Q: 1
A wireless network consists of:
• two IOS XE controllers installed in a data center
• 9100 series APs
• corporate and a guest WLAN
The customer must high availability pair two Cisco WLCs for the client SSO. Which two design
approaches must the engineer take to meet the requirement? (Choose two.)
Options
Discussion
B and D. I thought both controllers needed matching service port IPs for HA, plus unique redundancy management IPs.
C/D? I remember practice labs plus the Cisco doc both point to D and E as required for WLC SSO setup. You need unique redundancy IPs and the same software version, not matching licenses. Anyone see official guide list it differently?
I don’t think A is required, D and E are the real must-haves here. License count can be a trap.
Why did you pick B instead of E? Pretty sure same OS version is a requirement for client SSO HA pairing.
C/B tbh, Cisco official guide or practice test questions seem to focus more on port IPs and license count for SSO pairing.
Pretty sure A and D, because I thought license count matters for pairing in HA and unique redundancy IP is always needed. I don’t think service port IP needs to match here, but maybe I'm missing something about the OS version trap option.
Option A
Its D and E, but only if you don’t mix up standby IPs. Seen reports where same OS version was missed and SSO failed.
D and E tbh, saw a similar question on a practice test. Unique redundancy management IP and matching OS version are always called out for SSO. Never needed same license count for client SSO in lab setups.
D imo, but also E sounds right based on what I recall from the official guide and some lab scenarios.
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