Defining the Maximum Number of IPv6 PIM Cache Entries

You can define the maximum number of IPv6 PIM multicast cache entries.

You can use the max-mcache command to define the maximum number of repeated IPv6 PIM traffic packets being sent from the same source address and being received by the same destination address. To define the maximum number of IPv6 PIM cache entries for the default VRF, use the following steps. You can also define this number for a specific VRF when you add the VRF name to the ipv6 router pim command in step 2.

If the maximum number of IPv6 PIM multicast cache entries is not defined by the user, the maximum value is determined by the system max pim6-hw-mcache command, or by available system resources.

  1. Enter global configuration mode. 
    device# configure terminal
  2. Enable IPv6 PIM globally. 
    device(config)# ipv6 router pim
  3. Define the maximum number of IPv6 PIM cache entries. 
    device(config-ipv6-pim-router)# max-mcache 999

The following example defines the maximum number of IPv6 PIM cache entries as 999. 

device# configure terminal
device(config)# ipv6 router pim
device(config-ipv6-pim-router)# max-mcache 999
Parent topic: IPv6 PIM Sparse