Secure ACS redundancy

Answered Question
Nov 19th, 2007

Hi;

What happens if my only ACS goes down? ACS is active on my access switches.

Correct Answer by ardica about 9 years 3 months ago

What deployment scenario are we talking about here? For example, with 802.1X deployments there is a feature (called Inaccessible Authentication Bypass) that allows you to provide access to a specific VLAN in the scenario where connectivity to the ACS server is compromised. Is that something may help you?

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Jagdeep Gambhir Mon, 11/19/2007 - 08:49

Request will go to secondary acs. If switch tries to authenticate , request first goes to primary acs, but if there is no response from that acs, switch will send that request to secondary acs.

Regards,

~JG

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Correct Answer
ardica Tue, 11/20/2007 - 07:02

What deployment scenario are we talking about here? For example, with 802.1X deployments there is a feature (called Inaccessible Authentication Bypass) that allows you to provide access to a specific VLAN in the scenario where connectivity to the ACS server is compromised. Is that something may help you?

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