CCNP路由实验之十 组播（多播）
CCNP路由实验之十 组播（多播）
种方法：
在交换机上配置静态的多播MAC地址到用户接口的映射
使用CGMP。执行CGMP的多播路由器能够将用户发送给自己的IGMP报文再通知给交换机
使用IGMPSnooping，在这样的模式下交换机会自己截取客户发送的IGMP消息，并依据IGMP消息更新自己的MAC地址表
，值越小越优先。越有可能成为Active BSR
优先级同样（默认0），ip地址值越大越优，越可能成为active BSR
秒一次keepalive,75秒后没数据或keepalive则重建TCP。建立连接的两方均是各自区域的RP，组播源向RP注冊之后，那么RP将这些源信息通过在MSDP连接上发送Source-Active (SA)到远程RP，以提供组播源的信息。因为RP收到Source-Active (SA)后，也是要做RPF检測的。检測是依据BGP来做的，在这里。须要使用MBGP之组播协议，组成员的网络信息和建立MSDP连接的peer地址理论上都须要在MBGP中进行通告，一是防止RPF检測失败，二是由此来决定组播数据的传递，所以十分重要。
MBGP（多协议边界网关协议）增加了 BGP 的性能。使其能在整个因特网上组播路由策略，并能够在 BGP 自治系统内或之间连接组播拓朴。
换句话说， MBGP 能够说是增强版的携带 IP 组播路由的 BGP（不仅限于此）。BGP 携带了两组路由，一组是提供单播路由，还有一组是提供组播路由。协议独立组播（PIM）使用连接组播路由的路由器建立数据分配树。
当须要链接仅用于组播通信，或限制通信的资源使用时；也可能当网络訪问点须要交换全部的组播通信时。MBGP 都是非常实用的。
MBGP 同意单播路由拓朴不同于组播路由拓朴。
个或多个RP在其Loopback接口上配置同样的IP地址。
Anycast RP Loopback地址应该配置为32位掩码，其他路由器必须“知道”这个Anycast RP Loopback地址是它们的RP。当然在一台路由器上，IP路由协议将会自己主动选择离它近期的RP；假设网络中的组播源是均匀分布的，那么这些组播源也将均匀地注冊到每一个RP上。因为组播源可能注冊到一个RP，而接收方却注冊到还有一个RP。我们就须要使用MSDP在RP之间交换活动组播源的信息。
在Anycast RP中，全部RP之间必须配置为MSDP对等体。当一个组播源向某个RP注冊时，该RP将通过MSDP的SA消息通告给其他RP。从而使得其他的RP都知道这个组播源的信息。若某个RP故障，当IP路由协议收敛后，其他RP将会成为该区域新的RP。
而新的组播源将会将会注冊到备份RP（即新的RP）；同样地，接收方也将使用新的RP。从而保证连通性。
单个域内的PIM-SM要通信，是建立的（*。G）条目，假设PIM-SM域之间要通信，建立的是(S。G)条目。相当于是距离矢量的路径方式
Server配置：
Server#conf t
Server(config)#no ip routing
Server(config)#ip default-gateway192.168.1.1
Server(config)#int e0/0
Server(config-if)#ip add 192.168.1.2255.255.255.0
Server(config-if)#no sh
Server(config-if)#exit
R1配置：
R1#conf t
R1(config)#ip multicast-routing
R1(config)#int e0/0
R1(config-if)#ip add 192.168.1.1255.255.255.0
R1(config-if)#ip pim sparse-mode
R1(config-if)#no sh
R1(config-if)#exit
R1(config)#int e0/1
R1(config-if)#ip add 192.168.12.1255.255.255.0
R1(config-if)#ip pim sparse-mode
R1(config-if)#no sh
R1(config-if)#exit
R1(config)#int lo 0
R1(config-if)#ip add 1.1.1.1255.255.255.255
R1(config-if)#ip pim sparse-mode
R1(config-if)#exit
R1(config)#int lo 10
R1(config-if)#ip add 10.10.10.10255.255.255.255
R1(config-if)#ip pim sparse-mode
R1(config-if)#exit
R1(config)#router ospf 1
R1(config-router)#router-id 1.1.1.1
R1(config-router)#net 1.1.1.1 0.0.0.0area 0
R1(config-router)# network 10.10.10.100.0.0.0 area 0
R1(config-router)#net 192.168.12.0255.255.255.0 area 0
R1(config-router)#net 192.168.1.0255.255.255.0 area 0
R1(config-router)#exit
R1(config)#router bgp 65501
R1(config-router)#bgp router-id 1.1.1.1
R1(config-router)#net 192.168.1.0 mask255.255.255.0
R1(config-router)#net 192.168.12.0 mask255.255.255.0
R1(config-router)#neighbor 2.2.2.2remote-as 65501 nlri unicast multicast
R1(config-router)#neighbor 2.2.2.2update-source loopback 0
R1(config-router)#neighbor 3.3.3.3remote-as 65501 nlri unicast multicast
R1(config-router)#neighbor 3.3.3.3update-source loopback 0
R1(config-router)#exit
R1(config)#ip pim bsr-candidate loopback10
R1(config)#ip pim rp-candidate loopback10
R1(config)#ip msdp peer 2.2.2.2connect-source loopback 0
R1(config)#ip msdp peer 3.3.3.3connect-source loopback 0
R1(config)#ip msdp mesh-group anycast-rp2.2.2.2
R1(config)#ip msdp mesh-group anycast-rp3.3.3.3
R1(config)#ip msdp originator-idloopback 0
R2配置：
R2#conf t
