Hi all,
I've got a strange problem with DHCP after deauthentication. I'm running Cisco
virtual WLC (last release 7.6.120) and Packetfence 4.3.0 deployed to serve
wireless guest access through email sposorship. I'm using ISC DHCP Server 4.1.1
(the all production subnet dhcp server) on CentOS 5.10 to give IP address on
guest subnet, an IP helper address configuration is made on the core switch to
make it possible. All seem working fine but after deauthentication client can't
get IP from dhcp server. I took a dump from the log and from tcpdump and the
request are arriving correctly on the guest vlan but the server answer "wrong
network"! and send DHCPNAK. After that clients don't try to do a new discover
always forcing to keep the IP they got from registration vlan. Can someone help
me?
P.S. The problem is the same with windows 7 or linux clients
Thanks
Luca
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