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Changing global IP multicast parameters 3<br />
Syntax: [no] max-mcache num<br />
The num variable specifies the maximum number of multicast cache entries for PIM in the default<br />
VRF. If not defined by this command, the maximum value is determined by the system-max<br />
command option pim-hw-mcache or by available system resources.<br />
To define the maximum number of PIM Cache entries for a specified VRF, use the following<br />
command.<br />
<strong>Brocade</strong>(config)# router pim vrf vpn1<br />
<strong>Brocade</strong>(config-pim-router-vrf-vpn1)# max-mcache 999<br />
Syntax: [no] router pim [vrf vrf-name]<br />
Syntax: [no] max-mcache num<br />
The vrf parameter specified with the router pim command allows you to configure the max-mcache<br />
command for a virtual routing instance (VRF) specified by the variable vrf-name.<br />
The num variable specifies the maximum number of multicast cache entries for PIM in the<br />
specified VRF. If not defined by this command, the maximum value is determined by the<br />
system-max command option pim-hw-mcache or by available system resources.<br />
Defining the maximum number of IGMP group addresses<br />
You can use the following run-time command to set the maximum number of IGMP addresses for<br />
the default VRF or for a specified VRF. To define this maximum for the default VRF, enter the<br />
following command.<br />
<strong>Brocade</strong>(config)# ip igmp max-group-address 1000<br />
Syntax: [no] ip igmp max-group-address num<br />
The num variable specifies the maximum number of IGMP group addresses you want to make<br />
available for all VRFs, including the default VRF. If not defined by this command, the maximum<br />
value is determined by available system resources.<br />
To define this maximum for a specified VRF, enter the following commands.<br />
<strong>Brocade</strong>(config)# vrf vpn1<br />
<strong>Brocade</strong>(config-vrf-vpn1)# address-family ipv4<br />
<strong>Brocade</strong>(config-vrf-vpn1-ipv4)# ip igmp max-group-address 1000<br />
Syntax: [no] vrf vrf-name<br />
Syntax: [no] address-family ipv4<br />
Syntax: [no] ip igmp max-group-address num<br />
The vrf parameter specifies the virtual routing instance (VRF) specified by the variable vrf-name.<br />
The num parameter specifies the number of IGMP group addresses that you want to make<br />
available for the specified VRF. If not defined by this command, the maximum value is determined<br />
by available system resources.<br />
FastIron Ethernet Switch IP Multicast Configuration Guide 63<br />
53-1002638-02
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