Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 1137
Configuring Native VLANs, Creating a Port-Based VLAN
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Configuring Native VLANs Traditionally, ports can be either untagged for membership to one VLAN or tagged for membership to multiple VLANs. You must connect an untagged port to a VLAN-unaware station (one that does not understand VLAN tags), and you must connect a tagged port to a VLAN-aware station (one that generates and understands VLAN tags). Native VLAN support breaks this barrier so that you can connect a port to both VLAN-aware and VLANunaware stations. Such ports are referred to as hybrid ports. Physical and port-channel interfaces may be hybrid ports. Native VLAN is useful in deployments where a Layer 2 port can receive both tagged and untagged traffic on the same physical port. The classic example is connecting a voice-over-IP (VOIP) phone and a PC to the same port of the switch. The VOIP phone is configured to generate tagged packets (with VLAN = VOICE VLAN) and the attached PC generates untagged packets. NOTE: When a hybrid port is untagged in a VLAN but it receives tagged traffic, all traffic is accepted. NOTE: You cannot configure an existing switchport or port channel interface for Native VLAN. Interfaces must have no other Layer 2 or Layer 3 configurations when using the portmode hybrid command or a message similar to this displays: % Error: Port is in Layer-2 mode Te 5/6. To configure a port so that it can be a member of an untagged and tagged VLANs, use the following commands. 1 Remove any Layer 2 or Layer 3 configurations from the interface. INTERFACE mode 2 Configure the interface for Hybrid mode. INTERFACE mode portmode hybrid 3 Configure the interface for Switchport mode. INTERFACE mode switchport 4 Add the interface to a tagged or untagged VLAN. VLAN INTERFACE mode [tagged | untagged] Creating a Port-Based VLAN To configure a port-based VLAN, create the VLAN and then add physical interfaces or port channel (LAG) interfaces to the VLAN. NOTE: The Default VLAN (VLAN 1) is part of the system startup configuration and does not require configuration. Virtual LANs (VLANs) 1137
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1,190
-
1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234
-
1,235
-
1,236
-
1,237
-
1,238
-
1,239
-
1,240
-
1,241
-
1,242
-
1,243
-
1,244
-
1,245
-
1,246
-
1,247
-
1,248
-
1,249
-
1,250
-
1,251