Netgear XSM4324FS Software Administration Manual Software Version 12.x - Page 71
Access mode, Trunk mode, General mode, Ports are intended for connections between switches
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M4300 Series and M4300-96X Fully Managed Switches The switch supports the following switch port modes, each with its own VLAN membership rules: • Access mode. In access mode, the following rules apply to switch ports: - Ports belong to a single VLAN, for which the VID is the configured PVID. - Ports are intended for end-point connections, which, in general, do not operate with LANs and operate with tagged traffic. - Ports accept both tagged and untagged traffic. (You cannot configurable whether the ports accepts tagged or untagged traffic.) - All egress traffic must be sent untagged. - Ingress filtering is always enabled. - Ports are intended for connecting end stations to the switch, especially when end stations are incapable of generating VLAN tags. • Trunk mode. In trunk mode, the following rules apply to switch ports: - Ports can belong to as many VLANs as needed. - Ports accept both incoming tagged and untagged traffic. - All incoming untagged frames are tagged with the native VLAN as the VID. - Egress frames are sent tagged for all VLANs other than the native VLAN. Frames that belong to the native VLAN are sent without a VLAN tag. - Ingress filtering is always enabled. If incoming frames are tagged correctly (that is, tagged with a VID of one of the VLANs to which the port belongs), they are admitted. - Ports are intended for connections between switches, for which the traffic is generally tagged. - If you configure a list with allowed VLANs, a trunk port becomes a member of VLANs that are defined in the list with allowed VLANs. • General mode. In general mode, the following rules apply to switch ports: - By default, all ports are designated as general mode ports and belong to the default VLAN. - Ports conform to NETGEAR legacy switch behavior for switch ports. - You configure various VLAN parameters such as membership, tagging, and PVID by using legacy commands. - You can enable or disable ingress filtering. VLANs 71 Software Administration Manual
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