R1
FRS
R2 R3
f0/0 f0/0
| |
| |
f0/0 f0/0
R4 R5
*
*
**R3 is the RP and are statically configure on ALL routers including the RP
itself*
**Igmp join is being sent from R4's f0/0 interface....R2 receives the join
message and has the (*,G) entry for the group*
R2(config)#
PIM(0): Check RP 3.3.3.3 into the (*, 224.6.6.6) entry
PIM(0): Received v2 Join/Prune on FastEthernet0/0 from 24.24.24.4, to us
PIM(0): Join-list: (*, 224.6.6.6), RPT-bit set, WC-bit set, S-bit set
PIM(0): Add FastEthernet0/0/24.24.24.4 to (*, 224.6.6.6), Forward state, by
PIM *G Join
PIM(0): Building Triggered (*,G) Join / (S,G,RP-bit) Prune message for
224.6.6.6
R2(config)#
R2(config)#do sh ip mroute 224.6.6.6
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
(*, 224.6.6.6), 00:01:11/00:03:16, RP 3.3.3.3, flags: SJC
Incoming interface: Serial1/0, RPF nbr 10.10.10.3
Outgoing interface list:
FastEthernet0/0, Forward/Sparse, 00:01:11/00:03:16
*
*
**the multicast source is being sent from R5's f0/0 interface,hence the DR
is R3 which happens to be the RP as well as evident by the below output*
R3(config)#do sh log
Syslog logging: enabled (12 messages dropped, 1 messages rate-limited,
0 flushes, 0 overruns, xml disabled, filtering disabled)
Console logging: level alerts, 150 messages logged, xml disabled,
filtering disabled
Monitor logging: level debugging, 0 messages logged, xml disabled,
filtering disabled
Buffer logging: level debugging, 165 messages logged, xml disabled,
filtering disabled
Logging Exception size (8192 bytes)
Count and timestamp logging messages: disabled
No active filter modules.
Trap logging: level informational, 62 message lines logged
Log Buffer (8192 bytes):
PIM(0): Received v2 Join/Prune on FastEthernet0/0 from 35.35.35.5, to us
PIM(0): Join-list: (*, 224.0.1.40), RPT-bit set, WC-bit set, S-bit set
PIM(0): Update FastEthernet0/0/35.35.35.5 to (*, 224.0.1.40), Forward
state, by PIM *G Join
PIM(0): v1, bad checksum from 35.35.35.5 (FastEthernet0/0)
PIM(0): Check RP 3.3.3.3 into the (*, 224.2.2.2) entry
PIM(0): Received v2 Register on FastEthernet0/0 from 35.35.35.5
for 35.35.35.5, group 224.2.2.2
PIM(0): Send v2 Register-Stop to 35.35.35.5 for 35.35.35.5, group 224.2.2.2
PIM(0): Received v2 Register on FastEthernet0/0 from 35.35.35.5
for 5.5.5.5, group 224.2.2.2
PIM(0): Send v2 Register-Stop to 35.35.35.5 for 5.5.5.5, group 224.2.2.2
PIM(0): v1, bad checksum from 35.35.35.5 (FastEthernet0/0)
PIM(0): Building Periodic (*,G) Join / (S,G,RP-bit) Prune message for
224.0.1.40
PIM(0): Building Periodic (*,G) Join / (S,G,RP-bit) Prune message for
224.1.1.1
PIM(0): Received v2 Join/Prune on FastEthernet0/0 from 35.35.35.5, to us
PIM(0): Join-list: (*, 224.0.1.40), RPT-bit set, WC-bit set, S-bit set
PIM(0): Update FastEthernet0/0/35.35.35.5 to (*, 224.0.1.40), Forward
state, by PIM *G Join
PIM(0): Send RP-reachability for 224.0.1.40 on FastEthernet0/0
PIM(0): Send RP-reachability for 224.0.1.40 on Serial1/0
PIM(0): Building Periodic (*,G) Join / (S,G,RP-bit) Prune message for
224.2.2.2
PIM(0): Received v2 Register on FastEthernet0/0 from 35.35.35.5
PIM(0): Send v2 Register-Stop to 35.35.35.5 for 0.0.0.0, group 0.0.0.0
**R1 is neither receiving the join message nor does it have an entry for
the (*,G)*
R1(config-if)#do sh ip mroute 224.6.6.6
Group 224.6.6.6 not found
*MORE OUTPUT*
R2(config)#do sh frame map
Serial1/0 (up): ip 10.10.10.1 dlci 201(0xC9,0x3090), static,
broadcast,
CISCO, status defined, active
Serial1/0 (up): ip 10.10.10.2 dlci 201(0xC9,0x3090), static,
CISCO, status defined, active
Serial1/0 (up): ip 10.10.10.3 dlci 201(0xC9,0x3090), static,
CISCO, status defined, active
R3(config)#do sh frame map
Serial1/0 (up): ip 10.10.10.1 dlci 301(0x12D,0x48D0), static,
broadcast,
CISCO, status defined, active
Serial1/0 (up): ip 10.10.10.2 dlci 301(0x12D,0x48D0), static,
CISCO, status defined, active
R2(config)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static
route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
O 1.1.1.1 [110/65] via 10.10.10.1, 00:37:27, Serial1/0
35.0.0.0/24 is subnetted, 1 subnets
O 35.35.35.0 [110/65] via 10.10.10.3, 00:37:27, Serial1/0
2.0.0.0/32 is subnetted, 1 subnets
C 2.2.2.2 is directly connected, Loopback1
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/65] via 10.10.10.3, 00:37:27, Serial1/0
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/2] via 24.24.24.4, 00:37:27, FastEthernet0/0
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/66] via 10.10.10.3, 00:37:27, Serial1/0
24.0.0.0/24 is subnetted, 1 subnets
C 24.24.24.0 is directly connected, FastEthernet0/0
10.0.0.0/24 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, Serial1/0
R3(config)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static
route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
O 1.1.1.1 [110/65] via 10.10.10.1, 00:36:54, Serial1/0
35.0.0.0/24 is subnetted, 1 subnets
C 35.35.35.0 is directly connected, FastEthernet0/0
2.0.0.0/32 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 10.10.10.2, 00:36:54, Serial1/0
3.0.0.0/32 is subnetted, 1 subnets
C 3.3.3.3 is directly connected, Loopback1
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/66] via 10.10.10.2, 00:36:54, Serial1/0
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/2] via 35.35.35.5, 00:36:54, FastEthernet0/0
24.0.0.0/24 is subnetted, 1 subnets
O 24.24.24.0 [110/65] via 10.10.10.2, 00:36:54, Serial1/0
10.0.0.0/24 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, Serial1/0
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Received on Thu Jul 04 2013 - 20:49:29 ART
This archive was generated by hypermail 2.2.0 : Thu Aug 01 2013 - 08:45:50 ART