We are installing about 270 2900 series switches. We made a cookie-cutter configuration for all the switches. The first 20 or so worked fine. As more were installed, we noticed the switches worked, but were not pingable.
I went to one of the stores and noticed VLAN1 was administratively down. How?? I checked the IOS version.
12.0 (5.3) was the working IOS.
12.1(9) didn't work.
I changed the script so that the last thing we do in the config is no shut on the VLAN1 interface, but what a dumb move on Cisco's part!!!
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...