Dell PowerConnect 8100 User's Configuration Guide - Page 562
Promiscuous Ports, Isolated Ports, Community Ports
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Promiscuous Ports An endpoint connected to a promiscuous port is allowed to communicate with any endpoint within the private VLAN. Multiple promiscuous ports can be defined for a single private VLAN domain. In the configuration shown in Figure 22-3, the port connected from SW1 to R1 (TE1/1/1) is configured as a promiscuous port. It is possible to configure a port-channel as a promiscuous port in order to provide a level of redundancy on the private VLAN uplink. Isolated Ports An endpoint connected to an isolated port is allowed to communicate with endpoints connected to promiscuous ports only. Endpoints connected to adjacent isolated ports cannot communicate with each other. Community Ports An endpoint connected to a community port is allowed to communicate with the endpoints within a community and can also communicate with any configured promiscuous port. The endpoints that belong to one community cannot communicate with endpoints that belong to a different community, or with endpoints connected to isolated ports. Private VLAN Operation in the Switch Stack and Inter-switch Environment The Private VLAN feature is supported in a stacked switch environment. The stack links are transparent to the configured VLANs; thus, there is no need for special private VLAN configuration beyond what would be configured for a single switch. Any private VLAN port can reside on any stack member. To enable private VLAN operation across multiple switches that are not stacked, trunk ports must be configured between the switches to transport the private VLANs. The trunk ports must be configured with the promiscuous, isolated, and community VLANs. Trunk ports must also be configured on all devices separating the switches. In regular VLANs, ports in the same VLAN switch traffic at L2. However, for a private VLAN, the promiscuous port forwards received traffic to secondary ports in the VLAN (isolated and community). Community ports forward 562 Configuring VLANs
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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
-
1,252
-
1,253
-
1,254
-
1,255
-
1,256
-
1,257
-
1,258
-
1,259
-
1,260
-
1,261
-
1,262
-
1,263
-
1,264
-
1,265
-
1,266
-
1,267
-
1,268
-
1,269
-
1,270
-
1,271
-
1,272
-
1,273
-
1,274
-
1,275
-
1,276
-
1,277
-
1,278
-
1,279
-
1,280
-
1,281
-
1,282
-
1,283
-
1,284
-
1,285
-
1,286
-
1,287
-
1,288
-
1,289
-
1,290
-
1,291
-
1,292
-
1,293
-
1,294