bgp neighbor authentication

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1、实验目的：1、掌握其于MD5的BGP对等体认证配置。实验拓扑图：实验步骤及要求：1、配置各台路由器的IP地址，并且使用Ping命令确认各路由器的直连口的互通。2、配置R1和R2的BGP协议3、查看R1和R2的路由表。R1#showiprouteGatewayoflastresortisnotset172.16.0.0/24issubnetted,1subnetsC172.16.1.0isdirectlyconnected,Loopback010.0.0.0/30issubnetted,1subnetsC10.1.255.0isdirectlyconnected,Serial

2、1/1B192.168.1.0/24[20/0]via10.1.255.2,00:32:23R1#R2#showiprouteGatewayoflastresortisnotset172.16.0.0/24issubnetted,1subnetsB172.16.1.0[20/0]via10.1.255.1,00:33:1910.0.0.0/24issubnetted,1subnetsC10.1.255.0isdirectlyconnected,Serial1/0C192.168.1.0/24isdirectlyconnected,Loopback0R2#4、配置R1路由器的

3、BGP认证。R1(config)#routerbgp64512R1(config-router)#neighbor10.1.255.2passwordcisco123[stanley1]5、在配置完R1的BGP认证，IOS会直接提示如下信息：*Jun915:48:03.323:%TCP-6-BADAUTH:NoMD5digestfrom10.1.255.2(44020)to10.1.255.1(179)*Jun915:48:05.143:%TCP-6-BADAUTH:NoMD5digestfrom10.1.255.2(44020)to10.1.255.1(179)*Jun9

4、15:48:13.263:%TCP-6-BADAUTH:NoMD5digestfrom10.1.255.2(44020)to10.1.255.1(179)[stanley2]*Jun915:48:15.343:%TCP-6-BADAUTH:NoMD5digestfrom10.1.255.2(44020)to10.1.255.1(179)6、查看R1和R2的路由表以及BGP的数据库，此时R1和R2路由器BGP协议，已经释放了原先学习到的BGP的网络路由。R1#showiprouteGatewayoflastresortisnotset172.16.0.0/24issubnet

5、ted,1subnetsC172.16.1.0isdirectlyconnected,Loopback010.0.0.0/30issubnetted,1subnetsC10.1.255.0isdirectlyconnected,Serial1/1R1#R1#showipbgpBGPtableversionis4,localrouterIDis172.16.1.1Statuscodes:ssuppressed,ddamped,hhistory,*valid,>best,i-internal,rRIB-failure,SStaleOrigincodes:i-IGP,e-EGP,

6、?-incompleteNetworkNextHopMetricLocPrfWeightPath*>172.16.1.0/240.0.0.0032768iR1#R2#showiprouteGatewayoflastresortisnotset10.0.0.0/24issubnetted,1subnetsC10.1.255.0isdirectlyconnected,Serial1/0C192.168.1.0/24isdirectlyconnected,Loopback0R2#R2#showipbgpBGPtableversionis4,localrouterIDis192.1

7、68.1.1Statuscodes:ssuppressed,ddamped,hhistory,*valid,>best,i-internal,rRIB-failure,SStaleOrigincodes:i-IGP,e-EGP,?-incompleteNetworkNextHopMetricLocPrfWeightPath*>192.168.1.00.0.0.0032768iR2#7、查看R2的汇总信息。R2#showipbgpsummary……0BGPfilter-listcacheentriesusing0by