Had this issue before and it was due to the GBIC not been from a certified manufacturer for cisco product. The GBIC is functional but the the IOS won't accept it. What I recommend is using another GBIC from another vendor. One thing which would tell you why this is happening connect your laptop to the console, remove the GBIC wait for 10 seconds then insert the GBIC you will get a an error message why the GBIC has been refused.
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...