Network Access Control

For the past month I've had something with a user name of "cisco" attempting to login into 2 of my routers about every 5-15 seconds (it varies).  It doesn't give a caller address it just shows async.  It fails to login as user unknown as it should, b...

I've configured 10 layer 2 switches(C3750-ADVIPSERVICESK9-M), Version 12.2(40)SE), to use TACACS+. They're all using the same key, and are working fine.  I moved onto another 3750 switch located across a point-to-point circuit, a Cisco C3750 Software...

Hi guys.Anyone can clarify me how many devices can an ACS 4.2 work with TACACS+ ?.Is there any limit?, and if exists, which is it and where does Cisco publishes it.Spent a whole morning and no success reaching for the info.Ty in advance.Carlos.

I'm running ACS 5-1-0-44-3.I have everything running properly on ACS 5.1.  I'd like to implement command sets for selected users and groups.  Under Access Policies -> Device Admin-> Authorization I have Command Sets selected.  The cisco provided is D...

I have set up a new ACS 5.1 appliance and it seems to be going well.  I would like to be able to restrict access to the command SHOW CDP NEIGHBOR DETAIL to a specific group but continue to allow SHOW CDP NEIGHBOR.I am able to either allow access to t...

HI,Is ACS 4.2 a multivendor product ? can I authenticate(AAA) non cisco devices with Cisco ACS 4.2.thanks

Dear Community!We have recently installed a C2951 router running 15.0(1) IOS version. However, we have a problem configuring VTY ACL. While trying to login to the router via SSH, the VTY ACL has some matches regarding the SSH client IP address, but t...

Hi.  We're having some trouble importing users via the csv import into our new ACS 5.0.0.21 install.I downloaded the template from the "Import" page and wrote a script that populated the .csv with all of the required data but it seems to fail every t...