Configuring IP Multicast Protocols
This display shows the following information.
| This Field... | Displays... |
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| (<source>, <group>) | The |
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| The <source> is the PIM source for the multicast <group>. For |
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| example, the following entry means source 209.157.24.162 for group |
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| 239.255.162.1: (209.157.24.162,239.255.162.1) |
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| If the <source> value is * (asterisk), this cache entry uses the RP |
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| path. The * value means “all sources”. |
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| If the <source> is a specific source address, this cache entry uses the |
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| SPT path. |
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| Indicates the RP for the group for this cache entry. |
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| Note: The RP address appears only if the RPT flag is set to 1 and the |
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| SPT flag is set to 0 (see below). |
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| forward port | The port through which the routing switch reaches the source. |
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| Count | The number of packets forwarded using this cache entry. |
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| Sparse Mode | Indicates whether the cache entry is for regular PIM (dense mode) or |
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| PIM Sparse. This flag can have one of the following values: |
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| • 0 – The entry is not for PIM Sparse (and is therefore for the dense |
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| mode of PIM). |
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| • 1– The entry is for PIM Sparse. |
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| RPT | Indicates whether the cache entry uses the RP path or the SPT path. |
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| The RPT flag can have one of the following values: |
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| • 0 – The SPT path is used instead of the RP path. |
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| • 1– The RP path is used instead of the SPT path. |
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| Note: The values of the RP and SPT flags are always opposite (one |
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| is set to 0 and the other is set to 1). |
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| SPT | Indicates whether the cache entry uses the RP path or the SPT path. |
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| The SP flag can have one of the following values: |
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| • 0 – The RP path is used instead of the SPT path. |
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| • 1– The SPT path is used instead of the RP path. |
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| Note: The values of the RP and SPT flags are always opposite (one |
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| is set to 0 and the other is set to 1). |
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| Register Suppress | Indicates whether the Register Suppress timer is running. This field |
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| can have one of the following values: |
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| • 0 – The timer is not running. |
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| • 1 – The timer is running. |
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| member ports | Indicates the routing switch physical ports to which the receivers for |
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| the source and group are attached. The receivers can be directly |
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| attached or indirectly attached through other PIM Sparse routers. |
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| virtual ports | Indicates the virtual interfaces to which the receivers for the source |
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| and group are attached. The receivers can be directly attached or |
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| indirectly attached through other PIM Sparse routers. |
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