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Forum Discussion
Management VLAN doesn't seem to do anything
I have set up a M5300 switch with four VLANs. 1, 16, 32, and 72 using VLAN 72 as the Management VLAN. VLAN 72 is assigned to port 48. Ports 1-47 are assigned to VLANs 1,16 and 32. The issue I am ...
Hi xes
Welcome to the community.
If you have enable routing in your M5300 Managed switch with IP interfaces on your VLANs, then your Layer 2 boundaries are gone due to inter-VLAN routing. ACLs should be used to protect Management VLAN in that case. ACLs can be binded to VLANs directly for quick implementation for inbound or outbound depending on your requirements.
Without routing enabled, then in pure Layer 2 configuration, you are right Management VLAN should be isolated from other VLANs. Now, if VLAN 72 still present as PVID on ports 1-47 it would be normal everyone can access CPU.
Please let us know your configuration better, and maybe copy and paste your VLAN configuration and port membership from on your running config file here. It will certainly help other members as well.
Regards,
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