Managing IPv4 and IPv6 Multicast 1147
Default L3 Multicast Values
IP and IPv6 multicast is disabled by default. Table 42-2 shows the default 
values for L3 multicast and the multicast protocols.
Table 42-2. L3 Multicast Defaults
Parameter Default Value
IPv4 Multicast Defaults
L3 Multicast Admin Mode Disabled
Maximum Multicast Routing Table 
Entries
2048
Static Multicast Routes None configured
Interface TTL Threshold 1
IGMP Defaults
IGMP Admin Mode Disabled globally and on all interfaces 
IGMP Version v3
IGMP Robustness 2
IGMP Query Interval 125 seconds
IGMP Query Max Response Time 100 seconds
IGMP Startup Query Interval 31 seconds
IGMP Startup Query Count 2
IGMP Last Member Query Interval 1 second
IGMP Last Member Query Count 2
IGMP Proxy Interface Mode Disabled
IGMP Proxy Unsolicited Report Interval 1 second
MLD Defaults
MLD Admin Mode Disabled globally and on all interfaces 
MLD Version v2
MLD Query Interval 125 seconds
MLD Query Max Response Time 10,000 milliseconds