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Configuring IP Multicast Protocols
RegStop The number of Register Stop messages sent or received on the
interface.
Assert The number of Assert messages sent or received on the interface.
Total Recv/Xmit The total number of IGMP messages sent and received by the routing
switch.
Total Discard/chksum The total number of IGMP messages discarded, including a separate
counter for those that failed the checksum comparison.
This Field... Displays...
USING THE WEB MANAGEMENT INTERFACE
You cannot display PIM statistics using the Web management interface.
Configuring Multicast Source Discovery Protocol (MSDP)
The Multicast Source Discovery Protocol (MSDP) is used by Protocol Independent Multicast (PIM) Sparse routers
to exchange routing information for PIM Sparse multicast groups across PIM Sparse domains. Routers running
MSDP can discover PIM Sparse sources that are in other PIM Sparse domains.
PIM Sparse routers use MSDP to register PIM Sparse multicast sources in a domain with the Rendezvous Point
(RP) for that domain.
Figure 9.4 shows an example of some PIM Sparse domains. For simplicity, this example show only one
Designated Router (DR), one group source, and one receiver for the group. Only one PIM Sparse router within
each domain needs to run MSDP.
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