全国计算机等级考试四级网络工程师教材缺漏内(6)

全国计算机等级考试四级网络工程师教材缺漏内容补充

PE2上的部分配置如下：

ip cef ──启用CEF转发功能

ip vrf Red ──定义一个 VRF ,名字为Red description For Red User Vpn rd 6500:1 ──定义RD值为6500:1

route-target export 6500:1 ──定义导出策略

route-target import 6500:1 ─-定义导入策略

!

同时上传附件router bgp 6500 ─-配制BGP协议

no synchronization

no bgp default ipv4-unicast

bgp log-neighbor-changes

neighbor 192.168.168.4 remote-as 6500

neighbor 192.168.168.4 update-source Loopback0

neighbor 192.168.168.4 next-hop-self

──这点在PE-CE之间路由为BGP时，一定要配置。

no auto-summary !

address-family ipv4 vrf Red

neighbor 10.10.40.1 remote-as 6504 ──配置和CE2之间的路由BGP neighbor 10.10.40.1 activate

no auto-summary

no synchronization

exit-address-family !

address-family vpnv4

neighbor 192.168.168.4 activate ──激活和PE3的MP-IBGP邻居关系 neighbor 192.168.168.4 send-community both

no auto-summary

exit-address-family !

interface Serial1/0 ──-配置连接到CE2的接口

ip vrf forwarding Red ──把该接口和VRF Red联系起来

ip address 10.10.40.2 255.255.255.252

interface Ethernet0/1 ──配置连接到7206的接口

ip address 192.168.1.13 255.255.255.252

half-duplex

tag-switching ip ──在此接口上启用标签交换

interface Serial1/1 ──-配置连接到PE1的接口

bandwidth 1544

ip address 10.10.30.2 255.255.255.252

encapsulation ppp

tag-switching ip ──在此接口上启用MPLS交换