One of our AS5350 gateways suddenly stopped working. Config was not changed for months, and everything was working fine. But yesterday VoIP calls originated by our Softswitch that are supposed to be terminated trough that GW started failing. At that moment Telnet connection was still possible. After routine check I've concluded configuration is correct and decided to reload the box. After reload Telnet was not possible anymore. The box was not even "pingable". After connecting through console, I tried to ping local FE interface, but even that was not possible, although the config of interface was existing and correct! I've tried with disabling and then enabling the interface, but no change. Then I disabled the interface, reloaded the box again (with interfice on "shut"), and after enabling the interface it was OK, I was able to ping it and it became visible for outside world again. But GW is still not working, calls are failing with cause code 127 (quite indefinite). It seems that some part of the config are still "missing" although "sh run" shows it completely. I repeat, gateway is loaded with the same config that was working fine for months. Logs are not giving me much ("debug isdn q931" is not showing any call attempt, as well as "debug translation detail"). I suspect that router is "ignoring" some part of the config for some reason. Maybe someone had similar experience? How to resolve this for me very strange problem?
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
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