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What does the error code 215 on ClearPass mean ? And its possible solution.

For one of our customer, we are implementing 802.1X solution for wired and wireless clients, for windows, domain joined devices. WLAN : Cisco WLC RADIUS cert : Signed by public CA. 802.1X configuration on client : Through GPO   During implementation we came across a TLS session error as shown below: All the client got [...]

By | October 19th, 2016|Aruba, BLOG, ClearPass|0 Comments

Troubleshooting Aruba IAP not joining the Cluster.

Real Life Case Study Problem Statement: An Aruba IAP 205 not joining a cluster of 5   Aruba  IAP 103. Scenario 1 : This is a LAN only setup with no internet connection. 1.5 IAP were deployed in the L2 network having OS verion: 6.4.2.3-4.1.1.4_49446. Everything working fine. IAP 205 with OS: 6.4.2.6-4.1.1.6_50009 was [...]

By | September 1st, 2016|Aruba, BLOG|0 Comments

Aruba Clearpass Tips: How to restrict Guests from using their personal email for self registration

We need to write a small ARRAY statement to deny and allow. Example below:   array ( 'deny' => array ( 0 => 'gmail.com', 1 => 'YAHOO.com', 2 => 'hotmail.com', ), 'allow' => array ( ), )     Where to pass this argument to a validator in ClearPass guest ? Look below 1. Navigation [...]

By | August 10th, 2016|Aruba, BLOG, ClearPass|0 Comments

The tale of Pre-standard POE. Cisco IP phones and Aironet Access points

Mondays are the days when we have to get a lot of things done ! So yesterday I was onsite and my task at hand was to provision couple of IP phones for a new bunch of people who had just moved in to our premises. I setup a new subnet and vlans for them [...]

By | July 14th, 2016|BLOG, Cisco|0 Comments

Curious case of DHCP Pool exhaustion on Cisco IOS

I am porting this old blog of mine from personal blog. It quite common to see a Cisco Switch or a Router being used as a DHCP server, generally in a small office or a remote branch office, where there is no need of a dedicated DHCP server. If you are managing one such network, [...]

By | June 10th, 2016|BLOG, Cisco|0 Comments

Aruba ClearPass, ArcSight, and 3rd party Firewall Integration guide

Firewall could protect from a device transmitting or receiving malicious data on the network. However, the firewall is not able to contain the data within the network segment or zone of the device and is certainly not able to limit the malicious data spreading to other devices in that zone/segment. MAKE -- USE OF ARUBA [...]

By | May 22nd, 2016|Aruba, BLOG, ClearPass|0 Comments
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