https://community.hpe.com/t5/m-and-msm-series/msm430-unable-to-roam-between-aps-with-radius-authentication/m-p/5876115#M1576 <P>I have two MSM430's running 5.7.1.1-12533 firmware. &nbsp;They are both in autonomous mode as we do not have a controller.</P><P>&nbsp;</P><P>Both APs are setup with the exactly the same VSC. &nbsp;Both radio 1 and 2 are used for the VSC (obviously on different channels), we are using WPA with Radius authentication. &nbsp;Clients have no issues connecting to either MSM430 and authenticating with the RADIUS setup, the authentication is very quick (under 2 seconds). &nbsp;However, when they roam to a different MS430, it will either take forever (over a minute) to reauthenticate or never reauthenticate and client gets a 169.x.x.x address. &nbsp;However, if I take out the Radius authentication and use basic WEP or WPA preshared key it roams just fine between APs and it is almost 100% seamless.</P><P>&nbsp;</P><P>Do I have to purchase a controller to be able to seamlessly roam between APs using Radius authentication?</P> Thu, 22 Nov 2012 22:28:52 GMT Conver 2012-11-22T22:28:52Z https://community.hpe.com/t5/m-and-msm-series/msm430-unable-to-roam-between-aps-with-radius-authentication/m-p/5876115#M1576 <P>I have two MSM430's running 5.7.1.1-12533 firmware. &nbsp;They are both in autonomous mode as we do not have a controller.</P><P>&nbsp;</P><P>Both APs are setup with the exactly the same VSC. &nbsp;Both radio 1 and 2 are used for the VSC (obviously on different channels), we are using WPA with Radius authentication. &nbsp;Clients have no issues connecting to either MSM430 and authenticating with the RADIUS setup, the authentication is very quick (under 2 seconds). &nbsp;However, when they roam to a different MS430, it will either take forever (over a minute) to reauthenticate or never reauthenticate and client gets a 169.x.x.x address. &nbsp;However, if I take out the Radius authentication and use basic WEP or WPA preshared key it roams just fine between APs and it is almost 100% seamless.</P><P>&nbsp;</P><P>Do I have to purchase a controller to be able to seamlessly roam between APs using Radius authentication?</P> Thu, 22 Nov 2012 22:28:52 GMT https://community.hpe.com/t5/m-and-msm-series/msm430-unable-to-roam-between-aps-with-radius-authentication/m-p/5876115#M1576 Conver 2012-11-22T22:28:52Z https://community.hpe.com/t5/m-and-msm-series/msm430-unable-to-roam-between-aps-with-radius-authentication/m-p/5897617#M1639 <P>I figured it out, both VLANs were tagged on the AP but one VLAN was untagged on the HP switch itself.</P> Wed, 12 Dec 2012 19:17:00 GMT https://community.hpe.com/t5/m-and-msm-series/msm430-unable-to-roam-between-aps-with-radius-authentication/m-p/5897617#M1639 Conver 2012-12-12T19:17:00Z