Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] T- carriers 2nd E1 T1 2nd T1 2nd T1 circuits bit errors checking 2nd controller status verifying 2nd 3rd errors 2nd linecode violations loopback features identifying pathcode violations physical layer alarms 2nd slip seconds T1 framing ESF signal format SF signal format 2nd T1 lines ones density T3 framing M23 signal format 2nd tandem office 2nd tandems 2nd TAs (terminal adapters) Tc (committed interval) 2nd TCP boomerangs TDM D channels TDM (time-division multiplexing) TDRs 2nd TDRs (time domain reflectometers) TE1 devices TE2 devices technology offering Frame Relay 2nd benefits of 2nd limitations of standards 2nd ISDN benefits of 2nd 3rd limitations of VPNs 2nd cable modem services 2nd 3rd 4th limitations of satellite services 2nd 3rd 4th wireless broadband services 2nd 3rd 4th 5th 6th 7th 8th xDSL services 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th technology offerings 2nd TEIs (terminal endpoint identifiers) telnet sessions logging to console terminal servers termination equipment remote access VPNs 2nd performance criteria 2nd 3rd selecting core devices 2nd 3rd 4th 5th termination sequence (PPP) 2nd testing D channel 2nd remote user 's router on Frame Relay multicast network 2nd testing network connectivity extended ping command Netcat utility 2nd 3rd ping command 2nd 3rd 4th 5th traceroute command 2nd text dial-in configuring 2nd 3rd text dial-in network design text dial-out configuring 2nd 3rd 4th 5th 6th 7th 8th network design throughput Frame Relay 2nd time domain reflectometers time-division multiplexing timeouts modem authentication 2nd 3rd 4th timeslots line code errors 2nd timestamps applying 2nd timing SCTE token bucket filters topologies Frame Relay topology discovering baseline behavior 2nd 3rd traceroute command 2nd tracing Frame Relay multicast networks 2nd 3rd 4th traffic bursty Frame Relay congestion control mechanisms 2nd 3rd 4th traffic shaping 2nd ELMI 2nd Frame Relay BECNs 2nd flapping routes, investigating high RTT numbers , investigating 2nd 3rd 4th slow performance, investigating 2nd 3rd 4th 5th 6th verifying settings generic 2nd 3rd map classes 2nd transit delay Frame Relay transmission rates Shannon's Capacity Theorem transport layer (OSI model) transport mode (IPSec) Transport mode (IPSec) implementing in remote access VPNs troubleshooting baseline behavior discovering network topology 2nd 3rd discovering performance characteristics 2nd 3rd 4th 5th layered approach soft skills troubleshooting methodologies ISDN BRI recommendations accessing remote user's router 2nd 3rd 4th preconfiguring routers on both ends 2nd viewing service layers 2nd 3rd troubleshooting models 2nd troubleshooting PPP troubleshooting tools classifying extended ping command Netcat utility 2nd 3rd ping command 2nd 3rd 4th replies SAA 2nd traceroute command 2nd tunnel mode (IPSec) Tunnel mode (IPSec) implementing in remote access VPNs tunneling DPD 2nd two-way Internet connections two-way multicast service Frame Relay type codes ICMP messages 2nd |