Users Guide

Layer 3 Routing Commands 1641
Default Configuration
IPv6 PIM sparse mode is disabled by default.
Command Mode
Global Configuration mode
User Guidelines
Only one of sparse or dense mode can be configured on a router. DVMRP
must be disabled before enabling PIM.
Example
console(config)#ipv6 pim sparse-mode
ipv6 pim ssm
Use the ipv6 pim ssm command to define the Source Specific Multicast
(SSM) range of multicast addresses.
Syntax
ipv6 pim ssm {default | group-address/prefixlength}
• default — Defines the SSM range access list to FF3x::/32.
• group-address — Group IP address supported by RP.
• prefixlength — This parameter specifies the prefix length of the IP address
for the media gateway. (Range: 1–128)
Default Configuration
The default range is FF3x::/32.
Command Mode
Global Configuration mode
User Guidelines
There are no user guidelines for this command.