switch ports, assigning to, 188
tagging methods
802.1Q, 175, 177, 205
ISL, 175177, 205
LANE, 177, 205
status, displaying, 188
verifying configuration, 191193
VLAN pruning, 196
VTP, 187
client mode, 195196
clients, configuring switches as, 199
configuration, 196199
configuration information, displaying, 199
configuration parameter defaults for 1900
domain passwords, 197
domains, 194
functionality of, 194
mechanics of, 194196
parameters, defining, 188
parameters, resetting to defaults, 188
pruning, 196
pruning eligibility, 198
server mode, 195196
servers, 194
servers, configuring switches as, 198
status, displaying, 188
transparent mode, 195196
transparent mode, enabling, 188
traps, 198
See also broadcast domains
VPNs (virtual private networks), 411412
VTP (VLAN Trunking Protocol), 187
client mode, 195196
clients, configuring switches as, 199
configuration, 196199
configuration parameters, defaults for 1900
passwords, 197
mechanics of, 194196
parameters
resetting to defaults, 188
pruning eligibility, 198
server mode, 195196
servers, 194
servers, configuring switches as, 198
status, displaying, 188
transparent mode, 188, 195196
traps, 198
vtp trunk pruning-disable command, 188
vty ports, controlling access with IP access lists,
4-wire circuits, 521, 597
access layer, 592593
asynchronous serial leased lines, 521, 597
cabling
standards, 528529
Core layer, 592593
distribution layer, 592593
DSU/CSU, 521, 597
Frame Relay, 529
network characteristics, 530
compression, 526528
LAPB protocol, 526528