CCNP: Building Cisco Multilayer Switched Networks Study Guide (642-811)
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