k3 组播 R4无法ping通组播组，请高手指点
配置如下：Enable PIM sparse mode (PIM-SM) on OSPF Area 0 and Area 142 according to the following requirements.:􀁺 There is a multicast source on VLAN 44 and clients are located on the BB3 subnets(150.3.YY.0/24)􀁺 Use a non-proprietary dynamic method of learning the Rendezvous Point (RP)􀁺 Ensure that R1-Lo0 is the preferred RP but that R2-Lo0 is able to take over in case R1 goes down􀁺 Simulate that clients have sent requests to join the multicast group 239.YY.YY.1 and ensure they replay to pings from R4 fa0/0 (join Vlan33 to group)Step1R4(config)#ip multicast-routingR4(config)#int f0/0R4(config-if)#ip pim sparse-modeR4(config)#int f0/1R4(config-if)#ip pim sparse-modeR4(config)#int s0/0/0R4(config-if)#ip pim sparse-modeR4(config)#int s0/0/1R4(config-if)#ip pim sparse-modeR1(config)#ip multicast-routingR1(config)#int f0/0R1(config-if)#ip pim sparse-modeR1(config)#int s0/1/0R1(config-if)#ip pim sparse-modeR2(config)#ip multicast-routingR2(config)#int f0/0R2(config-if)#ip pim sparse-modeR2(config)#int s0/3/0R2(config-if)#ip pim sparse-modeSW1(config)#ip multicast-routingdistributedSW1 (config)#int f0/1SW1 (config-if)#ip pim sparse-modeSW1 (config)#int vlan 123SW1 (config-if)#ip pim sparse-modeSW4(config)#ip multicast-routingStep2R1(config)#int lo0R1(config-if)#ip pim sparse-modeR1(config)#ip pim rp-candidate lo0R2(config)#int lo0R2(config-if)#ip pim sparse-modeR2(config)#ip pim rp-candidate lo0priority 100R2(config)#ip pim bsr-candidate lo0SW2(config)#int vlan 33SW2(config-if)#ip igmp join-group239.YY.YY.1distributedSW4 (config)#int vlan 42SW4 (config-if)#ip pim sparse-modeSW4 (config)#int vlan 123SW4 (config-if)#ip pim sparse-modeSW2(config)#ip multicast-routingdistributedSW2 (config)#int vlan 33SW2 (config-if)#ip pim sparse-modeSW2 (config)#int vlan 123SW2 (config-if)#ip pim sparse-modeSW3(config)#ip multicast-routingdistributedSW3 (config)#int vlan 123SW3 (config-if)#ip pim sparse-mode
看了配置,顺序有点乱,但是貌似都配了.
去设备上show一下,看一下是否正确学到RP mapping, 以及在RP上是否收用户加组形成的共享树.
如果以上都OK,检查ip mroute表项, 入接口和出接口是否正确.
再ping r1可以ping通
R1#ping 239.33.33.1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.33.33.1, timeout is 2 seconds:
Reply to request 0 from 150.3.33.1, 30 ms
R1#
R4ping不通
R4#sh ip pim rp mapping
PIM Group-to-RP Mappings
Group(s) 224.0.0.0/4
RP 33.33.1.1 (?), v2
Info source: 33.33.1.1 (?), via bootstrap, priority 0, holdtime 150
Uptime: 02:21:41, expires: 00:01:57
RP 33.33.2.2 (?), v2
Info source: 33.33.1.1 (?), via bootstrap, priority 1, holdtime 150
Uptime: 02:21:59, expires: 00:01:38
R4#ping 239.33.33.1 repeat 10 source eth0/0
Type escape sequence to abort.
Sending 10, 100-byte ICMP Echos to 239.33.33.1, timeout is 2 seconds:
Packet sent with a source address of 33.33.44.4
..........
R4#sh ip mrou
R4#sh ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, 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, E - Extranet,
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,
V - RD & Vector, v - Vector
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 239.33.33.1), 00:10:38/stopped, RP 33.33.1.1, flags: SPF
Incoming interface: Serial1/1, RPF nbr 33.33.14.1
Outgoing interface list: Null
(33.33.14.1, 239.33.33.1), 00:01:22/00:01:37, flags: PFT
Incoming interface: Serial1/1, RPF nbr 33.33.14.1
Outgoing interface list: Null
(33.33.44.4, 239.33.33.1), 00:05:36/00:03:23, flags: FT
Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
Outgoing interface list:
Serial1/1, Forward/Sparse, 00:05:36/00:02:58
(*, 224.0.1.40), 02:24:12/stopped, RP 0.0.0.0, flags: DCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial1/1, Forward/Sparse, 02:24:12/00:02:12
R4# 出接口也是对的
我也ping不通 做了很多遍都不通 快崩溃了！！ 单播测过了吗，是否是通的 模拟器不行，真机可以ping通
{:soso_e110:}谢谢，在iou上折腾了一晚上！ {:6_290:}{:6_290:}{:6_290:}{:6_290:} {:6_290:}{:6_290:}{:6_290:}{:6_290:} janson7 发表于 2013-12-21 00:16
谢谢，在iou上折腾了一晚上！
求IOU啊，大神，让我也来试试组播 {:6_267:} 论坛里有链接，百度也可以搜到
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