3Com 3C886 - OfficeConnect 56K LAN Modem Router - Protocols; Error Control and Data Compression; Modulation Schemes; Security

16 C
HAPTER
1: I
NTRODUCTION
Protocols
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IETF PPP (RFC 1661, 1662, 1663)
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IETF Password Authentication Protocol (PAP) and Challenge Handshake
Authentication Protocol (CHAP) security (RFC 1994)
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MS-CHAP support (as defined in
Network Working Group Information Memo:
Microsoft PPP CHAP Extensions. S. Cob, Rev. 1.3 March 1997
including only
the functionality that keeps with IETF 1994).
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IP address negotiation using IPCP (RFC 1332)
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Network Address Translation (NAT) between LAN and WAN (RFC 1631)
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Point-to-Point Tunneling Protocol (PPTP)
Error Control and Data Compression
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ITU-T V.42
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ITU-T V.42
bis
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MNP 2-5
Modulation Schemes
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V.90
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Backwards compatible with all US Robotics 56K Standards
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ITU-T V.34+
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ITU-T V.34
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ITU-T V.32bis
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ITU-T V.32
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ITU-T V.22bis
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ITU-T V.22
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ITU-T V.23
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Bell 212A
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ITU-T V.21
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Bell 103
Security
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PAP CHAP and MS-CHAP support
Upgradability
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Flash memory for field firmware updates
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Firmware posted on 3Com’s Web site
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Fully upgradable to future 56K standards
Diagnostics
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LED status display
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Statistics display