Ruckus Zonedirector – Request Error
Today had a strange issue with a Zondirector 3k and thought I would share in case anyone else has the issue. For some reason all of a sudden the web interface started showing this error: Request Error...
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802.11 Finding the MCS rate in Wireshark
One great way to troubleshoot wireless issues that clients might be having is to perform a packet capture or use some kind of wireless analysis tool. In this case I have an Ekahau sidekick with...
View ArticleFortinac PXE DHCP boot options
Fortinac is built on top of CentOS and is a great product. Recently I needed to have default or isolated vlan support PXE booting as well as isolation. This way if a computer is being imaged we don’t...
View ArticleProtected: Upgrading firmware on Dell 4128-ON
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Cisco – Flex links
Cisco Flex links give the ability to have a layer2 redundant connection, or pair of connections configured as an Etherchannel for a primary link. This is an active/passive setup where if the primary...
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Cisco – Event Management to enable backup interface
I work with a lot of sites that are multi-homed or have a backup connection that, even though its backup still needs to be used at the same time for load balancing. Recently I was able to have a site...
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College dorm Wi-Fi issues
Recently I was asked to look at a local college that is experiencing issues in the evening with wireless users. In this example the complaints from students who live in the dorm are obscure and lacking...
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802.11 SSID Overhead and impact
When deploying wireless networks one of the best practices is to limit the SSIDs used within the WLAN. The reason we want to limit the amount of SSIDs, is the SSID announcement is sent through a Beacon...
View ArticleRuckus ICX VLAN range command
Thought this might be useful for anyone who needs to make a lot of changes quickly to many vlans. In ICX vlans, and vlan interfaces (routing interfaces) are different. In this example I will show how...
View ArticleUpgrading HP J9299A HP 2520-24G VIA TFTP
The old Procurve switch line is very long in the tooth, but I run across them all the time. In this case its a 2520 switch that is in very bad need a of a firmware upgrade. I will detail where to go to...
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Finding vlan settings on HP Procurve switch
Finding what vlans are set on a switch port is a very needed thing for almost any config changes in Procurve software. This entry shows a quick way to check the vlans both tagged/untagged on a...
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Creating a static route in FortiOS 6.2
This entry details how to create a static route in both the GUI and CLI of the Fortigate firewall. Specifically I am using FortiOS 6.2.4 but its pretty much been the same for years. Lets start by...
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How to find NPS client Radius Shared Secret Key
Overtime we forget things, especially Shared secret radius keys. This is pretty common, and I run into it a lot. For example – lets say a you setup NPS (Network Policy Server) and a Wireless controller...
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Fortiauthenticator: Troubleshooting with tcpdump
Had a strange issue the other day with a FAC, where it would not send emails to users with their assigned tokens, but would send emails just fine any other time. I wanted to capture all outgoing...
View ArticleFortiNAC – Finding the UUID and MAC to license device
When you setup Fortinac you have to license it, and Fortinet asks you what the MAC and UUID of the device are when registering the license. You can get this information by SSH’ing into the NAC and...
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Ruckus ICX integration with Fortinac
This entry shows how I have been setting up ICX switches with Fortinac. In this scenario my Fortinac is located at 192.168.226.248, the switch is 192.168.226.53, and my SNMP community is “snmp”. I know...
View ArticleUpdating Fortigate certificates
Certificates for VPN, SSL Offloading (if using Load balancing), or a signed device cert expire, we all know this. Up until last week I had never updated a signed certificate, I had just created a new...
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Getting Fortiswitch interface statistics
I am more impressed with Fortiswitches every time I work with them. The ability to implement light NAC features, INTRAvlan firewall policies and overall management really gives these switches a...
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Fortiauthenticator – SMS only remote sync rule
I had an issue, well more of a specific formatting issue with Fortiauthenticator that I thought I would share. I have a client who is only use SMS with forticlient via fortiauth. The idea is that the...
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Dell N2248-ON firmware restore from ONIE Recovery
I have been working a lot with the Dell N-series over last few years, and now the N2248-ON which can run OS10 as well as the default OS6. We upgraded firmware to the latest 6.6.3.10 and all seemed to...
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