做网站公司 郑州,菜鸟html在线编辑器,线上营销技巧和营销方法,提供企业网站建设价格组网需求
如图所示#xff0c;用户将网络划分为AS65008和AS65009#xff0c;在AS65009内#xff0c;使用IGP协议来计算路由#xff08;该例使用OSPF做为IGP协议#xff09;。要求实现两个AS之间的互相通信。 配置思路
采用如下的思路配置BGP与IGP交互#xff1a;
在AR…组网需求
如图所示用户将网络划分为AS65008和AS65009在AS65009内使用IGP协议来计算路由该例使用OSPF做为IGP协议。要求实现两个AS之间的互相通信。 配置思路
采用如下的思路配置BGP与IGP交互
在AR2、AR3和AR4上配置OSPF协议使AR2、AR3和AR4之间可以互访。在AR1和AR2上配置EBGP连接使AR1和AR2之间可以通过BGP相互传递路由。在AR2上配置BGP与OSPF互相引入实现两个AS之间的互相通信。在AR2上配置BGP路由聚合可以简化BGP路由表规模。
操作步骤
配置IP
AR1
Huaweisys
[Huawei]sys AR1[AR1]int g0/0/0
[AR1-GigabitEthernet0/0/0]ip add 12.12.12.1 24
[AR1-GigabitEthernet0/0/0]q[AR1]int lo1
[AR1-LoopBack1]ip add 1.1.1.1 24
[AR1-LoopBack1]qAR2
Huaweisys
[Huawei]sys AR2[AR2]int g0/0/0
[AR2-GigabitEthernet0/0/0]ip add 12.12.12.2 24
[AR2-GigabitEthernet0/0/0]q[AR2]int g0/0/1
[AR2-GigabitEthernet0/0/1]ip add 10.10.23.2 24
[AR2-GigabitEthernet0/0/1]qAR3 Huaweisys
[Huawei]sys AR3[AR3]int g0/0/0
[AR3-GigabitEthernet0/0/0]ip add 10.10.23.3 24
[AR3-GigabitEthernet0/0/0]q[AR3]int g0/0/1
[AR3-GigabitEthernet0/0/1]ip add 10.10.34.3 24
[AR3-GigabitEthernet0/0/1]q
[AR3]AR4
Huaweisys
[Huawei]sys AR4[AR4]int g0/0/0
[AR4-GigabitEthernet0/0/0]ip add 10.10.34.4 24
[AR4-GigabitEthernet0/0/0]q配置OSPF
AR2
[AR2]ospf
[AR2-ospf-1]area 0
[AR2-ospf-1-area-0.0.0.0]network 10.10.23.0 0.0.0.255
[AR2-ospf-1-area-0.0.0.0]qAR3
[AR3]ospf
[AR3-ospf-1]area 0
[AR3-ospf-1-area-0.0.0.0]network 10.10.23.0 0.0.0.255
[AR3-ospf-1-area-0.0.0.0]network 10.10.34.0 0.0.0.255
[AR3-ospf-1-area-0.0.0.0]qAR4
[AR4]ospf
[AR4-ospf-1]area 0
[AR4-ospf-1-area-0.0.0.0]network 10.10.34.0 0.0.0.255
[AR4-ospf-1-area-0.0.0.0]q在AR4上查看OSPF路由表
[AR4-ospf-1]display ospf routingOSPF Process 1 with Router ID 10.10.34.4Routing Tables Routing for Network Destination Cost Type NextHop AdvRouter Area10.10.34.0/24 1 Transit 10.10.34.4 10.10.34.4 0.0.0.010.10.23.0/24 2 Transit 10.10.34.3 12.12.12.2 0.0.0.0Total Nets: 2 Intra Area: 2 Inter Area: 0 ASE: 0 NSSA: 0 配置BGP
AR1
[AR1]bgp 65008
[AR1-bgp]router-id 1.1.1.1
[AR1-bgp] peer 12.12.12.2 as-number 65009# 单播发布路由
[AR1-bgp] ipv4-family unicast
[AR1-bgp-af-ipv4]network 1.1.1.0 255.255.255.0
AR2
[AR2]bgp 65008
[AR2-bgp]router-id 2.2.2.2
[AR2-bgp] peer 12.12.12.1 as-number 65009在AR2上查看BGP路由表
[AR2-bgp]display bgp routing-table BGP Local router ID is 2.2.2.2 Status codes: * - valid, - best, d - damped,h - history, i - internal, s - suppressed, S - StaleOrigin : i - IGP, e - EGP, ? - incompleteTotal Number of Routes: 1Network NextHop MED LocPrf PrefVal Path/Ogn* 1.1.1.0/24 12.12.12.1 0 0 65008i
