policy]if-match ip-prefix MED[R3-route-policy]apply cost 200[R3-route-policy]q[R3]route-policy MED permit node 20[R3]bgp 123[R3-bgp]peer 34.0.0.4 route-policy MED export4、使用Local Preference策略确保R1通过R2到达192.168.1.0/24R1[R1]ip ip-prefix LP1 permit 192.168.1.0 24[R1]route-policy LP1 permit node 10[R1-route-policy]if-match ip-prefix LP[R1-route-policy]apply local-preference 200[R1-route-policy]q[R1]route-policy LP1 permit node 20[R1]bgp 123[R1-bgp]peer 2.2.2.2 route-policy LP import5、使用Local Preference策略确保R1通过R3到达192.168.2.0/24R1[R1]ip ip-prefix LP2 permit 192.168.2.0 24[R1]route-policy LP2 permit node 10[R1-route-policy]if-match ip-prefix LP2[R1-route-policy]apply local-preference 200[R1-route-policy]q[R1]route-policy LP1 permit node 20[R1]bgp 123[R1-bgp]peer 3.3.3.3 route-policy LP import6、配置负载均衡确保R1通过R2和R3到达192.168.3.0/24R1[R1]bgp 123[R1-bgp]maximum load-balancing 27、使用As策略AS 500不接受任何始发于AS 123的路由R1[R1]ip as-path-filter 1 deny ^$[R1]ip as-path-filter 1 permit .*[R1]bgp 123[R1-bgp]peer 15.0.0.5 as-path-filter 1 export8、使用自定义Community策略确保192.168.3.0/24路由不会被发布到AS 500R4[R4]route-policy com permit node 10[R4-route-policy]apply community 400:500[R4]bgp 400[R4-bgp]network 192.168.3.0 24 route-policy com[R4-bgp]peer 24.0.0.2 advertise-community[R4-bgp]peer 34.0.0.3 advertise-communityR2[R2]bgp 123[R2-bgp]peer 1.1.1.1 advertise-communityR3[R3]bgp 123[R3-bgp]peer 1.1.1.1 advertise-communityR1[R1]bgp 123[R1-bgp]peer 15.0.0.5 advertise-community————————————————版权声明本文为CSDN博主「shushdsjsjjd」的原创文章遵循CC 4.0 BY-SA版权协议转载请附上原文出处链接及本声明。原文链接https://blog.csdn.net/shushdsjsjjd/article/details/148085064