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10-09-2015 04:50 AM
10-09-2015 04:50 AM
hp 830 controller and cellular phone connection
hi there
we have a strange wireless issue related somehow with Hp830 and dhcp and cellular phones.
we have a couple of SSID on our controller pushed to APs , and different SSIDs have different authentication mechanisms , The problem is here with an SSID with "open authentication" ,i mean no wpa or something else
.The pc can connect but cellular phones do not connect (can not get IP address from DHCP) .
if i change the authentication mechanisim , then cellulars also get connected.
and also normally our DHCP server is linux based ,if we change the DHCP server to a widows DHCP , both pc and cellulars can easily get connected.
İ opened a case to HP , bu they could not help me ,
what i had done is upgraded the Hp 830 wireless controller to the latest version , but it didnot help either .
and help will be appreciated .
thanks.
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10-11-2015 04:44 PM
10-11-2015 04:44 PM
Re: hp 830 controller and cellular phone connection
Hi
Can you post the service template and ESS interface configuraiton for working SSID and non-working SSID?
When things dont work, have run any kind of tcmpdump or wireshark trace on the DHCP server?
Are you able to see if the client DHCP REQUEST / DISCOVER packet reaching the controller?
Ram
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10-12-2015 11:24 PM - edited 10-12-2015 11:25 PM
10-12-2015 11:24 PM - edited 10-12-2015 11:25 PM
Re: hp 830 controller and cellular phone connection
I havent tried it with wireshark , not much experienced with it.
template 4 not working one
template 7 is the working one
wlan service-template 4 clear
ssid NOT_WORKING_SSID
bind WLAN-ESS 3
service-template enable
#
wlan service-template 7 crypto
ssid WORKING_SSID
bind WLAN-ESS 6
cipher-suite tkip
cipher-suite ccmp
security-ie rsn
security-ie wpa
service-template enable
interface WLAN-ESS3
port link-type hybrid
port hybrid vlan 1 300 untagged
port hybrid pvid vlan 300
interface WLAN-ESS6
port link-type hybrid
port hybrid vlan 1 untagged
port-security port-mode psk
port-security tx-key-type 11key
port-security preshared-key pass-phrase cipher $c$3$8ulCtiQPeDvoR88Z9UYC/uxlR8Rbkvuncb8iQsWa
wlan ap-group default_group
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10-13-2015 01:41 AM
10-13-2015 01:41 AM
Re: hp 830 controller and cellular phone connection
Ok, both the service template is configured to do remote forwarding (i.e. traffic traversing through the controller). I see no reason from configuration perspective, on why it should not work.
Unless you can take some tcpdump/wireshark trace on the DHCP server, will not be able to really comment where the problem is.
We need to know if the DHCP server is receiving the DHCP request from the "mobile device" and subsequently responds to those requests.
Ram
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10-16-2015 07:50 AM
10-16-2015 07:50 AM
Re: hp 830 controller and cellular phone connection
hi ,
at the end ,i got the wireshark output
and i had noticed that we cellular is trying to reach to the dhcp server with "dhcp discover " request ,
but no response from the dhcp and so no ip address assigned.
do you want me to send it to you ?
thanks a lot