I have been experiencing some roaming issue with the 7925. The phone can roam fine, except during the roaming session for at 2 sec the displays authentication Failed and quickly re-authenticated again. Of course during these two seconds, the conversation brokes! I have been diging into this issue and found the result below after conducting a site survey on the phone itself:
1. The beacon interval of 102 is not recommended, the recommended value is 100...
When check the Wireless LAN Controller, the beacon interval is already set to 100. And even though i changed it for a lower value, let's say 96 and re-do the survey, the result is the same... beacon interval of 102.
2. Spectrum Management is not enable or supported.
What does that mean?
3.Proxy arp is not enable or Supported.
I am running 7.4.100. on a 2504. and 2600 Series AP.
I have followed the 7925G deployment guide cover to cover.... Yet, i am still having random roaming issue.
And as i mentioned in the original poste... Why is the site survey, using the 7925G phone, shows the beacon interval is 102 millisec... Even though the controler shows 100. And changing for something lower does not make any difference!
For starters, 22.214.171.124 does not have any new features.
And secondly, 126.96.36.199 did mentioned a bug that somewhat similar to the issue that experiencing but it seems the bug was experienced in 188.8.131.52 and I am running 184.108.40.206. Unless, if the same bug was ported over to 220.127.116.11... The bug in question is below...
I am considering open up case with the TAC for this one.
Symptom: FlexConnect mode access point sends ARP responses for a client in
DHCP-required state. Roaming breaks for clients associated to the access point.
• FlexConnect mode access point using Release 18.104.22.168.
• DHCP required is enabled on the WLAN. Workaround: Disable the DHCP Required check box on the WLAN.
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