R1:
un ter mo
sys
sys R1
isis
net 10.0000.0000.0001.00
is-name R1
is-level level-1
int g0/0/0
isis enable
ip add 192.168.12.1 24
int loo0
isis enable
ip add 10.0.1.1 32
int loo1
isis enable
ip add 10.0.1.2 32
int loo2
isis enable
ip add 10.0.1.3 32
q
R2:
un ter mo
sys
sys R2
isis
net 10.0000.0000.0002.00
is-name R2
q
int g0/0/0
isis enable
ip add 192.168.12.2 24
int g0/0/1
isis enable
ip add 192.168.23.2 24
q
R3:
un ter mo
sys
sys R3
isis
net 20.0000.0000.0003.00
is-name R3
is-level level-2
q
int g0/0/1
isis enable
ip add 192.168.23.3 24
int loo0
isis enable
ip add 10.0.3.1 32
int loo1
isis enable
ip add 10.0.3.2 32
int loo2
isis enable
ip add 10.0.3.3 32
q
查看R2路由表
R1和R3都会产生多个路由,在R1和R3上进行路由聚合
R1:
isis
summary 10.0.1.0 255.255.255.0 level-1
R3:
isis
summary 10.0.3.0 255.255.255.0 level-2
(默认是发布到 level-1-2)
再查看R2路由表