Cisco Prime Infrastructure does not update quickly after making changes to an...
For the past few of years I have been told that I should make all of my changes to my wireless controllers through WCS, now called Prime Infrastructure (PI). I have have been very reluctant to do this...
View ArticleQOS on the 4500-E with IOS XE is different from the older 4500s.
For years I have configured QOS on Cisco switches. The 4500’s and 6500’s always caused me the most frustration. Depending on the line card, you may have 2 or 4 hardware queues with the Priority queue...
View ArticleServers keep dropping their network connection, is it the server or the...
I had just arrived home from work and received a call stating many servers are dropping their network connection. The voice on the other end was very concerned that there was a major problem. I...
View ArticleIP Phone may have power, but it doesn’t mean it’s connected to the network.
Last week I had one of the phone techs come to my desk and ask me to check the configuration on a switch port. He was setting up an IP Phone for a user at a new desk and the … Continue reading →
View ArticleWhat you really need to take advantage of Cisco’s CleanAir technology
For the past few years Cisco has been talking about their CleanAir technology. If you are not familiar with CleanAir, the CleanAir technology will detect wireless interference and some access points...
View ArticleVirtual classroom with Globalknowledge
For years I have been attending technical training classes with Globalknowledge. The classes have always been in another state and I have always had to fly to the city and spend a week away from my...
View ArticleRedundant connection with a single Cisco ASA firewall
When setting up Cisco ASA firewalls, I prefer to install them in pairs. A High Availability (HA) pair works very well to keep the environment available when one unit fails. It’s not very often, but...
View ArticleAccess points having a hard time downloading 7.0.250.0 code
Cisco recently released Software version 7.0.250.0 for their Wireless LAN Controllers (WLC). This version of code is a bug fix version. Over the past couple of weeks I have had the opportunity to...
View ArticleIt’s time to review the SSIDs you have in use!!
How many SSID/WLANs (Wireless LAN) do you have running on your wireless network? If you are like most, you have more then you should. Cisco wireless networks can support up to 16 SSIDs on a single...
View ArticleMass upgrades with Cisco Prime Infrastructure 2.0
Cisco Prime Infrastructure (PI) is supposed to make managing your wireless controllers easy. One way that PI helps with the work load is with software upgrades on your wireless LAN controllers (WLC)....
View ArticleDon’t forget to change the Registry before upgrading your Cisco 4500-E with a...
I recently acquired a brand new Cisco 4506-E with the Supervisor 8-E. The Supervisor came with the latest K9 version software. This was very odd for me, I almost always have to upgrade my new network...
View ArticleCisco Prime Infrastructure shows the wrong controller version
After upgrading 800+ Cisco Wireless LAN Controllers from Cisco Prime Infrastructure (PI) 2.0 I was left with about 50 controllers that still showed the old version of software. At first I thought that...
View ArticleIs it worth upgrading that old network device?
I used to have the opinion of performing software upgrades on old equipment to bring the software version up to a modern version. I have had issues in the past and the vendor refuses to help me until I...
View ArticleHow many clients can a Cisco 3702 AP service before service degrades?
I understand that the proper answer to this question is “It depends”. But, my goal is to find the number of simultaneous wireless telephone calls that can be made while attached to the same Cisco 3702...
View ArticleHow to install or assemble the Cisco AIR-AP-BRACKET-3?
If you are looking for a slick solution to mount your Cisco wireless access point (AP) on your drop ceiling you should look at the AIR-AP-BRACKET-3 bracket. This bracket is easy to use and the AP looks...
View ArticleHow to validate your Access Point location?
In the past I have preconfigured and marked the access points (AP) before giving them to the people installing them. My last install there were to many APs to preconfigure. I provided the cabling...
View ArticleHow to avoid the certificate error with Cisco’s WLC internal Web Authentication
Have you ever visited a business and you were given a username and password for their guest wireless access, only to get an SSL Certificate error when it sends you to the authentication page? Is it...
View ArticleASUS AC2400 (RT-AC87U) Review
I was recently tasked with providing an upgraded wireless solution at a customers apartment. I wasn’t given any good information about the apartment except for the fact that it was two floors in a 44...
View ArticleCisco ASA hostname trick to quickly identify if the unit is Active or Standby
After years of working with the Cisco ASA platform I always learn something new while working with TAC or somebody else. I recently learned about the following command. “prompt hostname state priority”...
View ArticleCisco ASA VPN and RSA SDI Troubleshooting
RSA SDI is a setup that allow a user to use a token to log in to a system. This is a two factor authentication method. The Cisco ASA VPN can be setup to have the user enter the token … Continue reading →
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