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DELL S50V User Manual

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PIM Sparse-Mode | 761
Figure 34-5.  Electing a Rendezvous Point
Override Bootstrap Router Updates
PIM-SM routers need to know the address of the RP for each group for which they have (*,G) entry. This 
address is obtained automatically through the bootstrap router (BSR) mechanism or a static RP 
configuration.
If you have configured a static RP for a group, use the option 
override
 with the command [
ip | ipv6
]
 pim 
rp-address 
to override bootstrap router updates with your static RP configuration. If you do not use this 
option, the RPs advertised in the BSR updates take precedence over any statically configured RPs.
Display the assigned RP for a group using the command
 show 
[
ip | ipv6
]
 pim rp
 from EXEC privilege 
mode, as shown in 
.
Figure 34-6.  Displaying the Rendezvous Point for a Multicast Group
Display the assigned RP for a group range (group-to-RP mapping) using the command 
show ip pim rp 
mapping
 command in EXEC privilege mode
Figure 34-7.  Display the Rendezvous Point for a Multicast Group Range
IP Version
Task
Command Syntax
Command Mode
IPv4
Override bootstrap router RP election results 
with your static RP configuration.
ip pim rp-address
CONFIGURATION
IPv4
Display the assigned RP for a group.
show ip pim rp
EXEC Privilege
IPv4
Display the assigned RP for a group range 
(group-to-RP mapping).
show ip pim rp mapping
EXEC Privilege
FTOS#sh run int loop0
!
interface Loopback 0
 ip address 1.1.1.1/32
 ip pim sparse-mode 
 no shutdown
FTOS#sh run pim
!
ip pim rp-address 1.1.1.1 group-address 224.0.0.0/4 
FTOS#show ip pim rp 
Group            RP             
225.0.1.40       165.87.50.5 
226.1.1.1 165.87.50.5 
FTOS#show ip pim rp mapping 
PIM Group-to-RP Mappings
Group(s): 224.0.0.0/4, Static
  RP: 165.87.50.5, v2