Yes we do test them prior to deployment for the same reason. I dont want to make any extra trips !
I push via DHCP only the list of controllers for AP's on that specific subnet. I should have been watching them closer when they deployed the new DNS/DHCP equipement.
From what I have read and learned over the past several days the use of option 60 VCI will either allow or deny DHCP info to devices based on the VCI string. From a secuirty stand point that would keep laptops off of your AP subnet. I just wanted to verify my understanding of this also based on the behavior of our existing system.
Keeping your laptop off the AP Subnet? This is achieved with VLANing your ports to separate other network hosts with your AP ... and making sure the installers follow the instructions: Plug the AP to the correct port.
There is no need to have option 60 in the DHCP scope. Option 60 is send by the client upon DHCP DISCOVER and is also know as the vendor class identifier or VCI string.
What needs to be in the DHCP server is the vendor class that matches the string and maps it to option 43 sub-code 241. One entry for each type of access-point you're using.
Option 43 does not go into the scope either, instead, option 241 (the sub-code) goes in.
If configured correctly, the AP sends a VCI string which matches the vendor class in the DHCP server. Then the server maps the class to sub-code 241 and sends info in option 241 as option 43 in the DHCP offer.
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...
This is the start of a display filter cross reference between Wireshark and OmniPeek.
The 1st installment is a table of advanced filters. More filters will be added as time allows.
It is a living doc, so check back for changes every so often
Please feel ...
I have created a Powershell script to automatically add a Wireless Guest User on Cisco WLCs. (tested on 2500 Series)
The script should be completely self explanatory.
Powershell SNMP Module (Install-Module -Name SNMP)
SNMP Write Access to...