Today i had several Loops in Customers Network and any Vlans were blocked because we had to change the Core from HSRP to VSS:So on bot the Distribution Switch, which are connected to the Core it looked like:------------------ show spanning-tree summa...
It´s a new Deployment with 9800-CL and ISE 2.6 with 3 Guest Portals.If Windows and Android connect to a open SSID they will get a Push Notification to Login, but certain Apple Device won´t get a Push Notification and it´s not working.I captured the t...
Here too. I have exactly the same issue. Switches send all the time NS Messages with Source Address ::How to deactivate ipv6 completely??? There is so much ipv6 traffic, and we don´t use ipv6.
The Distribution are also VSS but not across the data centers. And every Access Switch has a Fiber to both data centers. So unfortunately i cannot create an etherchannel unless i break the VSS for the Distribution Switches and build up new across the...
I have a Core Switch 4500-X which is now a VSS.2xVSS Distribution 4500-X which are connected to the Core but the Distribution are not VSS across the data centers, so i cannot form a Port-Channel to the Access Switches.About 90 Access Switches are con...
I was also looking for, but unfortunatelly i didn´t find anything regarding wired guest with c9800. So we just let the old 5520 WLC Controller for Wired Guest Authetification.In C9800 i found that there are some Wired Guests Commandos like guest-lan ...
