background image
789
autosense (Frame Relay LMI), 532
auxiliary ports (routers), 26
B
backward explicit congestion notification (BECN),
531, 600
balanced hybrid routing protocols, 361­362
bandwidth command, 551, 594
Basic Rate Interface,
See
BRI
BCMSN (Building Cisco Multilayer Switched
Networks), 6
BCRAN (Building Cisco Remote Access Networks),
6
BECN (backward explicit congestion notification),
531, 600
BGP (Border Gateway Protocol), 360
BIAs (burned-in addresses), 138
binary values, converting to decimal and
hexadecimal values, 777­785
blocking state (Spanning Tree), 158, 170, 204­205
boot field (router configuration register), 51
boot system command, 50
boot system flash command, 51, 55
boot system ROM command, 51, 55
boot system tftp command, 51, 55
booting routers and bypassing NVRAM
configuration files, 52
Border Gateway Protocol (BGP), 360
BRI (Basic Rate Interface), ISDN, 567
configuration, 578­590
DDR parameters, displaying, 580
features, 567
information, displaying, 580
bridges
cost values for root bridge election in Spanning
Tree, 163
IDs, 162
versus routers and switches, 157­158, 203­204
bridging, 145­147
broadcast addresses, 97, 235, 315
calculating from IP addresseses and network
masks, 254­258
MAC addresses, 138
broadcast command, 585
broadcast domains, 150, 152
See also
VLANs
broadcast firewalls, 156
broadcast subnet, 261
broadcasts (Frame Relay handling), 542
BSCN (Building Scalable Cisco Networks), 6
buffering, 92
Building Cisco Multilayer Switched Networks
(BCMSN), 6
Building Cisco Remote Access Networks (BCRAN), 6
Building Scalable Cisco Networks (BSCN), 6
burned-in addresses, (BIAs), 138
burst rate (Frame Relay), 531, 599
C
cable ranges (AppleTalk), 107
cabling (WANs)
connectors, 529
standards, 528­529
Can't Fragment code (Destination Unreachable
ICMP message), 230, 317
carrier sense multiple access collision detect,
See
CSMA/CD
CBPDUs (Configuration Bridge Protocol Data
Units), 158, 162
CCDA (Cisco Certified Design Associate)
certification, 4­7
course associations, 6­7
exam requirements, 6­7
WAN certification, 7­8
CCDP (Cisco Certified Design Professional)
certification, 4­7
course associations, 6­7
exam requirements, 6­7
prerequisite certifications, 5
specialization certifications, 8
WAN certification, 7­8
CCIE (Cisco Certified Internetworking Expert)
certification, 4­7
exam, 4
ISP Dial certification, 7
prerequisite certification, 5
SNA-IP certification, 8
WAN certification, 7­8
CCIE (Cisco Certified Internetworking Expert)
fmix.fm.4D3 Page 789 Monday, March 20, 2000 5:26 PM