Dell PowerConnect 8100 User's Configuration Guide - Page 63
Captive Portal, Dot1x Authentication (IEEE 802.1X), MAC-Based 802.1X Authentication
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• Dynamic ARP Inspection: By default, if Dynamic ARP Inspection packets are received on a port at a rate that exceeds 15 pps for 1 second, the port will be diagnostically disabled. The threshold is configurable up to 300 pps and the burst is configurable up to 15s long using the ip arp inspection limit command. A port that is diagnostically disabled due to exceeding one of the above limits may be returned to service using the no shut command. Captive Portal The Captive Portal feature blocks clients from accessing the network until user verification has been established. When a user attempts to connect to the network through the switch, the user is presented with a customized Web page that might contain username and password fields or the acceptable use policy. You can require users to be authenticated by a local or remote RADIUS database before access is granted. For information about configuring the Captive Portal features, see "Configuring Captive Portal" on page 413. Dot1x Authentication (IEEE 802.1X) Dot1x authentication enables the authentication of system users through a local internal server or an external server. Only authenticated and approved system users can transmit and receive data. Supplicants are authenticated using the Extensible Authentication Protocol (EAP). PEAP, EAP-TTL, EAPTTLS, and EAP-TLS are supported for remote authentication servers. Local (IAS) authentication supports EAP-MD5 only. For information about configuring IEEE 802.1X settings, see "Configuring Port and System Security" on page 469. MAC-Based 802.1X Authentication MAC-based authentication allows multiple supplicants connected to the same port to each authenticate individually. For example, a system attached to the port might be required to authenticate in order to gain access to the network, while a VoIP phone might not need to authenticate in order to send voice traffic through the port. For information about configuring MAC-based 802.1X authentication, see "Configuring Port and System Security" on page 469. Switch Features 63
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-
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
-
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