A new multicast server is being added to an existing PIM Sparse mode network. Which device in this network must the new server register with before its multicast traffic can be dispersed throughout the network?
Key points for this this question are:
the server is a multicast SOURCE
PIM Sparse mode networks use a Rendezvous Point (RP)
RP's are aware of the hosts that are interest in receiving the multicast traffic source from the Server.
"Sources register with the RP and then data is forwarded down the shared tree to the receivers"
IF the question asked about the multicast RECEIVER:
a multicast receiver sends a IGMP membership report to the local PIM Router
The local PIM router/last hop router will send a join request in the direction of the RP, so that a distribution tree can be built for the traffic the client is interested in receiving.
D
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-tech-oview.html
When hosts join a multicast group, the directly connected routers send PIM Join messages toward the RP.
provided answer is correct
reference:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-9/configuration_guide/sys_mgmt/b_169_ip_mcast_rtng_3850_cg/ip_multicast_optimization__optimizing_pim_sparse_mode_in_a_large_ip_multicast_deployment.html
upvoted 3 times
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