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Multicast: Difference between revisions

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Multicast (view source)

Revision as of 16:18, 15 December 2022

53 bytes added ,  1 year ago
→‎Sparse-dense-mode
 
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* Once the multicast routing table is populated router always prefer (S,G) over (*,G) and in multicast routing table we have incoming interfaces and OIL for outgoing interface list if the RPF check passes multicast traffic is send across all interfaces in OIL.
 
* On multicast router -below sh ip igmp group --command shows which multicast group is active on ethernet and which receiver has joined the group :
sh ip igmp group
 
* To determine which router is IGMP queried router - sh ip igmp interface EO:
sh ip igmp interface EO
 
* We can manually tune the query interval and query max response time - :
* ip igmp query interval -120 ip igmp query interval 120 (default 60 sec) -> query interval
* response time - ip igmp query-max-response-time 20 (default 10 sec) -> response time
 
* IOS command to supportspecify which version of IGMP is -to ipbe igmp version 1/2enabled:
ip igmp version 1/2
 
* Test commands for IGMP
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