HP 6125XLG R2306-HP 6125XLG Blade Switch Security Configuration Guide - Page 22
AAA for MPLS L3VPNs, Protocols and standards
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authorized commands. For more information about command accounting, see Fundamentals Configuration Guide. • User role authentication-Authenticates each user who wants to obtain a temporary user role without logging out or getting disconnected. For more information about temporary user role authorization, see Fundamentals Configuration Guide. AAA for MPLS L3VPNs In an MPLS L3VPN scenario where clients in different VPNs are centrally authenticated, you can deploy AAA across VPNs to enable forwarding of RADIUS and HWTACACS packets across MPLS VPNs. For example, in the network shown in Figure 9, you can deploy the AAA across VPNs feature, so that the multi-VPN-instance CE (MCE) at the left side of the MPLS backbone serves as a NAS and transparently delivers the AAA packets of private users in VPN 1 and VPN 2 to the AAA servers in VPN 3 for centralized authentication. Authentication packets of private users in different VPNs do not affect each other. Figure 9 Network diagram Protocols and standards The following protocols and standards are related to AAA, RADIUS, HWTACACS, and LDAP: • RFC 2865, Remote Authentication Dial In User Service (RADIUS) • RFC 2866, RADIUS Accounting • RFC 2867, RADIUS Accounting Modifications for Tunnel Protocol Support • RFC 2868, RADIUS Attributes for Tunnel Protocol Support • RFC 2869, RADIUS Extensions • RFC 1492, An Access Control Protocol, Sometimes Called TACACS • RFC 1777, Lightweight Directory Access Protocol • RFC 2251, Lightweight Directory Access Protocol (v3) 13
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