About gropper1929

gropper1929 · 06-23-2022

Hi Cisco Community,since this is my first post here on the forum, I hope the question was asked in the correct topic group.We purchased several Cisco Catalyst 9120's for a small outdoor location.Among them also 2 pieces with EWC image.We have now com...

gropper1929 · 02-13-2015

Hy,I have a problem with the new Catalyst 2960X Series (WS-C2960X-48FPS-L; IOS 15.0(2)EX5; C2960X-UNIVERSALK9-M).If I trying a trunk-port-channel to the core switch in VSS-Mode( Catalyst 6509E, Version 15.1(2)SY), go short time all trunk port interfa...

gropper1929 · 07-08-2022

Hi Jonathga94,yes I had to create the VLANs in the Flexconnect profile.However, my mistake was that I had not specified the native VLAN.Therefore the whole thing did not work...

gropper1929 · 06-23-2022

Hi,the problem is that I cannot create a VLAN.Here is the output of "show vlans":WLC00DF.1DC2.8C40#show vlansNo Virtual LANs configured."show vlan brief" does not exist in the CLI for me. Unfortunately, when I enter "vlan" in config mode, I can't cre...

gropper1929 · 06-23-2022

Hi,thanks for your reply. The output says that there is an SVI without an assigned VLAN.But this is exactly my problem.That I can't create a VLAN, because I don't have the menu item.The SVI I have created for lack of alternatives times to test, but u...

gropper1929 · 02-13-2015

Hy all, the solution of the problem on the IOS version of Catalyst 2960X...The Problems only exist's on IOS 15.0(2)EX5...After the update to IOS 15.2(3)E it works fine....

Member Since	‎02-12-2015 11:50 PM
Date Last Visited	‎10-20-2025 08:27 AM
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Cisco Embedded Wireless Controller-VLAN Configuration is not possible

Catalyst 2960X Trunk Uplink - ETHCNTR-3-LOOP_BACK_DETECTED

Re: Cisco Embedded Wireless Controller-VLAN Configuration is not possi

Re: Cisco Embedded Wireless Controller-VLAN Configuration is not possi

Re: Cisco Embedded Wireless Controller-VLAN Configuration is not possi

Hy all, the solution of the