组播排错的命令

组播排错的命令

 

r1#sh ip pim ap 

r1#sh ip pim rp 

r1#sh ip pim rp

看不到RP

r1#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, 

       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 

Outgoing interface flags: H – Hardware switched, A – Assert winner 

Timers: Uptime/Expires 

Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.0.1.39), 00:28:29/stopped, RP 0.0.0.0, flags: DC 

Incoming interface: Null, RPF nbr 0.0.0.0 

Outgoing interface list: 

    Ethernet0/1, Forward/Sparse-Dense, 00:28:29/00:00:00 

    Serial0/0, Forward/Sparse-Dense, 00:28:29/00:00:00

(10.10.4.4, 224.0.1.39), 00:18:58/00:02:51, flags: T 

Incoming interface: Serial0/0, RPF nbr 10.10.11.4 

Outgoing interface list: 

    Ethernet0/1, Forward/Sparse-Dense, 00:18:59/00:00:00

(*, 224.0.1.40), 00:28:43/stopped, RP 0.0.0.0, flags: DCL 

Incoming interface: Null, RPF nbr 0.0.0.0 

Outgoing interface list: 

    Ethernet0/1, Forward/Sparse-Dense, 00:28:43/00:00:00 

    Serial0/0, Forward/Sparse-Dense, 00:28:43/00:00:00

(10.10.4.4, 224.0.1.40), 00:10:16/00:02:39, flags: LT 

Incoming interface: Serial0/0, RPF nbr 10.10.11.4 

Outgoing interface list: 

    Ethernet0/1, Forward/Sparse-Dense, 00:10:17/00:00:00

看不到正确的组

r1#ping 224.30.30.30 

Translating "224.30.30.30"

Type escape sequence to abort. 

Sending 1, 100-byte ICMP Echos to 224.30.30.30, timeout is 2 seconds:

Reply to request 0 from 10.10.11.4, 104 ms

组可以PING通

再SHOW RP, 已经显示加入组?原因,不知,可能PIM进程要激活,

r1#sh ip pim rp 

r1#sh ip pim rp 

Group: 224.30.30.30, RP: 10.10.4.4, v2, v1, uptime 00:10:48, expires 00:02:04 

Group: 224.50.50.50, RP: 10.10.4.4, v2, v1, uptime 00:10:48, expires 00:02:02