R2(config)#ip multicast-routing
R2(config)#int e0/0
R2(config-if)#ip add 192.168.12.2255.255.255.0
R2(config-if)#ip pim sparse-mode
R2(config-if)#no sh
R2(config-if)#exit
R2(config)#int e0/1
R2(config-if)#ip add 192.168.23.2255.255.255.0
R2(config-if)#ip pim sparse-mode
R2(config-if)#no sh
R2(config-if)#exit
R2(config)#int lo 0
R2(config-if)#ip add 2.2.2.2255.255.255.255
R2(config-if)#ip pim sparse-mode
R2(config-if)#exit
R2(config)#in lo 10
R2(config-if)#ip add 10.10.10.10255.255.255.255
R2(config-if)#ip pim sparse-mode
R2(config-if)#exit
R2(config)#router ospf 1
R2(config-router)#router-id 2.2.2.2
R2(config-router)#net 2.2.2.2 0.0.0.0area 0
R2(config-router)#net 10.10.10.100.0.0.0 area 0
R2(config-router)#net 192.168.12.0255.255.255.0 area 0
R2(config-router)#net 192.168.23.0255.255.255.0 area 0
R2(config-router)#exit
R2(config)#router bgp 65501
R2(config-router)#bgp router-id 2.2.2.2
R2(config-router)#net 192.168.12.0 mask255.255.255.0
R2(config-router)#net 192.168.23.0 mask255.255.255.0
R2(config-router)#nei 1.1.1.1 remote-as65501 nlri unicast multicast
R2(config-router)#nei 1.1.1.1update-source loopback 0
R2(config-router)#nei 3.3.3.3 remote-as65501 nlri unicast multicast
R2(config-router)#nei 3.3.3.3update-source loopback 0
R2(config-router)#exit
R2(config)# ip pim bsr-candidateloopback 10
R2(config)#ip pim rp-candidate loopback10
R2(config)#ip msdp peer 1.1.1.1connect-source loopback 0
R2(config)#ip msdp peer 3.3.3.3 connect-sourceloopback 0
R2(config)#ip msdp mesh-group anycast-rp1.1.1.1
R2(config)#ip msdp mesh-group anycast-rp3.3.3.3
R2(config)#ip msdp originator-idloopback 0
R3配置：
R3#conf t
R3(config)#ip multicast-routing
R3(config)#int e0/0
R3(config-if)#ip add 192.168.23.3255.255.255.0
R3(config-if)#ip pim sparse-mode
R3(config-if)#no sh
R3(config-if)#exit
R3(config)#int e0/1
R3(config-if)#ip add 192.168.34.3255.255.255.0
R3(config-if)#ip pim sparse-mode
R3(config-if)#no sh
R3(config-if)#exit
R3(config)#int lo 0
R3(config-if)#ip add 3.3.3.3255.255.255.255
R3(config-if)#ip pim sparse-mode
R3(config-if)#exit
R3(config)#int lo 10
R3(config-if)#ip add 10.10.10.10255.255.255.255
R3(config-if)#ip pim sparse-mode
R3(config-if)#exit
R3(config)#router ospf 1
R3(config-router)#router-id 3.3.3.3
R3(config-router)#net 3.3.3.3 0.0.0.0 area0
R3(config-router)#net 10.10.10.100.0.0.0 area 0
R3(config-router)#net 192.168.23.0255.255.255.0 area 0
R3(config-router)#net 192.168.34.0255.255.255.0 area 0
R3(config-router)#exit
R3(config)#router bgp 65501
R3(config-router)#bgp router-id 3.3.3.3
R3(config-router)#net 192.168.23.0 mask255.255.255.0
R3(config-router)#net 192.168.34.0 mask255.255.255.0
R3(config-router)#net 10.10.10.10 mask255.255.255.255
R3(config-router)#nei 1.1.1.1 remote-as65501 nlri unicast multicast
R3(config-router)#nei 1.1.1.1update-source loopback 0
R3(config-router)#nei 2.2.2.2 remote-as65501 nlri unicast multicast
R3(config-router)#nei 2.2.2.2update-source loopback 0
R3(config-router)#nei 192.168.34.4remote-as 65502 nlri unicast multicast
R3(config-router)#exit
R3(config)#ip pim bsr-candidate loopback10
R3(config)#ip pim rp-candidate loopback10
