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Spectralink One-Way Audio over 9800 WLC

I am currently getting one-way audio (inbound) with a Spectralink 8440. Outbound is not working. Both QoS ingress / egress is set to platinum/platinum-up. I validated the client has this in their QoS.I try in my lab over a wireless Meraki network and...

All 5508 controllers just rebooted

Curious if anyone has seen this.All of our 5508 Wireless Controllers have just rebooted across our UK sites, all running version, all rebooted at the same time for no obvious reason. Our old 4402 controller didnt reboot.

sprocket10 by Explorer
  • 26 replies
  • 0 Helpful votes

Resolved! AP 9115 unable to join VWLC controller

Hello,  I have a VWLC controller with image version with several access points already associate to it (model 1542 and 2700). I want to add a 9115 Access point. This AP is unable to join, i have enough licenses.  AP ip: Control...

cisco wlc 9800 ha configuration issue

cisco wlc 9800In version 17.3.6I have set up HA There is no response even if I remove Active's uplink. However, if the corresponding port is shotdown from the cli, Active will pass normally. is this a bug?

JJJHL by Beginner
  • 2 replies
  • 0 Helpful votes

Sub-Interface Ping Loss on Wireless Connection

Hello Professionals,I have seen weird situation when ping to google dns and sub interface with my wireless connection.When I ping from my pc to Google DNS ( and sub-interface(internal network) at the same time,  - Request Timed out of Google ...

eeebbunee by Beginner
  • 0 replies
  • 0 Helpful votes

Cisco 9800-40 WLC CleanAir Interference Devices

Hi All, Seeing a lot of interferers in the 2.4 & 5 GHz bands on the controller, what's more worrying is the reported severity and duty cycle of the devices. Examples below: 2.4GHz 5GHz Any information on how to identify each device correctly, what ...

Jay233_0-1673876392961.png Jay233_1-1673876601359.png
Jay233 by Beginner
  • 3 replies
  • 0 Helpful votes

Resolved! Cisco 9800-CL HA setup issue

Trying to setup redundancy on 9800-Cl in Esxi environment. Have three NICs - Gi1 ( OOB ) , Gi2 ( trunk ) , Gi3 ( HA ) . After issuing following commands  and reloading controllers one of the controller goes into recovery mode and HA is not formed. Co...

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