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682 | Multicast Features
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Figure 32-3. Preventing a Source from Transmitting to a Group
R1
R2
R3
Source 2
10.11.1.2
Source 1
10.11.5.2
Receiver 2
10.11.4.2
Receiver 1
10.11.3.2
Group: 239.0.0.2
1/31
3/11
2/11
2/31 3/21
interface Vlan 300
ip pim sparse-mode
ip address 10.11.3.1/24
untagged GigabitEthernet 1/1
no shutdown
interface GigabitEthernet 1/21
ip pim sparse-mode
ip address 10.11.12.1/24
no shutdown
interface GigabitEthernet 1/31
ip pim sparse-mode
ip address 10.11.13.1/24
no shutdown
interface GigabitEthernet 2/11
ip pim sparse-mode
ip address 10.11.12.2/24
no shutdown
interface GigabitEthernet 3/11
ip pim sparse-mode
ip address 10.11.13.2/24
no shutdown
interface GigabitEthernet 3/21
ip pim sparse-mode
ip address 10.11.23.2/24
no shutdown
interface GigabitEthernet 2/31
ip pim sparse-mode
ip address 10.11.23.1/24
no shutdown
3/1
ip multicast-routing
ip pim rp-address 10.11.12.2 group-address 224.0.0.0/4
router rip
network 10.0.0.0
1/21
ip igmp snooping enable
2/1
interface Vlan 400
ip pim sparse-mode
ip address 10.11.4.1/24
untagged GigabitEthernet 1/2
no shutdown
interface GigabitEthernet 3/1
ip pim sparse-mode
ip address 10.11.5.1/24
no shutdown
RP
Group: 239.0.0.1
239.0.0.1
239.0.0.2
interface GigabitEthernet 2/1
ip pim sparse-mode
ip address 10.11.1.1/24
no shutdown
R1(config-line-console)#do show ip pim tib
PIM Multicast Routing Table
Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned,
R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join SPT,
M - MSDP created entry, A - Candidate for MSDP Advertisement
K - Ack-Pending State
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(*, 239.0.0.1), uptime 00:00:43, expires 00:00:00, RP 10.11.12.2, flags: SCJ
Incoming interface: GigabitEthernet 1/21, RPF neighbor 10.11.12.2
Outgoing interface list:
Vlan 400 Forward/Sparse 00:00:43/Never
(10.11.1.2, 239.0.0.1), uptime 00:00:17, expires 00:03:17, flags: CT
Incoming interface: GigabitEthernet 1/21, RPF neighbor 10.11.12.2
Outgoing interface list:
Vlan 400 Forward/Sparse 00:00:43/Never
(10.11.5.2, 239.0.0.1), uptime 00:00:23, expires 00:03:17, flags: CT
Incoming interface: GigabitEthernet 1/31, RPF neighbor 10.11.13.2
Outgoing interface list:
Vlan 400 Forward/Sparse 00:00:43/Never
(*, 239.0.0.2), uptime 00:00:40, expires 00:00:00, RP 10.11.12.2, flags: SCJ
Incoming interface: GigabitEthernet 1/21, RPF neighbor 10.11.12.2
Outgoing interface list:
Vlan 300 Forward/Sparse 00:00:40/Never
(10.11.5.2, 239.0.0.2), uptime 00:00:33, expires 00:03:07, flags: CT
Incoming interface: GigabitEthernet 1/31, RPF neighbor 10.11.13.2
Outgoing interface list:
Vlan 300 Forward/Sparse 00:00:40/Never
R3(conf)#do show ip pim tib
PIM Multicast Routing Table
Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned,
R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join SPT,
M - MSDP created entry, A - Candidate for MSDP Advertiseme
nt
K - Ack-Pending State
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(10.11.5.2, 239.0.0.1), uptime 00:05:21, expires 00:02:46, flags: FT
Incoming interface: GigabitEthernet 3/1, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 3/11 Forward/Sparse 00:00:18/00:03:12
(10.11.5.2, 239.0.0.2), uptime 00:05:08, expires 00:03:26, flags: FT
Incoming interface: GigabitEthernet 3/1, RPF neighbor 0.0.0.0
Outgoing interface list:
R
2(conf)#do show ip pim tib
P
IM Multicast Routing Table
F
lags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned,
R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join SPT,
M - MSDP created entry, A - Candidate for MSDP Advertisement
K - Ack-Pending State
T
imers: Uptime/Expires
I
nterface state: Interface, next-Hop, State/Mode
(
*, 239.0.0.1), uptime 00:03:00, expires 00:02:32, RP 10.11.12.2, flags: SF
Incoming interface: Null, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 2/11 Forward/Sparse 00:03:00/00:02:32
(
10.11.1.2, 239.0.0.1), uptime 00:00:44, expires 00:02:56, flags: FT
Incoming interface: GigabitEthernet 2/1, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 2/11 Forward/Sparse 00:00:13/00:03:17
(
10.11.5.2, 239.0.0.1), uptime 00:00:26, expires 00:03:06, flags: P
Incoming interface: GigabitEthernet 2/31, RPF neighbor 10.11.23.2
Outgoing interface list:
(
*, 239.0.0.2), uptime 00:00:21, expires 00:03:09, RP 10.11.12.2, flags: SF
Incoming interface: Null, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 2/11 Forward/Sparse 00:00:21/00:03:09
(
10.11.1.2, 239.0.0.2), uptime 00:00:02, expires 00:03:28, flags: FT
Incoming interface: GigabitEthernet 2/1, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 2/11 Forward/Sparse 00:00:21/00:03:09
R3(conf)#do show run acl
!
ip access-list extended regfilS1G2
seq 5 permit ip host 10.11.5.2 host 239.0.0.1
R3(conf)#do show run pim
!
ip pim rp-address 10.11.12.2 group-address 224.0.0.0/4
ip pim register-filter regfilS1G2