实验拓扑图及其要求一、IP规划总表1. LoopBack0R22.2.2.2 /32 | R33.3.3.3 /32 | R44.4.4.4 /32 | R55.5.5.5 /32​2. 互联网段R1-R2100.1.1.0/24 R1100.1.1.1 R2100.1.1.2R2-R5100.2.2.0/24 R2100.2.2.2 R5100.2.2.5R2-R3100.3.3.0/24 R2100.3.3.2 R3100.3.3.3R3-R4100.5.5.0/24 R3100.5.5.3 R4100.5.5.4R4-R5100.4.4.0/24 R4100.4.4.4 R5100.4.4.5​3.业务LoopBackR1Loop0 192.168.0.1/24 Loop1 192.168.1.1/24R3Loop1 192.168.2.1/24 Loop2 192.168.3.1/24R5Loop1 192.168.4.1/24 Loop2 192.168.5.1/24二、实验配置及思路R1Huaweisys[Huawei]sysname R1配置环回口[R1]interface LoopBack0[R1-LoopBack0]ip address 192.168.0.1 255.255.255.0[R1-LoopBack0]interface LoopBack1[R1-LoopBack1]ip address 192.168.1.1 255.255.255.0对接R2接口[R1-LoopBack1]interface GigabitEthernet 0/0/0[R1-GigabitEthernet0/0/0]ip address 100.1.1.1 255.255.255.0BGP配置[R1-GigabitEthernet0/0/0]bgp 100[R1-bgp]router-id 1.1.1.1[R1-bgp] peer 100.1.1.2 as-number 200[R1-bgp]ipv4-family unicast[R1-bgp-af-ipv4]peer 100.1.1.2 enable宣告本地业务网段[R1-bgp-af-ipv4]network 192.168.0.0 255.255.255.0[R1-bgp-af-ipv4]network 192.168.1.0 255.255.2[R1-bgp-af-ipv4]aggregate 192.168.0.0 255.255.252.0 detail-suppressed基础IP检查R2[Huawei]sysnameIBGP环回Router-ID[R2]interface LoopBack0[R2-LoopBack0] ip address 2.2.2.2 255.255.255.255互联接口[R2-LoopBack0]interface GigabitEthernet 0/0/0[R2-GigabitEthernet0/0/0]ip address 100.1.1.2 255.255.255.0[R2-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1[R2-GigabitEthernet0/0/1] ip address 100.2.2.2 255.255.255.0[R2-GigabitEthernet0/0/1]interface GigabitEthernet 0/0/2[R2-GigabitEthernet0/0/2]ip address 100.3.3.2 255.255.255.0仅宣告底层互联环回0不宣告业务网段[R2-GigabitEthernet0/0/2]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 100.1.1.0 0.0.0.255[R2-ospf-1-area-0.0.0.0]network 100.2.2.0 0.0.0.255[R2-ospf-1-area-0.0.0.0]network 100.3.3.0 0.0.0.255BGP配置[R2-ospf-1-area-0.0.0.0]bgp 200[R2-bgp] router-id 2.2.2.2[R2-bgp]peer 100.1.1.1 as-number 100配置R3/R4/R5[R2-bgp]group IBGP internal[R2-bgp] peer IBGP connect-interface LoopBack0[R2-bgp] peer IBGP next-hop-local[R2-bgp]peer 3.3.3.3 group IBGP[R2-bgp] peer 4.4.4.4 group IBGP[R2-bgp] peer 4.4.4.4 group IBGP[R2-bgp]peer 5.5.5.5 group IBGP[R2-bgp] ipv4-family unicast[R2-bgp-af-ipv4] peer 100.1.1.1 enable[R2-bgp-af-ipv4]peer IBGP enable基础IP检查OSPF 检查R3Huaweisys[Huawei]sysname R3IBGP环回Router-ID[R3]interface LoopBack0[R3-LoopBack0]ip address 3.3.3.3 255.255.255.255业务环回[R3-LoopBack0]interface LoopBack1[R3-LoopBack1]ip address 192.168.2.1 255.255.255.0[R3-LoopBack1]interface LoopBack2[R3-LoopBack2]ip address 192.168.3.1 255.255.255.0互联接口[R3-LoopBack2]interface GigabitEthernet 0/0/0[R3-GigabitEthernet0/0/0] ip address 100.3.3.3 