Posts Tagged ‘How-To Fix’

T-Mobile Wifi Calling – ER081 Firewall Port Summary

Open the following ports on your firewall: TCP 5060-5061 UDP 4500 (aka IKE Traversal)  –  Note: This is the port the call data goes through Additionally, you may need to let IKE Key Exchange traffic through. UDP 500 Other errors: REG99 – Go to my.t-mobile.com and update your E911 address (even if you previously have)

Fixing Cisco Wireless Client Association Failure ReasonCode: 102

Have you seen this error in your Cisco WLC logs? Client Association Failure: MACAddress:xx:xx:xx:xx:xx:xx Base Radio MAC:xx:xx:xx:xx:xx:xx Slot: 0 User Name:UNKNOWN IP Addr: unknown Reason:Unknown ReasonCode: 102 There is one link on the internet mentioning this error on the Cisco Support Forums, but I found it might have an alternative solution. Reboot the AP with […]

How to view Failed Backup Logs on a Synology NAS

WARNING: This how-to is brief and technical. If you are unfamiliar with the terms SSH, VI/VIM, and CLI then this tutorial may be difficult for you. I have always hated that Synology does not have better logging for their backup jobs. Errors include “the backup failed.”  Thanks, logs! It turns out that Synology has these […]