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Reference Guide

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618 | PIM Source-Specific Mode (PIM-SSM)
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Figure 29-3. Using PIM-SM with IGMPv2 versus PIM-SSM with IGMPv2
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
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 2/1
ip pim sparse-mode
ip address 10.11.1.1/24
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
2/1
interface Vlan 400
ip pim sparse-mode
ip address 10.11.4.1/24
untagged GigabitEthernet 1/2
ip igmp version 3
no shutdown
interface GigabitEthernet 3/1
ip pim sparse-mode
ip address 10.11.5.1/24
no shutdown
RP
Group: 239.0.0.2
Source: 10.11.5.2
Group: 239.0.0.1
R1(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 Advertisement
K - Ack-Pending State
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(10.11.5.2, 239.0.0.1), uptime 00:01:50, expires 00:03:28, flags: CT
Incoming interface: GigabitEthernet 1/31, RPF neighbor 10.11.13.2
Outgoing interface list:
Vlan 400 Forward/Sparse 00:01:50/Never
(10.11.5.2, 239.0.0.2), uptime 00:00:33, expires 00:00:00, flags: CJ
Incoming interface: GigabitEthernet 1/31, RPF neighbor 10.11.13.2
Outgoing interface list:
Vlan 300 Forward/Sparse 00:00:33/Never
R2(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 Advertisement
K - Ack-Pending State
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
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 Advertisement
K - Ack-Pending State
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(10.11.5.2, 239.0.0.1), uptime 00:01:34, expires 00:02:58, flags: FT
Incoming interface: GigabitEthernet 3/1, RPF neighbor 0.0.0.0 Registeri
ng
Outgoing interface list:
GigabitEthernet 3/11 Forward/Sparse 00:01:34/00:03:01
(10.11.5.2, 239.0.0.2), uptime 00:00:17, expires 00:00:00, flags: FJ
Incoming interface: GigabitEthernet 3/1, RPF neighbor 0.0.0.0
Outgoing interface list:
GigabitEthernet 3/11 Forward/Sparse 00:00:17/00:03:
R1(conf)#do show run pim
!
ip pim rp-address 10.11.12.2 group-address 224.0.0.0/4
ip pim ssm-range ssm
R1(conf)#do show run acl
!
ip access-list standard map
seq 5 permit host 239.0.0.2
!
ip access-list standard ssm
seq 5 permit host 239.0.0.2
R3(conf)#do show run pim
!
ip pim rp-address 10.11.12.2 group-address 224.0.0.0/4
ip pim ssm-range ssm
R1(conf)#do show run acl
!
ip access-list standard ssm
seq 5 permit host 239.0.0.2