Platform:cisco iou
目的：理解错误的布署RR造成的环路。
验证：在R6上去traceroute 1.1.1.1 source 6.6.6.6
step 1:load config file (basic_config.txt)
step 2:test
R1++++++++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 1.1.1.1 255.255.255.255
int e0/0
no sh
int e0/0.12
en do 12
ip add 12.1.1.1 255.255.255.0
int e0/0.13
en do 13
ip add 13.1.1.1 255.255.255.0
router bgp 100
no synchronization
bgp log-neighbor-changes
network 1.1.1.1 mask 255.255.255.255
neighbor 12.1.1.2 remote-as 200
neighbor 13.1.1.3 remote-as 200
no auto-summary
R2++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 2.2.2.2 255.255.255.255
int e0/0
no sh
int e0/0.12
en do 12
ip add 12.1.1.2 255.255.255.0
int e0/0.24
en do 24
ip add 24.1.1.2 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
neighbor 4.4.4.4 remote-as 200
neighbor 4.4.4.4 update-source Loopback0
neighbor 4.4.4.4 next-hop-self
neighbor 12.1.1.1 remote-as 100
no auto-summary
router ospf 100
net 2.2.2.2 0.0.0.0 a 0
net 24.1.1.2 0.0.0.0 a 0
R3+++++++++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 3.3.3.3 255.255.255.255
int e0/0
no sh
int e0/0.13
en do 13
ip add 13.1.1.3 255.255.255.0
int e0/0.35
en do 35
ip add 35.1.1.3 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
neighbor 5.5.5.5 remote-as 200
neighbor 5.5.5.5 update-source Loopback0
neighbor 5.5.5.5 next-hop-self
neighbor 13.1.1.1 remote-as 100
no auto-summary
router ospf 100
net 3.3.3.3 0.0.0.0 a 0
net 35.1.1.3 0.0.0.0 a 0
R4++++++++++++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 4.4.4.4 255.255.255.255
int e0/0
no sh
int e0/0.24
en do 24
ip add 24.1.1.4 255.255.255.0
int e0/0.46
en do 46
ip add 46.1.1.4 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
neighbor 2.2.2.2 remote-as 200
neighbor 2.2.2.2 update-source Loopback0
neighbor 2.2.2.2 route-reflector-client
neighbor 7.7.7.7 remote-as 200
neighbor 7.7.7.7 update-source Loopback0
neighbor 7.7.7.7 route-reflector-client
neighbor 7.7.7.7 next-hop-self
no auto-summary
router ospf 100
net 0.0.0.0 0.0.0.0 a 0
R5++++++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 5.5.5.5 255.255.255.255
int e0/0
no sh
int e0/0.35
en do 35
ip add 35.1.1.5 255.255.255.0
int e0/0.57
en do 57
ip add 57.1.1.5 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 200
neighbor 3.3.3.3 update-source Loopback0
neighbor 3.3.3.3 route-reflector-client
neighbor 6.6.6.6 remote-as 200
neighbor 6.6.6.6 update-source Loopback0
neighbor 6.6.6.6 route-reflector-client
neighbor 6.6.6.6 next-hop-self
no auto-summary
router ospf 100
net 0.0.0.0 0.0.0.0 a 0
R6+++++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 6.6.6.6 255.255.255.255
int e0/0
no sh
int e0/0.46
en do 46
ip add 46.1.1.6 255.255.255.0
int e0/0.67
en do 67
ip add 67.1.1.6 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
network 6.6.6.6 mask 255.255.255.255
neighbor 5.5.5.5 remote-as 200
neighbor 5.5.5.5 update-source Loopback0
no auto-summary
router ospf 100
net 0.0.0.0 0.0.0.0 a 0
R7++++++++++++++++++++++++++++++++++++++++++++
int lo 0
ip add 7.7.7.7 255.255.255.255
int e0/0
no sh
int e0/0.57
en do 57
ip add 57.1.1.7 255.255.255.0
int e0/0.67
en do 67
ip add 67.1.1.7 255.255.255.0
router bgp 200
no synchronization
bgp log-neighbor-changes
neighbor 4.4.4.4 remote-as 200
neighbor 4.4.4.4 update-source Loopback0
no auto-summary
router ospf 100
net 0.0.0.0 0.0.0.0 a 0