Brocade Mobility Access Point System Reference Guide (Supporting software release 5.5.0.0 and later) - Manual (Page 332)

322 Brocade Mobility Access Point System Reference Guide
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Set the following parameters for IGMP Querier configuration:
Select the OK button to save the changes and overrides to the IGMP Snooping tab. Select Reset to
revert to the last saved configuration.
Overriding a Cisco Discovery Protocol Configuration
Overriding the Network Configuration
The Cisco Discovery Protocol (CDP) is a proprietary data link layer protocol implemented in Cisco
networking equipment. It's primarily used to obtain IP addresses of neighboring devices and
discover their platform information. CDP is also used to obtain information about the interfaces the
access point uses. CDP runs only over the data link layer enabling two systems that support
different network-layer protocols to learn about each other.
To override a profile’s CDP configuration:
Select Devices from the Configuration tab.
Select Device Overrides from the Device menu to expand it into sub menu options.
Select a target device from the device browser in the lower, left-hand, side of the UI.
Select Network to expand its sub menu options.
Select Cisco Discovery Protocol.
Enable IGMP Querier Select this option to enable IGMP querier. IGMP snoop querier is used to keep host memberships
alive. It is primarily used in a network where there is a multicast streaming server and hosts
subscribed to the server and no IGMP querier present. The controller can perform the IGMP querier
role. An IGMP querier sends out periodic IGMP query packets. Interested hosts reply with an IGMP
report packet. IGMP snooping is only conducted on wireless radios. IGMP multicast packets are
flooded on wired ports. IGMP multicast packet are not flooded on the wired port. IGMP
membership is also learnt on it and only if present, then forwarded on that port.
Source IP Address Define an IP address applied as the source address in the IGMP query packet. This address is used
as the default VLAN querier IP address.
IGMP Version Use the spinner control to set the IGMP version compatibility to IGMP version 1, 2 or 3. The default
IGMP version is 3.
Maximum Response Time Specify the maximum time (from 1 - 25 seconds) before sending a responding report. When no
reports are received from a radio, radio information is removed from the IGMP snooping table. The
access point only forwards multicast packets to radios present in the snooping table. For IGMP
reports from wired ports, the controller forwards these reports to the multicast router ports. The
default setting is 10 seconds.
Other Querier Time Expiry Specify an interval in either Seconds (60 - 300) or Minutes (1 - 5) to set a timeout interval for other
querier resources. The default setting is 1 minute.