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] A-TDMA (agile time division multiple access) access servers activating layer 2 in ISDN routers 2nd ISDN data link layer:activation procedure active periods (snapshot routing) adaptive shaping 2nd ADCs ( analog-to-digital converters) Address field Frame Relay frames 2nd 3rd Address field (PPP frames) addressing Frame Relay ARP Inverse ARP RARP adjustable CIRs administratively down interfaces Frame Relay new installs troubleshooting 2nd ADSL 2nd PPoE discovery stage negotiations 2nd 3rd session stage advanced Frame Relay configurations bridging 2nd 3rd compression 2nd payload compression 2nd Van Jacobson header compression 2nd 3rd frame switching 2nd generic traffic shaping 2nd 3rd IP multicast 2nd IP unnumbered 2nd ISDN backup 2nd 3rd traffic shaping 2nd ELMI 2nd map classes 2nd AES (Advanced Encryption Standard) aggregate CIR 2nd AH (Authentication Header) format 2nd ICV calculation alarms states of T1 circuits 2nd alternate mark inversion AMI ones density AMI (alternate mark inversion) 2nd amplitude 2nd amplitude-shift keying analog dialup services 2nd 3rd limitations of 2nd VPNs 2nd analog modems signal loss analog pads echo removal 2nd analog-to-digital converters Annex A LMI type Annex D LMI 2nd 3rd 4th Annex D LMI type ANSI (American National Standards Institute) standards Frame Relay 2nd ANSI T1.617 Annex D LMI 2nd 3rd 4th application layer (OSI model) applications accessing remotely applying timestamps 2nd approaches to troubleshooting models 2nd AR (access rate) Frame Relay architecture ISDN C-plane Layer 1 2nd 3rd 4th 5th 6th 7th 8th Layer 2 2nd 3rd 4th 5th 6th 7th 8th 9th Layer 3 2nd 3rd 4th 5th ARP (Address Resolution Protocol) AS5200 routers commands 2nd AS5300 routers commands 2nd 3rd 4th 5th 6th 7th AS5400 routers commands AS5x00 routers 2nd 3rd 4th ASK (amplitude-shift keying) ASPs 2nd ASPs (Application Service Providers) asymmetrical CIR 2nd authentication OTPs 2nd PAP PPP troubleshooting 2nd remote access VPN users servers 2nd timeouts (dialup) 2nd 3rd 4th VPNs client authentication DH algorithm 2nd 3rd 4th HMAC 2nd key management 2nd 3rd RADIUS 2nd 3rd user /identity authentication 2nd authentication (PPP) troubleshooting 2nd 3rd Authentication phase (PPP) authentication phase of PPP 2nd authenticator GINAs Auto-RP availability of remote access services 2nd available phone services for ISDN 2nd |