We have port sec on 5 switch at on site. 4 2950s run CAT OS and 1 4500 IOS. We are seeing port go down due to sec violations from mac addresses on neighbor switches. No physical changes, or config changes and no hubs. Ports are going down due to sec violations with now explanation.
We already have port sec on the access ports only. We running in a secure operation and is company policy to have port sec on all access port. We seeing ports go down due to sec violation. No workstations have been moved. No seeing any spantree loops.
you can re-enable the port by doing a shutdown/no shtudown command. try tuning your it to other violation mode, a milder one, instead of a shutdown (the default). there's one option which will show a log that there's a violation (i forgot what it is) instead of putting it in a shutdown mode.
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...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.