Index

U

UDLD 296

UniDirectional Link Detection, see UDLD untrusted ports

ARP inspection 265 DHCP snooping 262 PPPoE IA 303

user profiles 246

V

Vendor Specific Attribute See VSA ventilation holes 34

VID 114, 119, 123, 124, 223 number of possible VIDs 119 priority frame 119

VID (VLAN Identifier) 119 virtual links 341

virtual links, and OSPF 331

Virtual Router status 371

Virtual Router (VR) 369

Virtual Router Redundancy Protocol (VRRP) 369 VLAN 110, 119, 460

acceptable frame type 127 automatic registration 120 ID 119

ingress filtering 127 introduction 110 number of VLANs 123 port number 124 port settings 126 port-based VLAN 134

port-based, all connected 137 port-based, isolation 137 port-based, wizard 137 static VLAN 124

status 123, 124 tagged 119 trunking 121, 127 type 111, 122

VLAN (Virtual Local Area Network) 110 VLAN mapping 289

activating 290

configuration 291 example 289 priority level 289 tagged 289 traffic flow 289 untagged 289 VLAN ID 289

VLAN number 114 VLAN stacking 221, 223

configuration 224 example 221 frame format 223 port roles 222, 225 port-based Q-in-Q 225 priority 223 selective Q-in-Q 226

VLAN Trunking Protocol, see VTP

VLAN, protocol based, See protocol based VLAN VLAN, subnet based, See subnet based VLANs

128

VRID (Virtual Router ID) 370 VRRP 369

advertisement interval 373 authentication 372 backup router 369 configuration example 375 Hello message 373

how it works 369 interface setup 371 master router 369 network example 369, 376 parameters 373 preempt mode 373, 374 priority 373, 374

status 370

uplink gateway 374 uplink status 371 Virtual Router 369 Virtual Router ID 374 VRID 370

VSA 254

VTP 296

W

warranty 471 note 471

484

 

XGS4700-48F User’s Guide