Switch Release Notes
Configuring IP Routing (Layer 3)
Cajun P550/P220 Switch Operation Guide   7-17
5.
To enable MTRACE processing, from the 
MTRACE
 pull-down menu, select 
Enable
.
6.
Click 
APPLY to save your changes, or CANCEL to restore previous settings.
Modifying IGMP Interfaces
To modify IGMP interfaces:
1. In the IGMP Configuration section of the Web Agent window, click Interfaces. 
The IGMP Interfaces dialog box opens. 
Note: If no IGMP interfaces are enabled for your existing IP interfaces, you must 
first enable a multicast protocol before you can configure IGMP. Refer to 
“Creating an IP Interface” earlier in this chapter for more information on 
how to select a multicast protocol.
2. Use Table 7-8 to complete your configuration:
Table 7 -8. IGMP Interface Parameters
Parameter Allows you to...
Select Select the interface to be modified.
Interface Display the IP interface that is configured with IGMP.
IP Address Identify an IP address associated with this interface. This 
parameter is not configurable from the IGMP configuration 
dialog box.
IP Address Mask Identify a subnet mask associated with this interface. This 
parameter is not configurable from the IGMP configuration 
dialog box.
IGMP Version Specify the IGMP Version (1.0 or 2.0) to associate with the 
IGMP interface.
Maximum Groups Specify the number of IGMP Groups that can be active on this 
interface. The default value is 32.
Always be Group 
Membership Querier
Vers i on  1 .0 :  Enable or disable this interface to be the 
designated querier. 
Vers i on  2 .0 :  
• Enable to force this interface to send queries. 
• Disable to obey the designated querier election.
Only the designated router will query hosts on your network. 
This is disabled by default.
Process Leave Packets Enable to terminate group memberships quickly. (IGMP 
Version 2.0 only). The default value is Enabled.
Query Request Interval in 
(sec)
Configure the time period between queries. The default value 
is 125 seconds.










