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Packet Tracer is commonly used by NetAcad students, since it is available to download after creating a free account. [10] However, due to functional limitations, it is intended by Cisco to be used only as a learning aid, not a replacement for Cisco routers and switches . [ 9 ]
Returned merchandise requires management by the manufacturer after the return. The product has a second life cycle after the return. An important aspect of RMA management is learning from RMA trends to prevent further returns. Depending on what the rules are, the manufacturer may send the customer an advance replacement.
6 TCP Transmission Control Protocol: RFC 793: 0x07 7 CBT Core-based trees: RFC 2189: 0x08 8 EGP Exterior Gateway Protocol: RFC 888: 0x09 9 IGP Interior gateway protocol (any private interior gateway, for example Cisco's IGRP) 0x0A 10 BBN-RCC-MON BBN RCC Monitoring 0x0B 11 NVP-II Network Voice Protocol: RFC 741: 0x0C 12 PUP Xerox PUP: 0x0D 13 ...
In some related but distinct contexts, the term AAA has been used to refer to protocol-specific information. For example, Diameter uses the URI scheme AAA, which also stands for "Authentication, Authorization and Accounting", as well as the Diameter-based Protocol AAAS, which stands for "Authentication, Authorization and Accounting with Secure Transport". [4]
TACACS+ is a Cisco designed extension to TACACS that is described in RFC 8907. TACACS+ includes a mechanism that can be used to obfuscate the body of each packet, while leaving the header clear-text. Moreover, it provides granular control in the form of command-by-command authorization. [6]
ITU-T G.711 PCM A-Law audio 64 kbit/s RFC 3551 9 G722 audio 1 8000 [note 2] any 20 ITU-T G.722 audio 64 kbit/s RFC 3551 10 L16 audio 2 44100 any 20 Linear PCM 16-bit Stereo audio 1411.2 kbit/s, [3] [4]: 62 [5]: 18 uncompressed RFC 3551, Page 27: 11 L16 audio 1 44100 any 20 Linear PCM 16-bit audio 705.6 kbit/s, uncompressed RFC 3551, Page 27: 12
By far the most popular FCS algorithm is a cyclic redundancy check (CRC), used in Ethernet and other IEEE 802 protocols with 32 bits, in X.25 with 16 or 32 bits, in HDLC with 16 or 32 bits, in Frame Relay with 16 bits, [3] in Point-to-Point Protocol (PPP) with 16 or 32 bits, and in other data link layer protocols.
3.2 – first generally available version for the 12000 router series 3.9 – first generally available version for the ASR 9000 router series 5.0 – first generally available version for the NCS6000 series, which is based upon a Linux kernel instead of QNX, and was released in September 2013 [ 5 ]