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Forum Discussion

infra-stephan's avatar
Mar 02, 2019
Solved

How to configure IGMP Snooping for Bonjour

Dear community,

 

we ran two switches A and B until recently (both HP ProCurve, fully managed). A printer is connected to switch A, some desktops and Wifi access points are connected to switch B. In this configuration, Bonjour worked without any issues. All mentioned devices are connected to VLAN 1.

 

Recently, we added a M4300 (latest firmware, 12.0.7.12) and connected switches A and B to it, so the M4300 is now our "core switch". We have noticed that Bonjour no longer works. Cross-checking (remove M4300 and connect switches A and B directly again) made Bonjour working again.

 

All switches are working on Layer 2 only.

 

First investigations revealed that some IGMP Snooping configuration is required on the M4300. What exactly has to be configured to make Bonjour work again?

 

Thanks for your help.

 

Stephan

  • LaurentMa's avatar
    LaurentMa
    Mar 04, 2019

    Hi Stephan

     

    In the meantime, and without interfering with NETGEAR Tech-Support teams, please see how you can reconfigure the M4300 back to default for IGMP Multicast on VLAN 1 without factory defaulting the switch.

     

    The below is with the GUI if you need CLI commands just let me know.

    Log into the M4300 GUI, and click blue button APPLY before leaving each page below:

     

    - Go to Switching\Multicast\IGMP Snooping\Configuration: have all three IGMP Snooping Configuration Admin Mode, Validate IGMP Header and Proxy Querier mode ENABLE

    Go to Switching\Multicast\IGMP Snooping\Interface Configuration: all interfaces should show DISABLE in Admin Mode

    Go to Switching\Multicast\IGMP Snooping\IGMP VLAN Configuration: we should show VLAN 1 (if not, we should add VLAN 1) and Admin Mode should show ENABLE, Fast Leave should show ENABLE, Membership interval 260, Maximum Response Time 10, Multicast Router Expiry Time 0, Report Suppression DISABLE and Proxy Querier ENABLE

    -  Go to Switching\Multicast\IGMP Snooping\Multicast Router Configuration: all interfaces should show DISABLE in Admin Mode

    Go to Switching\Multicast\IGMP Snooping\Multicast Router VLAN Configuration: it should be empty

    Go to Switching\Multicast\IGMP Snooping\Querier Configuration: Querier Admin Mode should show ENABLE, Snooping Querier Address should show 0.0.0.0 (used for querier election priority), IGMP Version 2, Query Interval(secs) 125 and Querier Expiry Interval(sec) 255

    -   Go to Switching\Multicast\IGMP Snooping\Querier VLAN Configuration: we should show VLAN 1 (if not, we should add VLAN 1) and Querier Election Participate Mode should show ENABLE, Querier VLAN Address should show 0.0.0.0 (used for querier election priority)

    Go back to Switching\Multicast\IGMP Snooping\Querier Configuration: now we should show VLAN 1 at the bottom of the page, under VLAN IDs Enabled for IGMP Snooping Querier

    - Go to Maintenance\Save Config, or click the little "floppy disk" icon at the top of the page

     

    With that, your M4300 should be back to default for its default IGMP Configuration on VLAN 1.

    Regards

11 Replies

    • LaurentMa's avatar
      LaurentMa
      NETGEAR Expert
      Hi, extremely sorry for your issue. We shall fix it asap.

      Can you make sure the Bonjour feature is set to Enabled in 12.0.7.12?

      Using the M4300 GUI:
      1. Navigate to System > Management > Bonjour > Bonjour Configuration.
      2. Set Admin Mode to Enable.
      3. Click the blue Apply button.

      Using the M4300 CLI:
      enable
      configure
      bonjour run
      exit
      save

      Please let us know, with 12.0.7.12 the Bonjour feature must be enabled to let mDNS packets go through.

      Regards,
      • infra-stephan's avatar
        infra-stephan
        Aspirant

        Hi Laurent,

         

        thanks for your feedback. Unfortunately it does not help, Bonjour/mDNS is still not working in the setup described above.

         

        Best, Stephan

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