Cisco IOS Cookbook 中文精简版第二十三章 IP组播

23.1.  配置PIM-DM 下的组播

提问 配置路由器基本的组播功能

回答

Router1#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router1(config)#ip multicast-routing

Router1(config)#interface FastEthernet0/0

Router1(config-if)#ip address 192.168.1.1 255.255.255.0

Router1(config-if)#ip pim dense-mode

Router1(config-if)#exit

Router1(config)#interface Serial1/0

Router1(config-if)#ip address 192.168.2.5 255.255.255.252

Router1(config-if)#ip pim dense-mode

Router1(config-if)#end

Router1#

Router2#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router2(config)#ip multicast-routing

Router2(config)#interface FastEthernet0/0

Router2(config-if)#ip address 192.168.3.1 255.255.255.0

Router2(config-if)#ip pim dense-mode

Router2(config-if)#exit

Router2(config)#interface Serial1/0

Router2(config-if)#ip address 192.168.2.6 255.255.255.252

Router2(config-if)#ip pim dense-mode

Router2(config-if)#end

Router2#

注释 密集模式适合于组播发送方和接收方近距离的情况，发送方很少但是接收方数量很大。

23.2.  配置PIM-SM和BSR 下的组播路由

提问 配置稀疏模式下的组播路由，使用BSR来分发RP信息

回答

参与组播的正常路由器

Router1#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router1(config)#ip multicast-routing

Router1(config)#ip pim rp-address 192.168.15.5

Router1(config)#interface FastEthernet0/0

Router1(config-if)#ip address 192.168.1.1 255.255.255.0