R1:
#
isis 100
is-level level-1
network-entity 49.0001.0010.0100.1001.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.1.1.1 255.255.255.0
isis enable 100
#
interface GigabitEthernet0/0/1
ip address 20.1.1.1 255.255.255.0
isis enable 100
#
R2:
#
isis 100
network-entity 49.0001.0020.0200.2002.00
import-route isis level-2 into level-1
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.1.1.2 255.255.255.0
isis enable 100
#
interface GigabitEthernet0/0/1
ip address 30.1.1.1 255.255.255.0
isis enable 100
#
R3:
#
isis 100
network-entity 49.0001.0030.0300.3003.00
import-route isis level-2 into level-1
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 40.1.1.1 255.255.255.0
isis enable 100
#
interface GigabitEthernet0/0/1
ip address 20.1.1.2 255.255.255.0
isis enable 100
#
R4:
#
isis 100
is-level level-2
network-entity 49.0002.0040.0400.4004.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 30.1.1.2 255.255.255.0
isis enable 100
#
interface GigabitEthernet0/0/2
ip address 50.1.1.1 255.255.255.0
isis enable 100
#
R5：
#
isis 100
is-level level-2
network-entity 49.0002.0050.0500.5005.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 40.1.1.2 255.255.255.0
isis enable 100
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
ip address 50.1.1.2 255.255.255.0
isis enable 100
#
详解命令：
#
isis 100 //进入isis的进程
network-entity 49.0001.0020.0200.2002.00 //配置网路实体名称
import-route isis level-2 into level-1 //路由渗透命名，将level2泄漏给level 1
#
