Preface 5Nortel VPN Router Security — Servers, Authentication, and CertificatesAcronymsThis guide uses the following acronyms:separator ( > ) Shows menu paths.Example: Choose Status > Health Check.vertical line ( | ) Separates choices for command keywords andarguments. Enter only one of the choices. Do not typethe vertical line when entering the command.Example: If the command syntax isterminal paging {off | on}, you enter eitherterminal paging off or terminal paging on,but not both.AVPAIR Cisco's Vendor specific RADIUS Attribute Value PairCA Certification AuthorityCDP CRL distribution pointsCRL certificate revocation listFTP File Transfer ProtocolIP Internet ProtocolIKE IPsec Key ExchangeISAKMP Internet Security Association and Key ManagementProtocolISP Internet service providerL2TP Layer2 Tunneling ProtocolLDAP Lightweight Directory Access ProtocolLAN local area networkPDN public data networksPOP point-of-presencePPP Point-to-Point ProtocolPPTP Point-to-Point Tunneling Protocol
