HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP Co - Page 153
max-response-time, show ip igmp snooping, ip igmp snooping report-suppression
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Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands ip igmp snooping querier Usage Guidelines Use this command to enable IGMP snooping to detect the IGMP version and IP address of a device that sends IGMP query messages, which is also called a querier. By default, the IGMP snooping querier is configured to detect devices that use IGMP Version 2 (IGMPv2) but does not detect clients that are using IGMP Version 1 (IGMPv1). You can manually configure the max-response-time value when devices use IGMPv2. You cannot configure the max-response-time when devices use IGMPv1. (The value cannot be configured and is set to zero). Non-RFC compliant devices running IGMPv1 might reject IGMP general query messages that have a non-zero value as the max-response-time value. If you want the devices to accept the IGMP general query messages, configure the IGMP snooping querier to run IGMPv1. VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used in IGMP snooping. Examples This example shows how to globally enable the IGMP snooping querier feature: Switch(config)# ip igmp snooping querier This example shows how to set the IGMP snooping querier maximum response time to 25 seconds: Switch(config)# ip igmp snooping querier max-response-time 25 This example shows how to set the IGMP snooping querier interval time to 60 seconds: Switch(config)# ip igmp snooping querier query-interval 60 This example shows how to set the IGMP snooping querier TCN query count to 25: Switch(config)# ip igmp snooping querier tcn count 25 This example shows how to set the IGMP snooping querier timeout to 60 seconds: Switch(config)# ip igmp snooping querier timeout expiry 60 This example shows how to set the IGMP snooping querier feature to version 2: Switch(config)# ip igmp snooping querier version 2 You can verify your settings by entering the show ip igmp snooping privileged EXEC command. Related Commands Command ip igmp snooping report-suppression show ip igmp snooping show ip igmp snooping groups show ip igmp snooping mrouter Description Enables IGMP report suppression. Displays the IGMP snooping configuration. Displays IGMP snooping multicast information. Displays the IGMP snooping router ports. OL-8916-01 Cisco Catalyst Blade Switch 3020 for HP Command Reference 2-125