System security

For general information about system security support, see the topics listed below in the "Security" chapter of the 7450 ESS, 7750 SR, 7950 XRS, and VSR System Management Guide.

• Authentication

  • Local authentication

  • RADIUS authentication

  • TACACS+ authentication

• Authorization

  • Local authorization

  • RADIUS authorization

  • TACACS+ authorization

• Security controls

• RADIUS vendor-specific attributes

• Other security features

  • Secure Shell (SSH)

    • SSH PKI authentication

    • MAC client and server list

    • KEX client and server list

    • Regenerate the SSH key without disabling SSH

  • TTL security for BGP and LDP

  • Exponential login backoff

  • User lockout

  • CLI login scripts

  • 802.1x network access control

  • TCP enhanced authentication option

• Configuration notes

• Configuring security with CLI

For descriptions of security commands, see the 7450 ESS, 7750 SR, 7950 XRS, and VSR Classic CLI Command Reference Guide and the 7450 ESS, 7750 SR, 7950 XRS, and VSR Clear, Monitor, Show, and Tools Command Reference Guide.