I have configured a wireless LAN controller and am having issues with clients obtaining an IP address via DHCP.
The access points (1131AG) pickup an IP address from the DHCP server without a problem, the clients connect to the wireless network ok, but fail to get and IP address assigned, the error on the wireless controller is as follows
"Jul 02 10:01:17.036 dtl_net.c:1191 DTL-1-ARP_POISON_DETECTED: STA [00:19:d2:b2:0d:fa, 0.0.0.0] ARP (op 1) received with invalid SPA 172.17.7.4/TPA 172.17.7.1"
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...