[AR2-bgp]配置路由引入
BGP路由引入到OSPF
AR2
[AR2]ospf
[AR2-ospf-1]import-route bgp
[AR2-ospf-1]q再次在AR4上查看OSPF路由表
AR4display ospf routing OSPF Process 1 with Router ID 10.10.34.4Routing Tables Routing for Network Destination Cost Type NextHop AdvRouter Area10.10.34.0/24 1 Transit 10.10.34.4 10.10.34.4 0.0.0.010.10.23.0/24 2 Transit 10.10.34.3 12.12.12.2 0.0.0.0Routing for ASEsDestination Cost Type Tag NextHop AdvRouter1.1.1.0/24 1 Type2 1 10.10.34.3 12.12.12.2Total Nets: 3 Intra Area: 2 Inter Area: 0 ASE: 1 NSSA: 0 AR4OSPF路由引入到BGP
AR2
[AR2]bgp 65009
[AR2-bgp]ipv4-family unicast
[AR2-bgp-af-ipv4]import-route ospf 1
[AR2-bgp-af-ipv4]q再次在AR1上查看BGP路由表
AR1display bgp routing-table BGP Local router ID is 12.12.12.1 Status codes: * - valid, - best, d - damped,h - history, i - internal, s - suppressed, S - StaleOrigin : i - IGP, e - EGP, ? - incompleteTotal Number of Routes: 3Network NextHop MED LocPrf PrefVal Path/Ogn* 1.1.1.0/24 0.0.0.0 0 0 i* 10.10.23.0/24 12.12.12.2 0 0 65009?* 10.10.34.0/24 12.12.12.2 2 0 65009?验证AS之间互通
AR4 ping AR1的LoopBack1
AR4ping 1.1.1.1PING 1.1.1.1: 56 data bytes, press CTRL_C to breakReply from 1.1.1.1: bytes56 Sequence1 ttl253 time60 msReply from 1.1.1.1: bytes56 Sequence2 ttl253 time30 msReply from 1.1.1.1: bytes56 Sequence3 ttl253 time40 msReply from 1.1.1.1: bytes56 Sequence4 ttl253 time40 msReply from 1.1.1.1: bytes56 Sequence5 ttl253 time40 ms--- 1.1.1.1 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max 30/42/60 ms
#能ping即AS之间已互通配置自动路由聚合
AR2
[AR2]bgp 65009
[AR2-bgp]ipv4-family unicast
[AR2-bgp-af-ipv4]summary automatic AR1上查看路由表
AR1display bgp routing-table BGP Local router ID is 12.12.12.1 Status codes: * - valid, - best, d - damped,h - history, i - internal, s - suppressed, S - StaleOrigin : i - IGP, e - EGP, ? - incompleteTotal Number of Routes: 2Network NextHop MED LocPrf PrefVal Path/Ogn* 1.1.1.0/24 0.0.0.0 0 0 i* 10.0.0.0 12.12.12.2 0 65009?
AR1聚合后再次验证互通
在AR1使用LoopBack1 ping AR4
AR1ping -a 1.1.1.1 10.10.34.4PING 10.10.34.4: 56 data bytes, press CTRL_C to breakReply from 10.10.34.4: bytes56 Sequence1 ttl253 time30 msReply from 10.10.34.4: bytes56 Sequence2 ttl253 time50 msReply from 10.10.34.4: bytes56 Sequence3 ttl253 time40 msReply from 10.10.34.4: bytes56 Sequence4 ttl253 time10 msReply from 10.10.34.4: bytes56 Sequence5 ttl253 time40 ms--- 10.10.34.4 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max 10/34/50 msAR1
