Nortel 450-24t Guida Utente
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Using the BayStack 450 10/100/1000 Series Switch
D-14
309978-D Rev 01
LECs and VLAN Membership
The following configuration rules apply:
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You cannot assign a LEC as a tagged VLAN member.
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The PVID value for a LEC is read-only and must always equal its VLAN ID.
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LEC VLAN members do not support priority.
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A LEC can only be a member of one VLAN.
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A VLAN can only have one LEC member.
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LECs can be configured as members of port-based VLANs only; LECs cannot
be configured as members of protocol-based VLANs.
be configured as members of protocol-based VLANs.
Console Differences
Many of the features that are available to your BayStack 450 switch
Ethernet-based ports cannot be supported by ATM. In those cases the VPorts that
represent the ATM LECs will either be hidden or displayed as read-only fields.
Ethernet-based ports cannot be supported by ATM. In those cases the VPorts that
represent the ATM LECs will either be hidden or displayed as read-only fields.
The following BayStack 450 switch features are not supported by the BayStack
450-2M3/2S3 MDA:
450-2M3/2S3 MDA:
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MultiLink Trunking
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Port Mirroring
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Filtering of untagged/tagged frames
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VLAN Traffic Class Priority
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Change of PVID
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Protocol-based VLANs
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VLAN tagging
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Rate Limiting