We are doing sticky via cookie, but seeing as moodle requires cookies it shouldn't be related to this issue.
-Andrew On Jan 10, 2012, at 10:46 AM, Martin McCormack wrote: > > Cluster is managed with a Cisco ACE 4710 and the sessions are sticky. > Are you using sticky by IP or Cookie? If by Cookie and the clients have > Cookies disabled then the Cisco cookie will not be returned and it will > degrade to the next sticky setting. > > You might have to do some packet tracing, I've found Wireshare handy for this. > > Good luck. > > Martin > > From: [email protected] > Date: Tue, 10 Jan 2012 10:17:41 -0500 > To: [email protected]; [email protected] > Subject: [phpcas-users] CAS Authentication failed with Clustered Moodle > > > We've been reliably running a single server moodle instance with CAS enabled > for over a year. Recently we've moved to a cluster of Moodle servers and > sporadically users are seeing a "CAS Authentication failed!" message. > > At first I thought the error must be session related so I've verified the > following settings. > > Cluster is managed with a Cisco ACE 4710 and the sessions are sticky. > Both moodle sessions and php sessions are written to a shared NFS space. > > Does anyone have a suggestion on how we can address this issue? > > > > <image.png> > Andrew Tillinghast > Sr. Web Developer > [email protected] > 270 Mohegan Avenue > New London, CT 06320-4196 > Ph:860 439-5265 Fax: 860 439-2871 > P Think before you print > CONFIDENTIALITY: This email (including any attachments) may contain > confidential, proprietary and privileged information, and unauthorized > disclosure or use is prohibited. If you received this email in error, please > notify the sender and delete this email from your system. > > > > > -- You are currently subscribed to [email protected] as: [email protected] To unsubscribe, change settings or access archives, see http://www.ja-sig.org/wiki/display/JSG/cas-user
