I just recently inherited the O&M of our ONS 15454 SONET MSPP ring. My first task was to upgrade the software to 9.2.15, which went great, no issues to report. But now I'm having trouble opening IOS connections (from the CTC) to all of my ML Ethernet cards. I get the following message:
An IOS session cannot be opened right now with this slot. Most likely someone else (using a different CTC) already has a session opened with this slot. Please try again later.
No one else is logged into the IOS, and this is happening to every ML card in my ring. I can console into it directly and it allows me in, and I verify there that no one else is logged in as well.
I know my SONET, but don't know IOS very well so I'm not sure exactly what to try once I'm in there.
No dice... I reset the active TCC2P card, waited for the switchover and the card to reload, with zero luck in opening an IOS connection. I get the original message reported above. Obviously no one can be in it when I reset the TCC card... I also reset the ML card and tried opening IOS then, and again, same message.
Any other ideas? Probably going to be opening a case on this on...
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
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...