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| Sun Ethernet Fabric Operating System ### IGS Administration Guide

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## Configure the IGS Version

The operating version of an IGS switch on a VLAN can be V1, V2, or V3. This section describes the configuration of IGMP version on a VLAN. If you have questions about the topology used in this section, see Flow-Based Configuration Example. For the default settings, see Default Settings.

1. On DUT1, configure the multicast forwarding mode for IGS as MAC-based.

       SEFOS# configure terminal
       SEFOS(config)# snooping multicast-forwarding-mode mac

2. Disable GMRP.

       SEFOS(config)# set gmrp disable

3. Enable IGS.

       SEFOS(config)# ip igmp snooping

4. Configure `VLAN 2` in the switch.

       SEFOS(config)# vlan 2

5. Configure the static VLAN entry (`VLAN 2`) with the required ports.

       SEFOS(config-vlan)# ports extreme-ethernet 0/1-2

6. Configure the version of IGS as V2 for the VLAN.

       SEFOS(config-vlan)# ip igmp snooping version v2
       SEFOS(config-vlan)# exit

7. Configure `VLAN 3` in the switch.

       SEFOS(config)# vlan 3

8. Configure the static VLAN entry (`VLAN 3`) with the required ports.

       SEFOS(config-vlan)# ports extreme-ethernet 0/3-4

9. Configure the version of IGS as V3 for the VLAN.

       SEFOS(config-vlan)# ip igmp snooping version v3
       SEFOS(config-vlan)# exit

10. Enter Interface Configuration mode for Gigabit Ethernet interface `0/1`.

        SEFOS(config)# interface extreme-ethernet 0/1

11. Set the PVID as `VLAN 2`.

        SEFOS(config-if)# switchport pvid 2

12. Bring up the interface.

        SEFOS(config-if)# no shutdown
        SEFOS(config-if)# exit

13. Enter Interface Configuration mode for Gigabit Ethernet interface `0/2`.

        SEFOS(config)# interface extreme-ethernet 0/2

14. Set the PVID as `VLAN 2`.

        SEFOS(config-if)# switchport pvid 2

15. Bring up the interface.

        SEFOS(config-if)# no shutdown
        SEFOS(config-if)# exit

16. Enter Interface Configuration mode for Gigabit Ethernet interface `0/3`.

        SEFOS(config)# interface extreme-ethernet 0/3

17. Set the PVID as `VLAN 3`.

        SEFOS(config-if)# switchport pvid 3

18. Bring up the interface.

        SEFOS(config-if)# no shutdown
        SEFOS(config-if)# exit

19. Enter Interface Configuration mode for Gigabit Ethernet interface `0/4`.

        SEFOS(config)# interface extreme-ethernet 0/4

20. Set the PVID as `VLAN 3`.

        SEFOS(config-if)# switchport pvid 3

21. Bring up the interface.

        SEFOS(config-if)# no shutdown
        SEFOS(config-if)# end

22. Review the IGS-related configurations.

        SEFOS# show ip igmp snooping globals

        Snooping Configuration
        -----------------------------
        IGMP Snooping globally enabled
        IGMP Snooping is operationally enabled
        IGMP Snooping Enhanced mode is disabled
        Transmit Query on Topology Change globally disabled
        Multicast forwarding mode is MAC based
        Proxy globally disabled
        Proxy reporting globally enabled
        Filter is disabled
        Router port purge interval is 125 seconds
        Port purge interval is 260 seconds
        Report forward interval is 5 seconds
        Group specific query interval is 2 seconds
        Reports are forwarded on router ports
        Group specific query retry count is 2
        Multicast VLAN disabled
        Leave config level is Vlan based

23. Review the IGS version in `VLAN 2`.

        SEFOS# show ip igmp snooping vlan 2

        Snooping VLAN Configuration for the VLAN 2
             IGMP Snooping enabled
             IGMP configured version is V2
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
          Port Purge Interval is 260 seconds
          Max Response Code is 100, Time is 10 seconds

24. Review the IGS version in `VLAN 3`.

        SEFOS# show ip igmp snooping vlan 3

        Snooping VLAN Configuration for the VLAN 3
          IGMP Snooping enabled
          IGMP configured version is V3
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
             Port Purge Interval is 260 seconds
             Max Response Code is 100, Time is 10 seconds

25. Review the `VLAN 2` database.

        SEFOS# show vlan id 2

        Vlan database-------------------Vlan ID                 : 2Member Ports            : Ex0/1, Ex0/2Untagged Ports          : NoneForbidden Ports         : NoneName                    :Status                  : Permanent----------------------------------------------------

26. Review the `VLAN 3` database.

        SEFOS# show vlan id 3

        Vlan database------------------Vlan ID                 : 3Member Ports            : Ex0/3, Ex0/4Untagged Ports          : NoneForbidden Ports         : NoneName                    :Status                  : Permanent----------------------------------------------------

27. Send IGMP V3 queries from host A and IGMP V2 queries from host B.
28. Review the IGS version in `VLAN 2`.

        SEFOS# show ip igmp snooping vlan 2

        Snooping VLAN Configuration for the VLAN 2
          IGMP Snooping enabled
          IGMP configured version is V2
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
          Port Purge Interval is 260 seconds
          Max Response Code is 100, Time is 10 seconds

29. Review the IGS version in `VLAN 3`.

        SEFOS# show ip igmp snooping vlan 3

        Snooping VLAN Configuration for the VLAN 3
          IGMP Snooping enabled
          IGMP configured version is V3
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
             Port Purge Interval is 260 seconds
             Max Response Code is 100, Time is 10 seconds

30. Stop sending queries from host A and host B, and wait for the router port-purge interval.
31. Review the IGS version in `VLAN 2`.

        SEFOS# show ip igmp snooping vlan 2

        Snooping VLAN Configuration for the VLAN 2
          IGMP Snooping enabled
          IGMP configured version is V2
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
          Port Purge Interval is 260 seconds
          Max Response Code is 100, Time is 10 seconds

32. Review the IGS version in `VLAN 3`.

        SEFOS# show ip igmp snooping vlan 3

        Snooping VLAN Configuration for the VLAN 3
          IGMP Snooping enabled
          IGMP configured version is V3
          Fast leave is disabled
          Snooping switch is configured as Non-Querier
          Snooping switch is acting as Non-Querier
          Query interval is 125 seconds
          Port Purge Interval is 260 seconds
          Max Response Code is 100, Time is 10 seconds

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