My end-points in LAN are not able to get DHCP address from the new DHCP server over LAN or Wireless.
I have 2 DHCP servers on my LAN, i have configured 2 IP helper address statements on the gateway switch pointing to the 2 DHCP servers along with smart-relay command. Subnet 1 (currently running) scope is able to provide IP's to the clients both thru LAN & wireless, works fine and there is no problem.
Configured a new DHCP server with new subnet scope, if i assign an IP statically to the end-points both on LAN & wireless it works fine and i have required access but when i configure it for DHCP assignement it does not take an IP from the new subnet even if the old scope is full.
NOTE - I have 2 WLC (AIR-WLC2125-K9) configured for HA mode
commands that i have configured configured on my network
You need to specify the dhcp server address also on the dynamic interface or the management interface if your pointing the wlan to that interface. SO for example, SSID2 configuration, you have that assigned to a specific interface your created or else the management interface. So in that interface, you need to make sure you have the dhcp servers configured there. This will take care of your wireless, but I don't know about your wired clients.
If that server isn't handing out dhcp address, then it might be an issue with that server. Use a sniffer and check to see if you see dhcp request come into the server and see if you see a school response.
I'm a bit confused on the reference to a "new subnet". Are we just talking about the same subnet just a different DHCP pool/scope within the define subnet?
Or are we really talking about a second subnet entirely?
If its the later, I wouldnt expect it to work.... I'm assuming the dynamic interface on the WLC would have an IP Address in the first subnet. If those requests were sent to a 2nd dhcp server with a different scope, it wouldnt match the interface and would be dropped. The correct solution in this instance would be to have a 2nd dynamic interface (different vlan) on the WLC and use interface groups on your wlan...
Same could be said if dhcp was disabled... if the ip helper was on vlan 10, and lets say it was a 10.10.10.0/24, any dhcp relays would get dropped by any dhcp server that can't serve 10.10.10.0/24., right?
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
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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...