R3(config)#ip msdp peer 1.1.1.1connect-source loopback 0
R3(config)#ip msdp peer 2.2.2.2 connect-sourceloopback 0
R3(config)# ip msdp peer 192.168.34.4connect-source ethernet 0/1 remote-as 65502
R3(config)#ip msdp mesh-group anycast-rp1.1.1.1
R3(config)#ip msdp mesh-group anycast-rp2.2.2.2
R3(config)#ip msdp originator-idloopback 0
R4配置：
R4#conf t
R4(config)#ip multicast-routing
R4(config)#int e0/0
R4(config-if)#ip add 192.168.34.4255.255.255.0
R4(config-if)#ip pim sparse-mode
R4(config-if)#no sh
R4(config-if)#exit
R4(config)#int e0/1
R4(config-if)#ip add 192.168.45.4255.255.255.0
R4(config-if)#ip pim sparse-mode
R4(config-if)#no sh
R4(config-if)#exit
R4(config)#int lo 0
R4(config-if)#ip add 4.4.4.4255.255.255.255
R4(config-if)#ip pim sparse-mode
R4(config-if)#exit
R4(config)#int lo 20
R4(config-if)#ip add 20.20.20.20255.255.255.255
R4(config-if)#ip pim sparse-mode
R4(config-if)#exit
R4(config)#router eigrp 1
R4(config-router)#no au
R4(config-router)#net 0.0.0.0 0.0.0.0
R4(config-router)#exit
R4(config)#router bgp 65502
R4(config-router)#bgp router-id 4.4.4.4
R4(config-router)#net 192.168.34.0 mask255.255.255.0
R4(config-router)#net 192.168.45.0 mask255.255.255.0
R4(config-router)#net 20.20.20.20 mask255.255.255.255
R4(config-router)#nei 192.168.34.3remote-as 65501 nlri unicast multicast
R4(config-router)#nei 5.5.5.5 remote-as65502 nlri unicast multicast
R4(config-router)#nei 5.5.5.5update-source loopback 0
R4(config-router)#exit
R4(config)#ip pim rp-address 20.20.20.20
R4(config)# ip msdp peer 192.168.34.3connect-source Ethernet 0/0 remote-as 65501
R4(config)#ip msdp peer 5.5.5.5connect-source loopback 0
R4(config)#ip msdp originator-idloopback 0
R5配置：
R5#conf t
R5(config)#ip multicast-routing
R5(config)#int e0/0
R5(config-if)#ip add 192.168.45.5255.255.255.0
R5(config-if)#ip pim sparse-mode
R5(config-if)#no sh
R5(config-if)#exit
R5(config)#int e0/1
R5(config-if)#ip add 192.168.0.1255.255.255.0
R5(config-if)#ip pim sparse-mode
R5(config-if)#no sh
R5(config-if)#exit
R5(config)#int lo 0
R5(config-if)#ip add 5.5.5.5255.255.255.255
R5(config-if)#ip pim sparse-mode
R5(config-if)#exit
R5(config)#int lo 20
R5(config-if)#ip add 20.20.20.20255.255.255.255
R5(config-if)#ip pim sparse-mode
R5(config-if)#exit
R5(config)#router eigrp 1
R5(config-router)#no au
R5(config-router)#net 0.0.0.0 0.0.0.0
R5(config-router)#exit
R5(config)#router bgp 65502
R5(config-router)#bgp router-id 5.5.5.5
R5(config-router)#net 192.168.45.0 mask255.255.255.0
R5(config-router)#net 192.168.0.0 mask255.255.255.0
R5(config-router)#nei 4.4.4.4 remote-as65502 nlri unicast multicast
R5(config-router)#nei 4.4.4.4update-source loopback 0
R5(config-router)#exit
R5(config)#ip pim rp-address 20.20.20.20
R5(config)#ip msdp peer 4.4.4.4connect-source loopback 0
R5(config)#ip msdp originator-idloopback 0
PC配置：
PC#conf t
PC(config)#no ip routing
PC(config)#ip default-gateway192.168.0.1
PC(config)#int e0/0
PC(config-if)#ip add 192.168.0.2255.255.255.0
PC(config-if)#ip igmp join-group224.1.1.1
PC(config-if)#no sh
此时在Server端ping 224.1.1.1 ，并调试R3和R4 变化：
Server#ping 224.1.1.1 repeat 100
Type escape sequence to abort.
