一、问题
在r3和r1之间使用了GRE通道，所有的路由器接口配置为sparse-mode,R4 ip为（1.1.4.4）但Ｒ１无法ping通多播源。二、示意图如下
multicast source -----R5------R3-------R223----R1--e0............................................|............................................|............................................R4~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~三、原配置如下R1#mtrace 1.1.15.1 150.100.2.1 239.255.8.8Type escape sequence to abort.Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.255.8.8From source (?) to destination (?)Querying full reverse path... 0 150.100.2.1-1 1.1.12.5 PIM [default]-2 1.1.12.3 PIM [default]-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-4 1.1.16.3 PIM [default]-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-6 1.1.16.3 PIM [default]-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-8 1.1.16.3 PIM [default]-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-10 1.1.16.3 PIM [default]-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-12 1.1.16.3 PIM [default]-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-14 1.1.16.3 PIM [default]-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-16 1.1.16.3 PIM [default]-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-18 1.1.16.3 PIM [default]-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-20 1.1.16.3 PIM [default]-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-22 1.1.16.3 PIM [default]-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-24 1.1.16.3 PIM [default]-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-26 1.1.16.3 PIM [default]-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-28 1.1.16.3 PIM [default]-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-30 1.1.16.3 PIM [default]-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-32 1.1.16.3 PIM [default]
一、问题
在r3和r1之间使用了GRE通道，所有的路由器接口配置为sparse-mode,R4 ip为（1.1.4.4）但Ｒ１无法ping通多播源。二、示意图如下
multicast source -----R5------R3-------R223----R1--e0............................................|............................................|............................................R4~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~三、原配置如下R1#mtrace 1.1.15.1 150.100.2.1 239.255.8.8Type escape sequence to abort.Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.255.8.8From source (?) to destination (?)Querying full reverse path... 0 150.100.2.1-1 1.1.12.5 PIM [default]-2 1.1.12.3 PIM [default]-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-4 1.1.16.3 PIM [default]-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-6 1.1.16.3 PIM [default]-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-8 1.1.16.3 PIM [default]-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-10 1.1.16.3 PIM [default]-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-12 1.1.16.3 PIM [default]-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-14 1.1.16.3 PIM [default]-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-16 1.1.16.3 PIM [default]-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-18 1.1.16.3 PIM [default]-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-20 1.1.16.3 PIM [default]-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-22 1.1.16.3 PIM [default]-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-24 1.1.16.3 PIM [default]-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-26 1.1.16.3 PIM [default]-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-28 1.1.16.3 PIM [default]-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-30 1.1.16.3 PIM [default]-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-32 1.1.16.3 PIM [default]
一、问题
在r3和r1之间使用了GRE通道，所有的路由器接口配置为sparse-mode,R4 ip为（1.1.4.4）但Ｒ１无法ping通多播源。二、示意图如下
multicast source -----R5------R3-------R223----R1--e0............................................|
............................................|............................................R4~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~三、原配置如下R1#mtrace 1.1.15.1 150.100.2.1 239.255.8.8Type escape sequence to abort.Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.255.8.8From source (?) to destination (?)Querying full reverse path... 0 150.100.2.1-1 1.1.12.5 PIM [default]-2 1.1.12.3 PIM [default]-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-4 1.1.16.3 PIM [default]-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-6 1.1.16.3 PIM [default]-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-8 1.1.16.3 PIM [default]-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-10 1.1.16.3 PIM [default]-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-12 1.1.16.3 PIM [default]-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-14 1.1.16.3 PIM [default]-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-16 1.1.16.3 PIM [default]-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-18 1.1.16.3 PIM [default]-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-20 1.1.16.3 PIM [default]-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-22 1.1.16.3 PIM [default]-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-24 1.1.16.3 PIM [default]-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-26 1.1.16.3 PIM [default]-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-28 1.1.16.3 PIM [default]-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-30 1.1.16.3 PIM [default]-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-32 1.1.16.3 PIM [default]
一、问题
在r3和r1之间使用了GRE通道，所有的路由器接口配置为sparse-mode,R4 ip为（1.1.4.4）但Ｒ１无法ping通多播源。二、示意图如下
multicast source -----R5------R3-------R223----R1--e0............................................|............................................|............................................R4~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~三、原配置如下R1#mtrace 1.1.15.1 150.100.2.1 239.255.8.8Type escape sequence to abort.Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.255.8.8From source (?) to destination (?)Querying full reverse path... 0 150.100.2.1-1 1.1.12.5 PIM [default]-2 1.1.12.3 PIM [default]-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-4 1.1.16.3 PIM [default]-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-6 1.1.16.3 PIM [default]-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-8 1.1.16.3 PIM [default]-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-10 1.1.16.3 PIM [default]-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-12 1.1.16.3 PIM [default]-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-14 1.1.16.3 PIM [default]-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-16 1.1.16.3 PIM [default]-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-18 1.1.16.3 PIM [default]-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-20 1.1.16.3 PIM [default]-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-22 1.1.16.3 PIM [default]-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-24 1.1.16.3 PIM [default]-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-26 1.1.16.3 PIM [default]-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-28 1.1.16.3 PIM [default]-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-30 1.1.16.3 PIM [default]-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-32 1.1.16.3 PIM [default]
一、问题
在r3和r1之间使用了GRE通道，所有的路由器接口配置为sparse-mode,R4 ip为（1.1.4.4）但Ｒ１无法ping通多播源。二、示意图如下
multicast source -----R5------R3-------R223----R1--e0............................................|............................................|............................................R4~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~三、原配置如下R1#mtrace 1.1.15.1 150.100.2.1 239.255.8.8Type escape sequence to abort.Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.255.8.8From source (?) to destination (?) Querying full reverse path... 0 150.100.2.1-1 1.1.12.5 PIM [default]-2 1.1.12.3 PIM [default]-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-4 1.1.16.3 PIM [default]-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-6 1.1.16.3 PIM [default]-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-8 1.1.16.3 PIM [default]-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-10 1.1.16.3 PIM [default]-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-12 1.1.16.3 PIM [default]-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-14 1.1.16.3 PIM [default]-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-16 1.1.16.3 PIM [default]-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-18 1.1.16.3 PIM [default]-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-20 1.1.16.3 PIM [default]-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-22 1.1.16.3 PIM [default]-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-24 1.1.16.3 PIM [default]-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-26 1.1.16.3 PIM [default]-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-28 1.1.16.3 PIM [default]-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-30 1.1.16.3 PIM [default]-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]-32 1.1.16.3 PIM [default]