Supermicro SSE-G24-TG4 Configuration Manual
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Supermicro SSE-G24-TG4 Configuration Manual

L2 / l3 switches
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Download this manual See also: Reference Manual, Configuration Manual
L2 / L3 Switches
IGMP Snooping
Configuration Guide
Revision 1.0

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Summary of Contents for Supermicro SSE-G24-TG4

  • Page 1 L2 / L3 Switches IGMP Snooping Configuration Guide Revision 1.0...
  • Page 2 Please Note: For the most up-to-date version of this manual, please see our web site at www.supermicro.com. Super Micro Computer, Inc. (“Supermicro”) reserves the right to make changes to the product described in this manual at any time and without notice.

  • Page 3: Table Of Contents

    Report Suppression Interval ....................... 18 1.12 Proxy Reporting........................... 19 1.13 Send Query when Topology Changes ..................20 1.14 Multicast Forwarding Mode ....................... 21 1.15 Disabling IGMP Snooping ......................22 1.16 IGMP Snooping Configuration Example ..................23 Supermicro L2/L3 Switches Configuration Guide...

  • Page 4: Igmp Snooping Configuration Guide

    IGMP Snooping Configuration Guide 1 IGMP Snooping Configuration Guide This document describes the IGMP Snooping feature supported in Supermicro Layer 2 / Layer 3 switch products. The IGMP Snooping configurations for the below listed Supermicro switch products are covered. Top of Rack Switches Blade Switches •...
  • Page 5 A switch forwards the multicast traffic based on the information available on the multicast table. It sends the multicast traffic of any group to only the ports that have hosts joined for that multicast group. This mechanism prevents the unnecessary flooding of multicast traffic to all the ports. Supermicro L2/L3 Switches Configuration Guide...

  • Page 6: Igmp Snooping Support

    Traffic 1.2 IGMP Snooping Support Supermicro switches support IGMP snooping for all three IGMP versions (1, 2 and 3). Supermicro switches support forwarding of multicast traffic based on MAC and IP addresses. Supermicro switches support up to 255 multicast groups.

  • Page 7: Enabling Igmp Snooping

    Query interval 125 seconds 1.4 Enabling IGMP Snooping IGMP snooping is disabled by default in Supermicro switches. IGMP snooping needs to be enabled globally and also needs to be enabled in VLANs individually. Follow the steps below to enable IGMP snooping.

  • Page 8: Igmp Version

    SMIS(config-vlan)# end 1.5 IGMP Version The IGMP protocol standard has three versions: v1, v2 and v3. Supermicro switches support IGMP snooping for all three versions. Supermicro IGMP snooping support interoperates with different IGMP versions as defined in IGMP protocol standard.

  • Page 9: Multicast Router Port

    IGMP control messages are received again. This period of time is called the router port timeout value. By default, Supermicro switches have a router port timeout value of 125 seconds. This value can be changed by following the steps below.

  • Page 10: Static Router Port

    [vlan <vlan>] Displays the IGMP snooping router port information. If a VLAN identifier is provided it displays the router port for the given VLAN. If a VLAN identifier is not provided it displays the router ports Supermicro L2/L3 Switches Configuration Guide...

  • Page 11: Leaving Multicast Group

    Switches follow the above process only for IGMP version 2 leave messages. The following parameters are used to control the leave message handling procedure in Supermicro switches. Group Query Interval – This configures the amount of time a switch will wait to get response for its group specific queries from IGMP hosts.

  • Page 12: Group Query Interval

    2 seconds. The example below shows the commands used to configure the group query interval time. Configure the group query interval time as 5 seconds. SMIS# configure terminal SMIS(config)# ip igmp snooping group-query-interval 5 Supermicro L2/L3 Switches Configuration Guide...

  • Page 13: Group Query Retry Count

    This function is called immediate leave and it is configurable per a VLAN basis. Immediate leave is disabled by default in all VLANs. Follow the steps below to enable the immediate leave for any VLAN. Supermicro L2/L3 Switches Configuration Guide...

  • Page 14: Igmp Snooping Querier

    IGMP routers on the network. In these cases switches will have multicast hosts and sources on the same subnet as shown in the figure below. Supermicro L2/L3 Switches Configuration Guide...
  • Page 15 IGMP router. This will make hosts send periodic IGMP reports and hence the multicast group entries in switches will not time out. Supermicro switches do not act as an IGMP querier by default. Users can configure the switch to act as an IGMP querier for any required VLANs.

