Re: Doesn't anyone Know anything about roaming?
From: Peter Bui[MS] (peterbui_at_online.microsoft.com)
Date: 08/31/04
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Date: Tue, 31 Aug 2004 15:55:25 -0700
Roaming from one AP to another AP within the same SSID is a logic that is
within the NIC driver, not WZCSVC. It is usually an algorithm that takes
signal strength and quality into account.
Peter
"Thomas K" <thomas@kuborn.be> wrote in message
news:41349508$0$4093$ba620e4c@news.skynet.be...
> Same SSID, different channels is correct. Neighbor APs should use non
> overlapping channels (1 - 6 - 11) & not just different channels (1 - 2 -
> 3)
>
> Roaming is a client based decision; not an AP based decision.
> It would be interesting to know what criterias/threshold the WZCSVC
> service
> uses when deciding to roam?
>
> You could use a site survey program to assess signal quality in the
> different areas...
>
> T
>
> "RogerC" <rojoch@NOSPAMtiscali.co.uk> wrote in message
> news:u8SgCQwiEHA.2068@TK2MSFTNGP15.phx.gbl...
>> Hi James,
>> Thanks for your response.
>> Yes, I am using PEAP-MS-CHAP v2 and I have "Enable Fast Reconnect."
> enabled
>> on both servers and laptops.
>> But.. I don't have "Validate server certificate." enabled on the
> laptops -
>> where does this come into the roaming issue if my users authenticate
>> correctly without it being enabled?
>>
>> I have 2 windows 2003 servers that are DC's with IAS configured. The 4
>> Access points are setup to use both of them
>> as their primary and secondary RADIUS servers. The access points are set
>> with the same SSID but all different channels.
>> Is this the correct setup?
>>
>> RogerC
>>
>> "James McIllece [MS]" <jamesmci@online.microsoft.com> wrote in message
>> news:Xns9550A59C6D12Ajamesmcionlinemicros@207.46.248.16...
>> > "RogerC" <rojoch@NOSPAMtiscali.co.uk> wrote in
>> > news:eVZq7apiEHA.1344@TK2MSFTNGP11.phx.gbl:
>> >
>> >> Hi,
>> >> Although I have put several posts on this and other newsgroups about
>> >> wireless roaming I have never had any replies.
>> >> Is there any documentation anywhere about setting up a wireless
>> >> network with several access points to enable laptops to 'seamlessly
>> >> roam' between them?
>> >>
>> >> I am using 2 win2003 servers with IAS, 4 access points with 802.1x
>> >> enabled and win XP sp1 & sp2 clients. The clients authenticate
>> >> correctly but will not roam when moving to another area.
>> >>
>> >> Thanks,
>> >> RogerC
>> >>
>> >>
>> >
>> > Hi Roger --
>> >
>> > You did not mention which authentication method you have deployed, but
>> > I
>> > am
>> > going to assume it is PEAP-MS-CHAP v2 since roaming is a feature of
>> > that
>> > auth method.
>> >
>> > To enable roaming, also called fast reconnect, in the IAS wireless
> remote
>> > access policy, go to the Properties for PEAP and click "Enable Fast
>> > Reconnect."
>> >
>> > On clients, in the Smart card or other certificate properties of a
>> > wireless
>> > network, select "Validate server certificate."
>> >
>> > --
>> > James McIllece, Microsoft
>> >
>> > Please do not send email directly to this alias. This is my online
>> > account
>> > name for newsgroup participation only.
>> >
>> > This posting is provided "AS IS" with no warranties, and confers no
>> > rights.
>>
>>
>
>
>
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