From: backbone systems (backbone.systems@gmail.com)
Date: Fri Dec 28 2007 - 13:43:53 ART
Hi all,
R5 is hub and R2 and R4 are spokes . i have to use ip pim autorp listner
command on all the routers. R5 loopback is the the rp .
The problem i am having is that when i ping from R2 to R4 igmp group
224.1.1.1 i get first two replies but rest time out ?? why is this happening
.
i need real help
Here is my config ,
R2
ip multicast-rou
int fas0/0
ip pim sparse-mode
int ser0/0.25
ip pim sparse mode
ip pim auto-rp listner
R5
ip multicast-rou
int ser0/0
ip pim sparse-mo
ip pim auto-rp listner
ip pim send-rp-announce Loopback0 scope 16 group-list 10
ip pim send-rp-discovery Loopback0 scope 16
access-list 10 per 224.1.1.1
access-list 10 per 224.2.2.2
R4
ip multicast-rou
int ser0/0
ip pim sparse-mo
int fas0/0
ip pim sparse-mo
ip igmp join-g 224.1.1.1
ip igmp join-g 224.2.2.2
ip pim auto-rp listner
ON R2 some outputs
R2#sh ip mr
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
(*, 224.2.2.2), 00:03:23/stopped, RP 5.5.5.5, flags: SP
Incoming interface: Serial0/0.25, RPF nbr 5.5.245.5
Outgoing interface list: Null
(5.5.245.5, 224.2.2.2), 00:03:23/00:00:03, flags: PT
Incoming interface: Serial0/0.25, RPF nbr 0.0.0.0
Outgoing interface list: Null
(*, 224.0.1.39), 00:29:24/00:02:55, RP 0.0.0.0, flags: DC
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0/0.25, Forward/Sparse, 00:29:25/00:00:00
(*, 224.0.1.40), 00:29:33/stopped, RP 0.0.0.0, flags: DCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Serial0/0.25, Forward/Sparse, 00:29:33/00:00:00
FastEthernet0/0, Forward/Sparse, 00:29:33/00:00:00
(5.5.5.5, 224.0.1.40), 00:29:24/00:02:52, flags: LT
Incoming interface: Serial0/0.25, RPF nbr 5.5.245.5
Outgoing interface list:
FastEthernet0/0, Forward/Sparse, 00:29:24/00:00:00
R2#sh ip pim rp
Group: 224.2.2.2, RP: 5.5.5.5, v2, v1, uptime 00:02:47, expires 00:02:10
R2#
R2#sh ip pim nei
PIM Neighbor Table
Mode: B - Bidir Capable, DR - Designated Router, N - Default DR Priority,
S - State Refresh Capable
Neighbor Interface Uptime/Expires Ver DR
Address Prio/Mode
5.5.245.5 Serial0/0.25 02:32:45/00:01:33 v2 1 / DR S
R2#
SEE the ping timing out on R2
R2#sh ip pim rp
Group: 224.2.2.2, RP: 5.5.5.5, v2, v1, uptime 00:02:47, expires 00:02:10
R2#ping 224.2.2.2 re 5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 224.2.2.2, timeout is 2 seconds:
Reply to request 0 from 5.5.245.4, 136 ms
Reply to request 0 from 5.5.245.4, 208 ms
Reply to request 0 from 5.5.245.4, 176 ms
Reply to request 1 from 5.5.245.4, 141 ms
Reply to request 1 from 5.5.245.4, 157 ms...
If u need any more outputs please let me know.
Thanks to all
Regards
BB
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