多播静态路由引起的循环问题的解决

　　!

　　end

　　R1#sh ip pim interface

　　Address Interface Ver/ Nbr Query DR DR

　　Mode Count Intvl Prior

　　1.1.15.1 Ethernet0 v2/S 0 30 1 1.1.15.1

　　1.1.103.1 Tunnel0 v2/S 1 30 1 0.0.0.0

　　R1#sh ip pim nei

　　PIM Neighbor Table

　　Neighbor Interface Uptime/Expires Ver DR

　　Address Priority/Mode

　　1.1.103.2 Tunnel0 00:38:46/00:01:29 v2 1 / S

　　```````````````````````````````````````````````````````````````

　　R3#sh ip pim interface

　　Address Interface Ver/ Nbr Query DR DR

　　Mode Count Intvl Prior

　　1.1.16.3 Serial0/0 v2/S 1 30 1 1.1.16.4

　　1.1.12.3 Serial0/1.1 v2/S 1 30 1 1.1.12.5

　　1.1.103.2 Tunnel0 v2/S 1 30 1 0.0.0.0

　　R3#sh ip pim nei

　　R3#sh ip pim neighbor

　　PIM Neighbor Table

　　Neighbor Interface Uptime/Expires Ver DR

　　Address Prio/Mode

　　1.1.16.4 Serial0/0 04:21:08/00:01:26 v2 1 / DR S

　　1.1.12.5 Serial0/1.1 04:20:55/00:01:37 v2 1 / DR S

　　1.1.103.1 Tunnel0 00:40:26/00:01:20 v2 1 / S

　　R3#

　　R3#sh run

　　Building configuration...

　　Current configuration : 3174 bytes

　　!

　　! Last configuration change at 19:40:44 mgt Sun Feb 28 1993

　　!

　　version 12.2

　　service timestamps debug datetime msec

　　service timestamps log datetime msec

　　no service password-encryption

　　!

　　hostname R3

　　!

　　!

　　username R5 password 0 cisco