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GS108T multicast routing
I have long used GS108Tv2 switches for development and testing of multicast video-over-ip applications. The desired behavior is that multicast traffic would be blocked unless IGMP messaging indicate...
I did swap between the v2 and v3 hardware with the misbehavior following the v3 switch. I had previously updated the SW to the latest due to the inability to log in without the cloud account. As an aside, the cloud account thing was a horrible idea to be enabled by default. Nobody needs more internet accounts, especially for managing a switch. Please send this comment up to management.
Also, I figured out how to make it work properly. The "Admin Mode" must be enabled on the "IGMP snooping VLAN Configuration" page. This is a rather obtuse location for this function. The behavior of selectively routing multicast based on IGMP messages has nothing to do with VLAN, strictly speaking. It makes more sense for the "IGMP Snooping Interface Configuration" page to enable a default behavior of selective routing regardless of VLAN configurations, and then have the "VLAN Configuration" page modify that default behavior if a different behavior is desired.
I did swap between the v2 and v3 hardware with the misbehavior following the v3 switch. I had previously updated the SW to the latest due to the inability to log in without the cloud account. As an aside, the cloud account thing was a horrible idea to be enabled by default. Nobody needs more internet accounts, especially for managing a switch. Please send this comment up to management.
Also, I figured out how to make it work properly. The "Admin Mode" must be enabled on the "IGMP snooping VLAN Configuration" page. This is a rather obtuse location for this function. The behavior of selectively routing multicast based on IGMP messages has nothing to do with VLAN, strictly speaking. It makes more sense for the "IGMP Snooping Interface Configuration" page to enable a default behavior of selective routing regardless of VLAN configurations, and then have the "VLAN Configuration" page modify that default behavior if a different behavior is desired.
I had previously updated the SW to the latest due to the inability to log in without the cloud account. As an aside, the cloud account thing was a horrible idea to be enabled by default. Nobody needs more internet accounts, especially for managing a switch. Please send this comment up to management.
By default, you should be able access the web-GUI of the GS108Tv3 switch locally. As reference, kindly read page 41 of the GS108Tv3 user manual here.
Also, I figured out how to make it work properly. The "Admin Mode" must be enabled on the "IGMP snooping VLAN Configuration" page. This is a rather obtuse location for this function. The behavior of selectively routing multicast based on IGMP messages has nothing to do with VLAN, strictly speaking. It makes more sense for the "IGMP Snooping Interface Configuration" page to enable a default behavior of selective routing regardless of VLAN configurations, and then have the "VLAN Configuration" page modify that default behavior if a different behavior is desired.
I'm glad that you were able to make it work. :) Thanks for sharing here the steps you to make it work for the benefit of other community members.
Regards,
DaneA
NETGEAR Community Team
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