Sending 100, 100-byte ICMP Echos to224.1.1.1, timeout is 2 seconds:
.
Reply to request 1 from 192.168.0.2, 184ms
Reply to request 2 from 192.168.0.2, 188ms
Reply to request 3 from 192.168.0.2, 184ms
R3#debug ip msdp detail
MSDP Detail debugging is on
*Mar 1 00:02:30.503: %PIM-5-NBRCHG: neighbor 192.168.34.4 UP on interfaceEthernet0/1
*Mar 1 00:02:30.519: %PIM-5-DRCHG: DR change from neighbor 192.168.34.3 to192.168.34.4 on interface Ethernet0/1
*Mar 1 00:03:01.683: %BGP-5-ADJCHANGE: neighbor 192.168.34.4 Up
*Mar 1 00:03:05.383: %MSDP-5-PEER_UPDOWN: Session to peer 192.168.34.4 goingup
*Mar 1 00:03:07.327: MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:07.327: MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen= 0
*Mar 1 00:03:31.071: MSDP(0): Received 3-byte TCP segment from 192.168.34.4
*Mar 1 00:03:31.071: MSDP(0): Append 3 bytes to 0-byte msg 0 from192.168.34.4, qs 1
*Mar 1 00:03:48.295: %PIM-5-NBRCHG: neighbor 192.168.23.2 UP on interface Ethernet0/0
*Mar 1 00:03:56.027: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Ethernet0/0from LOADING to FULL, Loading Done
*Mar 1 00:04:00.331: MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:00.331: MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen= 0
*Mar 1 00:04:22.979: %BGP-5-ADJCHANGE: neighbor 2.2.2.2 Up
*Mar 1 00:04:31.067: MSDP(0): Received 3-byte TCP segment from 192.168.34.4
*Mar 1 00:04:31.067: MSDP(0): Append 3 bytes to 0-byte msg 1 from192.168.34.4, qs 1
*Mar 1 00:04:46.851: %MSDP-5-PEER_UPDOWN: Session to peer 1.1.1.1 going up
*Mar 1 00:04:47.715: MSDP(0): Received 3-byte TCP segment from 1.1.1.1
*Mar 1 00:04:47.715: MSDP(0): Append 3 bytes to 0-byte msg 2 from 1.1.1.1, qs1
*Mar 1 00:04:47.779: %MSDP-5-PEER_UPDOWN: Session to peer 2.2.2.2 going up
*Mar 1 00:04:48.335: MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:48.339: MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen= 0
*Mar 1 00:04:48.943: MSDP(0): Received 3-byte TCP segment from 2.2.2.2
*Mar 1 00:04:48.947: MSDP(0): Append 3 bytes to 0-byte msg 3 from 2.2.2.2, qs1
*Mar 1 00:04:49.343: MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:49.343: MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen= 0
*Mar 1 00:04:51.763: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Up
*Mar 1 00:05:00.343: MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
*Mar 1 00:05:00.343: MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen= 0
*Mar 1 00:05:39.539: MSDP(0): Received 120-byteTCP segment from 1.1.1.1
*Mar 1 00:05:39.539: MSDP(0): Append 120 bytes to0-byte msg 5 from 1.1.1.1, qs 1
*Mar 1 00:05:39.539: MSDP(0): WAVL Insert SASource 192.168.1.2 Group 224.1.1.1 RP 1.1.1.1 Successful
R4#debugip msdp de
MSDPDetail debugging is on
*Mar 1 00:00:33.651: %PIM-5-NBRCHG: neighbor192.168.34.3 UP on interface Ethernet0/0
*Mar 1 00:00:35.487: %BGP-5-ADJCHANGE: neighbor192.168.34.3 Up
*Mar 1 00:00:39.235: %MSDP-5-PEER_UPDOWN: Sessionto peer 192.168.34.3 going up
*Mar 1 00:00:40.175: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:00:40.175: MSDP(0): Append 3 bytes to0-byte msg 0 from 192.168.34.3, qs 1
*Mar 1 00:00:40.871: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:00:40.871: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:24.255: %PIM-5-NBRCHG: neighbor192.168.45.5 UP on interface Ethernet0/1
*Mar 1 00:01:24.271: %PIM-5-DRCHG: DR change fromneighbor 192.168.45.4 to 192.168.45.5 on interface Ethernet0/1
*Mar 1 00:01:25.887: %DUAL-5-NBRCHANGE:IP-EIGRP(0) 1: Neighbor 192.168.45.5 (Ethernet0/1) is up: new adjacency
*Mar 1 00:01:34.947: %MSDP-5-PEER_UPDOWN: Sessionto peer 5.5.5.5 going up
*Mar 1 00:01:36.879: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:36.879: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:38.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:38.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:39.251: %BGP-5-ADJCHANGE: neighbor5.5.5.5 Up
