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Solved
GS724T no gui and presumably high cpu usage
I have at GS724Tv3 that sits in my DMZ. i.e. connects the firewall to the DMZ machines and the firewall for the inner network. My issues are: (1) it rarely responds to ping requests (maybe 1 ou...
I solved this one.
The two firewalls attached to the switch were multicasting state and config data back and forth. The switch had IGMP snooping enabled from a previous configuration (no longer used). Oddly, the configured snooping VLAN was not where the multicast traffic was happening.
When I turned off the multicast sync between the firewalls the GS724T GUI was responsive again. I then turned off IGMP snooping. (Probably would have gone a LOT quicker if I had known snooping was a CPU vs. switching HW function.)
I know this is an old thread, but it pointed me towards the solution in my case. I’ve had the exact same issue with this switch model in front of an ESXi host.
What caused the problem in my case was a specific portgroup. Precisely, having a portgroup on the ESXi host with the special VLAN 4095 (reserved for the purpose of tagging all VLAN -e.i making it TRUNK) connected to the GS724Tv3 was the root of the encountered problems.
What caused the problem in my case was a specific portgroup. Precisely, having a portgroup on the ESXi host with the special VLAN 4095 (reserved for the purpose of tagging all VLAN -e.i making it TRUNK) connected to the GS724Tv3 was the root of the encountered problems.
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