255.255.255.0[R3-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1[R3-GigabitEthernet0/0/1]ip address 100.5.5.3 255.255.255.0OSPF 底层互通[R3-GigabitEthernet0/0/1]ospf 1 router-id 3.3.3.3[R3-ospf-1] area 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 100.3.3.0 0.0.0.255[R3-ospf-1-area-0.0.0.0] network 100.5.5.0 0.0.0.255[R3-ospf-1-area-0.0.0.0] network 100.5.5.0 0.0.0.255BGP配置[R3-ospf-1-area-0.0.0.0]bgp 200[R3-bgp]router-id 3.3.3.3[R3-bgp] peer 2.2.2.2 as-number 200[R3-bgp]ipv4-family unicast[R3-bgp-af-ipv4] peer 2.2.2.2 enable宣告本地业务网段[R3-bgp-af-ipv4]network 192.168.2.0 255.255.255.0[R3-bgp-af-ipv4]network 192.168.3.0 255.255.255.0[R3-bgp-af-ipv4]aggregate 192.168.2.0 255.255.252.0 detail-suppressed[R3-bgp-af-ipv4]q[R3-bgp]q基础IP检查OSPF 检查R4Huaweisys[Huawei]sysname R4IBGP环回Router-ID[R4]interface LoopBack0[R4-LoopBack0]ip address 4.4.4.4 255.255.255.255互联接口[R4-LoopBack0]interface GigabitEthernet 0/0/0[R4-GigabitEthernet0/0/0]ip address 100.5.5.4 255.255.255.0[R4-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1[R4-GigabitEthernet0/0/1]ip address 100.4.4.4 255.255.255.0配置OSPF[R4-GigabitEthernet0/0/1]ospf 1 router-id 4.4.4.4[R4-ospf-1] area 0[R4-ospf-1-area-0.0.0.0] network 4.4.4.4 0.0.0.0[R4-ospf-1-area-0.0.0.0]network 100.5.5.0 0.0.0.255[R4-ospf-1-area-0.0.0.0] network 100.4.4.0 0.0.0.255BGP配置[R4-ospf-1-area-0.0.0.0]bgp 200[R4-bgp] router-id 4.4.4.4[R4-bgp]peer 2.2.2.2 as-number 200[R4-bgp] ipv4-family unicast[R4-bgp-af-ipv4]peer 2.2.2.2 enable[R4-bgp-af-ipv4]q[R4-bgp]q基础IP检查OSPF 检查R5Huaweisys[Huawei]sysname R5IBGP环回Router-ID[R5]interface LoopBack0[R5-LoopBack0]ip address 5.5.5.5 255.255.255.255业务环回[R5-LoopBack0]interface LoopBack1[R5-LoopBack1] ip address 192.168.4.1 255.255.255.0[R5-LoopBack1]interface LoopBack2[R5-LoopBack2]ip address 192.168.5.1 255.255.255.0互联接口[R5-LoopBack2]interface GigabitEthernet 0/0/0[R5-GigabitEthernet0/0/0]ip address 100.2.2.5 255.255.255.0[R5-GigabitEthernet0/0/0]interface GigabitEthernet 0/0/1[R5-GigabitEthernet0/0/1] ip address 100.4.4.5 255.255.255.0配置OSPF[R5-GigabitEthernet0/0/1]ospf 1 router-id 5.5.5.5[R5-ospf-1] area 0[R5-ospf-1-area-0.0.0.0]network 5.5.5.5 0.0.0.0[R5-ospf-1-area-0.0.0.0]network 100.2.2.0 0.0.0.255[R5-ospf-1-area-0.0.0.0]network 100.4.4.0 0.0.0.255BGP配置[R5-ospf-1-area-0.0.0.0]bgp 200[R5-bgp]router-id 5.5.5.5[R5-bgp]peer 2.2.2.2 as-number 200[R5-bgp]ipv4-family unicast[R5-bgp-af-ipv4]peer 2.2.2.2 enable宣告业务网段[R5-bgp-af-ipv4]network 192.168.4.0 255.255.255.0[R5-bgp-af-ipv4]network 192.168.5.0 255.255.255.0聚合抑制明细[R5-bgp-af-ipv4]aggregate 192.168.4.0 255.255.252.0 detail-suppressed[R5-bgp-af-ipv4]q[R5-bgp]q基础IP检查OSPF 检查:全网连通性测试思维导图