We're having an anniversary issue with our Telco - flapping Controllers E1. The isdn switched-type are verified correct and there's really no progress on their investigation.
The behaviour of the logs is it only takes 1 second of flap -down then up. I believe the impact is on the voice quality but i know that another second will bring the serial interface down which drops the call. i noticed this when i manually shutdown the controller and the first log show controller changed state to admin shut. then the next log appears after 2 seconds, serial interface change state to down.
Is there a way or any timer that can be adjusted so that it will ignore flaps of 1 second?
since this is more than a year old problem, we're thinking to switch to other carriers. We have two routers at site, 8x E1s to RouterA and 6x E1s to Router B. Cabling and MUX is handled by the carrier. and all E1s flap at the same time. We're using MGCP (unfortunately where im not very familliar to troubleshoot with). my next plan is to try loopback cable. im just checking if there are other ways of troubleshooting that I missed out...
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.