Table Of Contents
PIM Dense Mode Fallback Prevention in a Network Following RP Information Loss
The PIM Dense Mode Fallback Prevention in a Network Following RP Information Loss feature enables you to prevent PIM dense mode (PIM-DM) fallback when all rendezvous points (RPs) fail. Preventing the use of PIM dense mode is very important to multicast networks whose reliability is critical. This feature provides a mechanism to keep the multicast groups in sparse mode, thereby preventing dense mode flooding.
Configuration information is included in the "Configuring Basic IP Multicast" at the following URL:
The following sections provide information about this feature:
•Configuring Sparse Mode with Auto-RP
For a complete list of features included in the "Configuring Basic IP Multicast" module, see the Feature Information table located toward the end of the module.
Command Reference Information
The following command is new or modified for this feature:
•ip pim dm-fallback
Detailed information about this command is included in the Cisco IOS IP Multicast Command Reference, at the following URL:
Master Commands Lists
Cisco IOS master commands lists provide an alphabetical list of all Cisco IOS commands in a Cisco IOS release.
Cisco IOS Master Commands List, Release 12.2SX, at the following URL:
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
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