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812
show ip route command, 273, 275, 277, 280­281,
321, 374, 378, 380, 382, 384, 390, 392, 396­403,
417, 419, 654, 657, 671, 673, 691, 696
show ipx access-list command, 478, 497
show ipx interface brief command, 652, 664, 668,
690, 693
show ipx interface command, 304, 307­308, 322,
478, 497
show ipx route command, 304, 322, 406, 408, 417,
652, 657, 668, 673, 690, 693, 696
show ipx servers command, 304, 314, 322, 407­408,
417, 653, 657, 669, 671, 673, 685, 690­691, 693
show ipx traffic command, 304, 322
show isdn active command, 588
show isdn command, 580, 596
show isdn status command, 589
show mac-address-table command, 178, 183­184
show process command, 523, 528, 596
show running-config command, 40, 61, 178, 180,
274, 276­277, 279, 653, 670
show spantree command, 188, 193
show startup-config command, 40
show trunk command, 188, 191, 193
show version command, 178, 186­187
show vlan command, 188, 190
show vlan-membership command, 188, 193
show vtp command, 188, 199
signaling (ISDN), 580
Simple Network Management Protocol, See SNMP
SNA, 110
SNA-IP certification (CCIE), 8
SNAP (Subnetwork Access Protocol), 99
SNAP IPX Ethernet encapsulation type, 301, 319
SNAP IPX FDDI encapsulation type, 302
SNAP IPX Token Ring encapsulation type, 302
SNMP (Simple Network Management Protocol)
sockets (connections), 218­220
Source Quench ICMP message, 227
Spanning Tree
blocking state, 161, 204
building initially, 162­165
CBPDUs, 162
configuration status, displaying for switches,
193­194
designated bridge, 161, 164
election process, 656
features of, 171
forwarding state, 161, 204, 656
functions of, 171
learning state, 656
listening state, 656
nonroot ports
blocking, 164
forwarding on, 164
port states, 165, 170
recalculating, 166­170
root bridge, 161­162, 170
root port, 164, 656
Spanning-Tree Protocol, 145
algorithm functionality, 160­161
benefits of, 160
purpose of, 158
resource information, 158
timers
Forward Delay, 165, 170
Hello time, 165
MaxAge, 165, 167
topology changes
bridge reactions if CBPDUS are not
received on any ports, 166
bridge reactions if CBPDUS are received
on some ports, 166­170
effects on bridge interfaces, 169
effects on root bridges, 170
notification, 165­166
timing out MAC address table entries, 170
verifying bridge MAC addresses
prior to, 169
VLAN information, displaying, 188
SPF (shortest path first) algorithm, 360
SPIDs (service profile identifiers), 570
defining, 579
subaddresses, 573
split horizon, 367­373, 378­382, 418, 422,
542­543, 675
split horizon with poison reverse, 418, 422
SPX, error recovery, 91, 114
SR/TLB (source-route translational bridging), 145
SRB (source-route bridging), 145
SRT (source-route transparent bridging), 145
STAC (compression software), 525, 550
standard IP access lists, 460, 462­465, 476
configuration, 646­647
controlling vty port access, 475­476
show ip route command
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