Subject: Re: [Capwap] Consistent range for radio ID and WLAN ID

From: "Pat Calhoun (pacalhou)" <[email-masked]>
Date: Mon, 19 Jun 2006 18:43:25 -0700

Note that since we don't need a full 8 bits, we opted to conserve space
in the capwap header. However, as far as the rest of the protocol is
concerned, we should us a consistent length, but byte aligned.

Pat Calhoun
CTO, Wireless Networking Business Unit
Cisco Systems

> -----Original Message-----
> From: David T. Perkins [mailto:[email-masked]] 
> Sent: Wednesday, June 14, 2006 11:12 PM
> To: [email-masked]
> Subject: [Capwap] Consistent range for radio ID and WLAN ID
> 
> HI,
> 
> I've seen several places where the range of the Radio ID and 
> WLAN ID is inconsistant.
> 
> In section 4.1, in the transport header, the RID is
> 5 bits (a range of 0-31), but in section 4.4.34, the max 
> radios and radios in use is a 8 bits (range of 0-255). Also, 
> in sections 4.4.8, 4.4.11, 4.4.14, 4.4.15, 4.4.17, 4.4.28, 
> 4.4.39, 11.10.1, 11.10.2, 11.10.5, 11.10.6, 11.10.8, 11.10.9, 
> 11.10.10, 11.10.11, 11.10.13, 11.10.14, 11.10.15, 11.10.16, 
> 11.10.17, 11.10.18, 11.10.19, 11.10.20, 11.10.21, 11.10.22, 
> 11.10.23, and 11.10.24 the radio ID
> field is 8 bits.   
> 
> In section 11.4, WLAN is a bit map of length 16 (thus a range 
> of 0-15). However, in the following sections, WLAN ID is 8 
> bits (a range of 0-255):
> 11.10.1, 11.10.9, 11.10.10, and 11.10.11.
> And in sections 11.10.5 and 11.10.21 the WLAN ID is 16 bits (0-65535)
> 
> Regards,
> /david t. perkins
> 
> 
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