组播RPT建树问题

13148829004

各位大神，如图 我现在要做pim-sm R1 有 pim的路由表 但是R4和R2 都没 邻居关系起来了 R4 R2 在接口都启用了 pim sm IGP 路由都可达 （然后我觉得可能是交换机问题就在R4上加入一台PC）结果PC3 能收到组播流 我觉得是交换机的问题 配置如下

13148829004

我根据华为的配置手册配置发现PC1收不到组播流：（S1的三个接口同处于vlan1）
sysname SW1
#
multicast routing-enable
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
interface Vlanif1
ip address 10.0.24.1 255.255.255.0
pim sm
igmp enable
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
interface LoopBack0
ip address 10.0.11.11 255.255.255.0
igmp enable
#
interface LoopBack1
#
ospf 1
area 0.0.0.0
  network 10.0.11.11 0.0.0.0
  network 10.0.24.1 0.0.0.0
#
pim
static-rp 10.0.14.1
#
user-interface con 0
user-interface vty 0 4
#
return

13148829004

后来我针对修改了一下：（G0/0/3是vlan11 g0/0/1-g0/0/2是vlan24）然后神奇般的收到组播流了 求解释
[SW1]dis current-configuration
#
sysname SW1
#
vlan batch 11 24
#
multicast routing-enable
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif11
ip address 192.168.10.254 255.255.255.0
pim sm
igmp enable
#
interface Vlanif24
ip address 10.0.24.10 255.255.255.0
pim sm
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type access
port default vlan 24
#
interface GigabitEthernet0/0/2
port link-type access
port default vlan 24
#
interface GigabitEthernet0/0/3
port link-type access
port default vlan 11
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
interface LoopBack0
ip address 10.0.11.11 255.255.255.0
igmp enable
#
interface LoopBack1
#
ospf 1
area 0.0.0.0
  network 0.0.0.0 255.255.255.255
#
pim
static-rp 10.0.14.1
#
user-interface con 0
user-interface vty 0 4
#
return

13148829004

有大神么  

13148829004

大神呢~

咋去