配置IS-IS的路由渗透功能示例

胡振宇

#
sysname RouterA
#
isis 10  //启动IS-IS路由进程10
is-level level-1  //配置路由器级别为Level-1
network-entity 10.0000.0000.0001.00  //配置IS-IS路由进程的网络实体名称NET
#
interface GigabitEthernet1/0/0
ip address 192.168.1.1 255.255.255.0
isis enable 10  //在接口上使能IS-IS
#
interface GigabitEthernet2/0/0
ip address 192.168.2.1 255.255.255.0
isis enable 10
#
RouterB的配置

#
sysname RouterB
#
isis 10
is-level level-1
network-entity 10.0000.0000.0002.00
#
interface GigabitEthernet1/0/0
ip address 192.168.1.2 255.255.255.0
isis enable 10
#
interface GigabitEthernet2/0/0
ip address 192.168.3.1 255.255.255.0
isis enable 10
#
RouterC的配置

#
sysname RouterC
#
isis 10
network-entity 10.0000.0000.0003.00
#
interface GigabitEthernet1/0/0
ip address 192.168.4.1 255.255.255.0
isis enable 10
isis cost 40 level-2  //配置IS-IS Level-2接口的链路开销值
#
interface GigabitEthernet2/0/0
ip address 192.168.2.2 255.255.255.0
isis enable 10
#
RouterD的配置

#
sysname RouterD
#
isis 10
network-entity 10.0000.0000.0004.00
import-route isis level-2 into level-1  //配置IS-IS从Level-2向Level-1进行路由渗透
#
interface GigabitEthernet1/0/0
ip address 192.168.3.2 255.255.255.0
isis enable 10
#
interface GigabitEthernet2/0/0
ip address 192.168.5.1 255.255.255.0
isis enable 10
#
RouterE的配置

#
sysname RouterE
#
isis 10
is-level level-2
network-entity 20.0000.0000.0005.00
#
interface GigabitEthernet1/0/0
ip address 192.168.4.2 255.255.255.0
isis enable 10
#
interface GigabitEthernet2/0/0
ip address 192.168.5.2 255.255.255.0
isis enable 10
#
interface GigabitEthernet3/0/0
ip address 192.168.6.1 255.255.255.0
isis enable 10
#
RouterF的配置

#
sysname RouterF
#
isis 10
is-level level-2
network-entity 20.0000.0000.0006.00
#
interface GigabitEthernet1/0/0
ip address 192.168.6.2 255.255.255.0
isis enable 10
#