U

uBR (Universal Broadband Routers), 308 UDLD (Unidirectional Link Detection), Cisco

STP toolkit, 250 UDP (User Datagram Protocol), 18

headers, 20

port numbers, 836 segment fields, 19

UKNNP (United Kingdom National

Numbering Plans), PSTN numbering plans, 499

UMTS (Universal Mobile Telephone

Services), WAN, 310 unauthorized system access, 655-657 unencapsulated data (OSI model layers), 10 unicast data, 13

unicast IPv6 addresses, 408-411

unicast packets, 16

unicast routing protocols, 240

Unified Communications (Cisco), 59

updates (triggered), 435

UplinkFast (Cisco STP toolkit), 133, 250

usage, cost of, 294

UWN (Unified Wireless Networks)

branch office wireless networks, 638 campus wireless networks, 635 MAP, 633 Poletop MAP, 632 RAP, 632-633 self-healing, 613 architecture of, 581 elements of, 582 lightweight AP, 583-585 wireless authentication/encryption, 585-587 design considerations branch office wireless networks, 638-642

campus wireless networks, 635-638 guest services, 628-629 outdoor wireless networks, 631-635 lightweight AP, 597 Bridge mode, 602 Local mode, 601

LWAPP WLC discovery algorithm, 599 LWAPP WLC discovery process,

598-599 LWAPP WLC selection, 599-600 Monitor mode, 601 REAP mode, 601 Rogue Detector mode, 601 Sniffer mode, 601 WLC control messages, 600-601

load balancing (dynamic), 622 LWAPP, 588-589 mobility groups, 607-608 RF site surveys, 612, 615

defining customer requirements, 616 documenting findings, 621 identifying coverage areas, 617-618 identifying preliminary AP locations,

618-619 identifying user density, 617-618 performing, 619-620 process overview, 616 roaming, 602

intercontroller roaming, 604-606 intracontroller roaming, 603 recommended practices for, 609 RRM, 610-611 WLC

AP support scalability, 594-596 branch office wireless networks, 642 campus wireless networks, 635-638 control messages, 600-601 deterministic controller redundancy,

624-628 dynamic controller redundancy,

622-623 interfaces, 590-591 mobility groups, 607-608 outdoor wireless network design considerations, 632 platforms, 592-594 ports, 590 WLAN, 590

Was this article helpful?

0 0

Post a comment