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Cisco Bug: CSCuw20688 - Enh Req. Do RADIUS/TACACS 'DNS Query' refresh if server is dead

Last Modified

May 05, 2016

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.0(0.30220.385)

Description (partial)

Symptom:
The current behaviour of WLC is to refresh RADIUS/TACACS server IP via 'DNS query' only at specified Timeout period (1-180 days) and WLC does not try to refresh if previously resolved IP is not responding, i.e. RADIUS/TACACS server is dead. 
Proposing an enhancement to trigger a DNS refresh if RADIUS server is not responding (i.e. marked dead). This way this feature can be used for both global DNS-based load balancing as well as HA/DR.

Conditions:
none
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