Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.14.1.0 - Page 612
Scenario, Output, Reached RP/Core
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Scenario Output 103.103.103.0/24 -3 2.2.2.1 PIM - 103.103.103.0/24 -4 103.103.103.3 --> Source ---- You can issue the mtrace command by providing the source and multicast information. However, if the multicast group is a shared group (*,G), then mtrace traces the path of the shared tree until it reaches the RP. The source mask field reflects the shared tree that is being used to trace the path. The shared tree is used even in case where the source provided is not valid. R1>mtrace 3.3.3.3 1.1.1.1 226.0.0.3 Type Ctrl-C to abort. Querying reverse path for source 3.3.3.3 to destination 1.1.1.1 via group 226.0.0.3 From source (?) to destination (?) --- |Hop| OIF IP |Proto| Forwarding Code |Source Network/ Mask| --- 0 1.1.1.1 --> Destination -1 1.1.1.1 PIM - shared tree -2 12.12.12.1 PIM Reached RP/Core shared tree ---- When you issue the mtrace command with R1>mtrace 6.6.6.6 4.4.4.5 234.1.1.1 the source and multicast group information, if Type Ctrl-C to abort. a multicast route is not present on a particular node, then the NO ROUTE error code is displayed on the node. In this Querying reverse path for source 6.6.6.6 to destination 4.4.4.5 via group 234.1.1.1 From source (?) to destination (?) scenario, the Source Network/Mask column for that particular node displays the the value as default. |Hop| OIF IP |Proto| Forwarding Code |Source Network/ Mask| --- 0 4.4.4.5 --> Destination -1 4.4.4.4 PIM - 6.6.6.0/24 -2 20.20.20.2 PIM - 6.6.6.0/24 -3 10.10.10.1 PIM No route default ---- If you invoke a weak mtrace query (without R1>mtrace 6.6.6.6 4.4.4.5 the multicast group details) and the RPF Type Ctrl-C to abort. neighbor on one of the nodes to the source is Querying reverse path for source 6.6.6.6 to destination not PIM enabled, the output of the command 4.4.4.5 via group 234.1.1.1 displays a NO ROUTE error code in the From source (?) to destination (?) Forwarding Code column. In the command output, the entry for that node in the Source Network/Mask column displays the value as default. --- |Hop| OIF IP |Proto| Forwarding Code |Source Network/ Mask| --- 0 4.4.4.5 --> Destination -1 4.4.4.4 PIM - 6.6.6.0/24 -2 20.20.20.2 PIM - 6.6.6.0/24 612 Multicast Features
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