Wendell odom

self-healing coverage, 642
sender MAC addresses, 661
SEQ (Sequence Numbers), 21
sequence counters (TKIP), 661
sequence numbers (SEQ), 21
serial lines. 
See 
leased-line WAN
Serial WAN (Wide Area Networks), 
350
servers
AAA servers, 136
AS, 658
external authentication servers, 135-136
RADIUS, 676, 682
Telnet servers, 91
service ports, 672-674
service set identifiers. 
See 
SSID
session timeouts (WLAN), 684
SFP (Small Form Pluggable), 42, 48
SFP+ (Small Form Pluggable Plus), 42, 
48
shared-key security, 657
shared media (Ethernet), 56
shared passwords, 130
shared ports, 234
shorter VLAN configuration example, 
189
Shortest Path First algorithm. 
See 
SPF 
algorithm
9780135792735_book.indb 785
9780135792735_book.indb 785
7/25/19 2:45 PM
7/25/19 2:45 PM

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786 show arp command
show arp command, 391
show command, 95, 166, 361, 480, 508
show crypto key mypubkey rsa 
command, 149
show dhcp lease command, 143-144, 
149
show etherchannel 1 summary 
command, 250
show etherchannel command, 248, 
259, 416
show etherchannel summary command, 
413
show history command, 145, 149
show interfaces command, 119-120, 
156, 162-164, 167-170, 357-358, 
361, 364, 376, 408, 416, 515-517, 
583
show interfaces description command, 
162, 170