*Mar 1 00:01:40.183: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:01:40.183: MSDP(0): Append 3 bytes to0-byte msg 1 from 192.168.34.3, qs 1
*Mar 1 00:02:25.027: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:02:25.031: MSDP(0): Append 3 bytes to0-byte msg 2 from 5.5.5.5, qs 1
*Mar 1 00:02:29.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:29.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:38.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:38.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:40.183: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:02:40.183: MSDP(0): Append 3 bytes to0-byte msg 3 from 192.168.34.3, qs 1
*Mar 1 00:03:13.379: MSDP(0): Received 120-byteTCP segment from 192.168.34.3
*Mar 1 00:03:13.379: MSDP(0): Append 120 bytes to0-byte msg 4 from 192.168.34.3, qs 1
*Mar 1 00:03:24.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:24.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:25.015: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:03:25.015: MSDP(0): Append 3 bytes to0-byte msg 5 from 5.5.5.5, qs 1
*Mar 1 00:03:30.887: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:30.887: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:32.159: MSDP(0): Received 20-byte TCPsegment from 192.168.34.3
*Mar 1 00:03:32.163: MSDP(0): Append 20 bytes to0-byte msg 6 from 192.168.34.3, qs 1
*Mar 1 00:04:20.895: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:25.027: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:04:25.031: MSDP(0): Append 3 bytes to0-byte msg 7 from 5.5.5.5, qs 1
*Mar 1 00:04:25.899: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:25.899: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:29.183: MSDP(0): Received 20-byte TCPsegment from 192.168.34.3
*Mar 1 00:04:29.187: MSDP(0): Append 20 bytes to0-byte msg 8 from 192.168.34.3, qs 1
R4#debugip msdp de
MSDPDetail debugging is on
*Mar 1 00:00:33.651: %PIM-5-NBRCHG: neighbor192.168.34.3 UP on interface Ethernet0/0
*Mar 1 00:00:35.487: %BGP-5-ADJCHANGE: neighbor192.168.34.3 Up
*Mar 1 00:00:39.235: %MSDP-5-PEER_UPDOWN: Sessionto peer 192.168.34.3 going up
*Mar 1 00:00:40.175: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:00:40.175: MSDP(0): Append 3 bytes to0-byte msg 0 from 192.168.34.3, qs 1
*Mar 1 00:00:40.871: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:00:40.871: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:24.255: %PIM-5-NBRCHG: neighbor192.168.45.5 UP on interface Ethernet0/1
*Mar 1 00:01:24.271: %PIM-5-DRCHG: DR change fromneighbor 192.168.45.4 to 192.168.45.5 on interface Ethernet0/1
*Mar 1 00:01:25.887: %DUAL-5-NBRCHANGE: IP-EIGRP(0)1: Neighbor 192.168.45.5 (Ethernet0/1) is up: new adjacency
*Mar 1 00:01:34.947: %MSDP-5-PEER_UPDOWN: Sessionto peer 5.5.5.5 going up
*Mar 1 00:01:36.879: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:36.879: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:38.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:38.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:01:39.251: %BGP-5-ADJCHANGE: neighbor 5.5.5.5Up
*Mar 1 00:01:40.183: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:01:40.183: MSDP(0): Append 3 bytes to0-byte msg 1 from 192.168.34.3, qs 1
*Mar 1 00:02:25.027: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:02:25.031: MSDP(0): Append 3 bytes to0-byte msg 2 from 5.5.5.5, qs 1
*Mar 1 00:02:29.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:29.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:38.883: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:38.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:02:40.183: MSDP(0): Received 3-byte TCPsegment from 192.168.34.3
*Mar 1 00:02:40.183: MSDP(0): Append 3 bytes to0-byte msg 3 from 192.168.34.3, qs 1