  • Page 16: Report Forward

    SMIS(config-vlan)# end 1.9 Report Forward When IGMP snooping is enabled, Supermicro switches forward IGMP host member reports to IGMP routers. When a switch has not recognized any router ports, it forwards IGMP host member reports to all ports except the port on which the host member report was received. When a switch recognizes a router port, it forwards the IGMP host member reports to only the recognized router port.

  • Page 17: Port Timeout (Port Purge Interval)

    Port Timeout (Port Purge Interval) A switch recognizes a IGMP host’s connected ports by snooping the IGMP join messages sent by the host and maintains a multicast forwarding table based on the host’s joined ports for every multicast group. Supermicro L2/L3 Switches Configuration Guide...

  • Page 18: Report Suppression Interval

    Supermicro switches have a port purge interval value of 260 seconds by default. Users can change this value by following the steps below.

  • Page 19: Proxy Reporting

    IGMP Snooping Configuration Guide Supermicro switches suppress the IGMP reports for IGMP versions 1 and 2 only. If a IGMP report contains IGMP version 3 reports, switches will forward these reports to multicast routers without suppressing. Users can configure the report suppression time period. The default value is 5 seconds.

  • Page 20: Send Query When Topology Changes

    IGMP Snooping Configuration Guide Proxy reporting is enabled by default in Supermicro switches. Users can disable or enable the proxy reporting feature by following the steps below. Step Command Description Step 1 configure terminal Enters the configuration mode. Step 2 ip igmp snooping proxy-reporting Enables the proxy reporting feature.

  • Page 21: Multicast Forwarding Mode

    Multicast traffic can be forwarded based on either the destination multicast’s MAC address or the its IP address. When IGMP snooping is enabled, Supermicro switches forward multicast traffic based on the destination MAC address. Users can change multicast forwarding to use the destination multicast’s IP address instead of its MAC address.

  • Page 22: Disabling Igmp Snooping

    SMIS(config)# snooping multicast-forwarding-mode ip SMIS(config)# end 1.15 Disabling IGMP Snooping IGMP snooping is disabled by default in Supermicro switches. After enabling IGMP snooping, it must be disabled globally and also in VLANs individually. Follow the steps below to disable IGMP snooping. Step Command...

  • Page 23: Igmp Snooping Configuration Example

    3. Use IGMP v2 for group 225.0.0.1 and also enable fast leave since hosts are directly connected to the switch. 4. Disable the proxy reporting. 5. Enable the switch to send general IGMP queries when spanning tree topology changes. Supermicro L2/L3 Switches Configuration Guide...
  • Page 24 # Create the port channel 1 interface SMIS(config)# int port-channel 1 SMIS(config-if)# exit # Add member ports to the port channel 1 interface SMIS(config)# int range ex 0/3-4 SMIS(config-if)# channel-group 1 mode active SMIS(config-if)# exit Supermicro L2/L3 Switches Configuration Guide...
  • Page 25 Firmware Version SSE-G48-TG4 (P2-01) 1.0.13-10 interface port-channel 1 exit vlan 1 ports gi 0/11-19 untagged ports gi 0/41-48 untagged ports ex 0/2 untagged exit vlan 10 ports gi 0/20-40 untagged ports po 1 untagged exit Supermicro L2/L3 Switches Configuration Guide...
  • Page 26 Gi 0/9 switchport trunk allowed vlan 20 switchport mode trunk interface Gi 0/10 switchport trunk allowed vlan 20 switchport mode trunk interface Gi 0/20 switchport access vlan 10 switchport mode access interface Gi 0/21 Supermicro L2/L3 Switches Configuration Guide...
  • Page 27 Gi 0/30 switchport access vlan 10 switchport mode access interface Gi 0/31 switchport access vlan 10 switchport mode access interface Gi 0/32 switchport access vlan 10 switchport mode access interface Gi 0/33 Supermicro L2/L3 Switches Configuration Guide...
  • Page 28 Ex 0/3 channel-group 1 mode active interface Ex 0/4 channel-group 1 mode active interface po 1 switchport trunk native vlan 10 switchport mode trunk exit ip igmp snooping no ip igmp snooping proxy-reporting Supermicro L2/L3 Switches Configuration Guide...
  • Page 29 Snooping switch is configured as Querier Snooping switch is acting as Querier Query interval is 125 seconds SMIS# # Save this port channel configuration. SMIS# write startup-config Building configuration, Please wait. May take a few minutes ... [OK] SMIS# Supermicro L2/L3 Switches Configuration Guide...

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