1055
V
values, COMMUNITY values, 475, 479
Variable Length Subnet Masking
(VLSM), 104
subnet allocation, 105-106
VC (virtual circuit), 610
violating packets, 571
virtual circuits, queuing, 520
virtual LANs. See VLANs
virtual links, configuring OSPF, 299-301
Virtual Private Networks (VPNs),
811, 813
Virtual Router Redundancy Protocol
(VRRP), 141-143
VLAN configuration, CiscoWorks
WLSE, 835
VLAN DAT, 32, 43-44
VLAN database configuration mode,
32-34
VLAN interfaces, MLS logic, 186
VLAN MPLS (VMPLS), 51
VLAN trunking, 44
802.1Q, 44-45
802.1Q configuration, 45-46
allowed and active VLANs, 48
allowed VLANs, 48
configuring on routers, 49-51
ISL, 44-45
configuration, 45-46
trunk configuration compatibility,
48-49
VLAN Trunking Protocol. See VTP
VLANs (virtual LANs), 31, 53
active and not pruned, 48
and IP, 31
community VLANs, 37
configuration mode, creating VLANs,
35-36
configuring, 31
VLAN database configuration
mode,
32-34
defining, 53, 197
extended-range VLANs, 42
information, displaying, 53, 197, 779
interfaces, assigning, 35
isolated VLANs, 37
layer 2 switches, 31
naming, 53, 197
native VLANs, trunks, 766
normal-range VLANs, 42
primary VLANs, 37
private VLANs, 36-38, 767-768
secondary VLANs, 37
storing configurations, 43-44
trunks, configuration, 53, 779
using configuration mode to put
interfaces into VLANs, 34-35
VLSM (Variable Length Subnet
Masking), 104
subnet allocation, 105-106
VMPLS (VLAN MPLS), 51
voice, tuning shaping for voice with LLQ
and Tc, 561-564
voice services, wireless LANs, 839
VoWLAN (voice over wireless LAN), 839
VPNs (Virtual Private Networks), 811,
813
VRRP (Virtual Router Redundancy
Protocol), 141-143
VTP (VLAN Trunking Protocol), 38
configuring, 40-41
extended-range VLANs, 42
normal-range VLANs, 42
revision numbers, 39-40
vty, 751
vty
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