Did you set the native VLAN 2 at the other end of the link? If you do not do that, you will get problems. The best way to do it is to change the native VLAN while the port is down, then bring the port up once both ends of the link are changed.
You will also get a problem with this config if the other end of the link is CatOS. Recent IOS is OK with the situation where the native is not on the allowed list. CatOS does not handle it correctly (due to a bug) and the Spanning-Tree breaks down. The bug was fixed in later IOS versions, but was never fixed in CatOS.
The IOS version of the bug is CSCed00396, which is available on the bug toolkit. It was first found in 12.1(19)EA1. What puzzles me is that it was supposed to have been fixed by 12.1(22)EA2. Do you have the more recent version at both ends?
For the CatOS version, I can tell you the bug number - CSCdv19761 - but it seems to be Cisco restricted.
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...