Index_T

T

-t flag in ssh-keygen, 13

T1 peering, 500–504

T2 peering, 498–500

T3 C-bit parity, 90

T391 poll timer, 78

T392 poll expectation timer, 78, 141

TACACS+ (Terminal Access Controller Access Control System Plus) authentication, 651

tagging

community, 517–520

VLAN, 101, 103–105

TCP (Transmission Control Protocol), 651

TCP port 179, 651

tcpdump utility

defined, 651

for Frame Relay, 74

teardown option, 556

telnet service and terminal servers, 2–3

clearing, 6–8

console connections for, 3–5, 4

for OoB management network configuration, 8

for router access, 3, 5

switching among, 6

Terminal Access Controller Access Control

System Plus (TACACS+)

authentication, 651

terminating actions, 651

terms, 651

text editors, 37

3GPP (Third-Generation Partnership Project), 620

through match type, 512, 651

time synchronization in NTP

configuring, 24–25, 50–51

defined, 640

verifying, 25–28

time zone settings, 27–28

timeout parameter, 14

Timeout timers, 651

timers and knobs

in EBGP, 541

AS loops, 542–543

incoming traffic flow, 543–547

local preferences, 547–548

in IBGP, 421–422, 421

load balancing, 422–426

local preferences and communities, 429–435

passive mode configuration, 427–429

timer modifications, 426–427

in IS-IS, 262

timid damping, 505

TLVs (Type Length Values), 276

TNSSAs (Totally Not-So-Stubby Areas), 188

token-bucket algorithm, 651

ToS (type of service) method, 652

Totally Stubby Areas (TSAs)

defined, 651

in OSPF, 179–180, 186–188

traceroute command

in EBGP

forwarding path confirmation, 540–541

local preferences, 548

route filtering, 535

in IBGP

confederations, 416, 419

peering, 381–382

route reflection, 397, 400–401

in IS-IS

configuration, 275

route redistribution, 304–305, 309–310, 312–313

in OSPF

NSSAs, 194

RIP, 208–209, 213, 220–221

TSAs, 187–188

for unnumbered interfaces, 126

for virtual links, 201

tracing

IS-IS authentication, 285

in OSPF

adjacency problems, 164–165

authentication, 177–178

tracking in VRRP, 107–111

traffic engineering, 651

traffic shaping, 89, 98–100

transient interfaces, 651

transit areas, 651

transit-delay setting, 225

transit routers, 651

transit sites

in community tagging, 517–518

in route filtering, 538–540

Transmission Control Protocol (TCP), 651

transport mode, 652

trap group operation, 24

triggered updates, 652

Triple-DES encryption algorithm, 652

troubleshooting

EBGP peering, 489–493

IBGP, 435–439

IS-IS

authentication, 283–286

route redistribution, 301–305

OSPF network types, 172-173

TSAs (Totally Stubby Areas), 179–180, 186–188

Tspec Object, 652

tunnel mode, 652

Tunnel PICs, 652

tunnels, 652

2-Way adjacency state, 620

Type Length Values (TLVs), 276

type of service (ToS) method, 652