Index W

V

variable-length subnet masks (VLSMs), 523

VBR (Variable Bit Rate) class, 522

VCCs (Virtual Channel Connections), 522

verbose packets command, 257

verifying

BackboneFast, 193

connectivity, 69-70

MLS-RP configuration, 256-257

MLS switch engine configuration, 261-262

trunk links, 106-107

VTP

configuration, 115-117

domains, 253-254

Versatile Interface Processor (VIP), 522

version, IGMP, 329

version option, 320

VIDs (VLAN IDs)

in TCI, 102

in VTP advertisements, 111

VIP (Versatile Interface Processor), 522

VIPs (Virtual IPs), 522

virtual bridged LANs, 102

Virtual Channel Connections (VCCs), 522

virtual circuits, 522

virtual LANs. See VLANs (virtual LANs)

virtual network addresses, 14

virtual private networks (VPNs), 523

virtual rings, 522

Virtual Router Redundancy Protocol (VRRP), 382, 523

vlan 1 command, 459-460

vlan cost command, 460

vlan database command, 113, 459

VLAN database configuration mode, 95

VLAN databases, 523

VLAN IDs (VIDs)

in TCI, 102

in VTP advertisements, 111

vlan_list parameter, 168

VLAN Membership Policy Server (VMPS) service, 94

vlan port-priority command, 460

vlan portfast command, 460

VLAN trunk protocol. See VTP (VLAN trunk protocol)

VLANs (virtual LANs), 88-89, 89

auxiliary, 119-120

for broadcasts, 6, 89-90

in campus networks, 8, 8

collapsed backbones for, 91, 91-92

configuring, 216-218, 233-234

defined, 523

exam essentials for, 121

flexibility and scalability in, 90

hands-on lab for, 128-130, 128

identifying, 99-100

frame tagging for, 100

methods, 100-102

key terms for, 122

MAC addresses for, 218

in MLS-RP configuration, 254-255

in MLSP discovery, 246-247

review questions for, 124-127, 132-133

routing between. See inter-VLAN routing

security in, 90

standards for, 162-163

Common Spanning Tree, 164

Multiple Spanning Tree, 165

Per-VLAN Spanning Tree, 163-164

Per-VLAN Spanning Tree+, 164-165

static, 94-99

summary, 120-121

switch block scaling, 92

static VLAN configuration for, 94-99

VLAN boundaries in, 93

VLAN memberships in, 94

trunking in, 102-103

trunk link verification, 106-107

trunk port configuration, 103-105

VLANs trunk link clearing, 105-106

tunneling for, 120

written lab for, 123, 131

VLSMs (variable-length subnet masks), 523

VMPS (VLAN Membership Policy Server) service, 94

Voice over Ethernet, 352-353, 353-354

VPNs (virtual private networks), 523

VRRP (Virtual Router Redundancy Protocol), 382, 523

VTP (VLAN trunk protocol), 107-108

advertisements in, 110-112, 110-111

configuring, 112-117, 254

defined, 523

domains in, 107

assigning, 253-254

configuring, 114, 117, 118

passwords for, 114

exam essentials for, 121

hands-on lab for, 131-133, 131

key terms for, 122

modes of operation, 108-109, 109, 114-115

pruning in, 117-119, 118, 523

trunking in, 102-103

link clearing, 105-106

link verification, 106-107

port configuration, 103-105

version of, 111-114

vtp command, 114, 459

vtp domain command, 114-115, 459

VTP field, 111

vtp pruning command, 119