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Cisco Bug: CSCtd80992 - 6500 - VPN clients unable to authenticate to TACACS server

Last Modified

Sep 21, 2015

Products (17)

  • Cisco IOS
  • Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks
  • Cisco Products
  • Cisco Catalyst 6500 Supervisor Engine 32 PISA
  • Cisco Catalyst 6500 Series Supervisor Engine 2
  • Cisco 10720 Router
  • Cisco 7600 Series Supervisor Engine 2 with Multilayer Switch Feature Card
  • Cisco Catalyst 6000 Series Multilayer Switch Feature Card 3 (MSFC3)
  • Cisco Catalyst 6513 Switch
  • Cisco Catalyst 6000 Multilayer Switch Feature Card MSFC2
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Known Affected Releases

12.2(18)SXF16 12.2(18)SXF17

Description (partial)

6500 switch with VPN module does not send XAUTH requests to TACACS server. Test commands confirm that TACACS server is operational. 

Clients can authenticate to the same server using RADIUS.

VPN clients connecting to 6500 switch with authentication set to use a TACACS server.
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