*Mar 1 00:03:13.379: MSDP(0): Received 120-byteTCP segment from 192.168.34.3
*Mar 1 00:03:13.379: MSDP(0): Append 120 bytes to0-byte msg 4 from 192.168.34.3, qs 1
*Mar 1 00:03:24.883: MSDP(0): start_index = 0, sa_cache_index= 0, Qlen = 0
*Mar 1 00:03:24.883: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:25.015: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:03:25.015: MSDP(0): Append 3 bytes to0-byte msg 5 from 5.5.5.5, qs 1
*Mar 1 00:03:30.887: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:30.887: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:03:32.159: MSDP(0): Received 20-byte TCPsegment from 192.168.34.3
*Mar 1 00:03:32.163: MSDP(0): Append 20 bytes to0-byte msg 6 from 192.168.34.3, qs 1
*Mar 1 00:04:20.895: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:20.895: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:25.027: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:04:25.031: MSDP(0): Append 3 bytes to0-byte msg 7 from 5.5.5.5, qs 1
*Mar 1 00:04:25.899: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:25.899: MSDP(0): Sent entire sa-cache,sa_cache_index = 0, Qlen = 0
*Mar 1 00:04:29.183: MSDP(0): Received 20-byte TCPsegment from 192.168.34.3
*Mar 1 00:04:29.187: MSDP(0): Append 20 bytes to0-byte msg 8 from 192.168.34.3, qs 1
*Mar 1 00:05:20.903: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:05:20.903: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:05:23.903: MSDP(0): start_index = 0,sa_cache_index = 0, Qlen = 0
*Mar 1 00:05:23.903: MSDP(0): Sent entiresa-cache, sa_cache_index = 0, Qlen = 0
*Mar 1 00:05:24.999: MSDP(0): Received 3-byte TCPsegment from 5.5.5.5
*Mar 1 00:05:25.003: MSDP(0): Append 3 bytes to0-byte msg 9 from 5.5.5.5, qs 1
*Mar 1 00:05:28.207: MSDP(0): Received 20-byte TCPsegment from 192.168.34.3
*Mar 1 00:05:28.207: MSDP(0): Append 20 bytes to0-byte msg 10 from 192.168.34.3, qs 1
查看R3和R4的多播路由表
R3#sh ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - BidirGroup, s - SSM Group, C - Connected,
L - Local, P - Pruned, R - RP-bit set, F - Register flag,
T - SPT-bit set, J - Join SPT, M - MSDP created entry,
X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
U - URD, I - Received Source Specific Host Report,
Z - Multicast Tunnel, z - MDT-data group sender,
Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardwareswitched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD,State/Mode
(*, 224.1.1.1),00:07:34/00:02:46, RP 10.10.10.10, flags: S
Incoming interface: Ethernet0/0, RPF nbr192.168.23.2
Outgoing interface list:
Ethernet0/1, Forward/Sparse,00:07:34/00:02:46
(192.168.1.2,224.1.1.1), 00:06:45/00:00:09, flags: T
Incoming interface: Ethernet0/0, RPF nbr192.168.23.2
Outgoing interface list:
Ethernet0/1, Forward/Sparse,00:06:45/00:02:46
(*, 224.0.1.40), 00:12:22/00:02:37, RP0.0.0.0, flags: DCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Loopback0, Forward/Sparse, 00:12:22/00:02:37
R4#sh ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - BidirGroup, s - SSM Group, C - Connected,
L - Local, P - Pruned, R - RP-bit set, F - Register flag,
T - SPT-bit set, J - Join SPT, M - MSDP created entry,
X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
U - URD, I - Received Source Specific Host Report,
Z - Multicast Tunnel, z - MDT-data group sender,
Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardwareswitched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD,State/Mode
(*, 224.1.1.1),00:08:08/00:03:15, RP 10.10.10.10, flags: S
Incoming interface: Ethernet0/0, RPF nbr192.168.34.3
Outgoing interface list:
Ethernet0/1, Forward/Sparse,00:08:08/00:03:15
(*, 224.0.1.40), 00:10:28/00:02:35, RP0.0.0.0, flags: DCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Loopback0, Forward/Sparse, 00:10:28/00:02:35
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