Issue72

Title The WTP id issue in the Base MIB
Priority critical Status chatting
Superseder Nosy List richard
Assigned To richard Topics

Created on 2009-08-11.11:40:36 by richard, last changed 2009-08-12.02:32:08 by richard.

Messages
msg143 (view) Author: richard Date: 2009-08-12.02:32:08
To make it more clear, the text is updated with:

The section 4.6.40 [RFC5415] does not clarify that the WTP's
Base MAC address MUST be included in the WTP Board Data message element.  This
is a known errata item and assumed to be fixed in future by the
editors of the RFC5415.
msg131 (view) Author: richard Date: 2009-08-11.11:40:36
Section 5.7.  WTP Profile
  In a centralized WLAN architecture, a WTP profile is used to make
  configurations such as static IP address for a WTP before and after
  it connects to the AC.  It MUST contain the serial number [RFC5415 
<http://tools.ietf.org/html/rfc5415> ]
  of the WTP because the CAPWAP message received from the WTP contains
  its serial number and the AC uses this serial number to find the
  corresponding WTP profile.

[Abhijit] A serial number is not guaranteed to be unique. This needs to be 
based on something that is guaranteed to be unique - like the AP MAC address.  
Need corresponding changes in the rest of the doc where serial number is  is 
used like CapwapBaseWtpIdTC etc.
/////////////////////////////////////

According to the discussion in the IETF meeting, the editors do the following 
changes:

1) Update the section 5.7

5.7.  WTP Profile

   In a centralized WLAN architecture, a WTP profile is used to make
   configurations such as static IP address for a WTP before and after
   it connects to the AC.  It MUST contain Base MAC address [RFC5415] of
   the WTP because the CAPWAP message received from the WTP contains the
   Base MAC address and the AC uses this Base MAC address to find the
   corresponding WTP profile.

   In the section 4.6.40 [RFC5415], it omits indicating that the WTP's
   Base MAC address MUST be included in the WTP Board Data messag.  It
   is a known errata item and assumed to be fixed in future by the
   editors of the RFC5415.

   Another important function of WTP profile is to trigger the creation
   of WTP Virtual Radio Interfaces on the AC.  To implement this
   function, a WTP profile MUST include the WTP's model number
   [RFC5415], which reflects the number of PHY radios on the WTP.  In
   this way, the creation of a WTP profile triggers the AC to
   automatically create the same number of WTP Virtual Radio Interfaces
   corresponding to the WTP's PHY radios without manual intervention.
   With the ifIndexes of WTP Virtual Radio Interfaces, the operator
   could configure and manage the WTP's PHY radios through the wireless
   binding MIB modules.
2) Change the description for capwapBaseWtpProfileWtpMacAddr
    DESCRIPTION
        "Represents the Base MAC address of a WTP.
         A WTP profile MUST contain the Base MAC address of the WTP
         because the CAPWAP message received from the WTP contains
         its Base MAC address and the AC uses the Base MAC address to
         find the corresponding WTP profile.
         In the section 4.6.40 [RFC5415], it omits be included in the
         WTP Board Data messag. It is a known errata item and assumed
         to be fixed in future by the editors of the RFC5415."
3) update the related text for WTP id
History
Date User Action Args
2009-08-12 02:32:08richardsetstatus: done-cbb -> chatting
messages: + msg143
2009-08-11 11:40:36richardcreate