3-bit priority field in the 802.1P or 802.1Q frame

Hi,
How does the switch differentiation based on the 3-bit priority field in the 802.1P or 802.1Q frame?
Regards
M

Hi,
Basically 802.1q specifies the VLAN tag and 802.1p describes the specific 3 bit priority field
inside that 4 octet tag.
Some useful info:
http://www.javvin.com/protocolVLAN.html
" VID : VLAN ID is the identification of the VLAN, which is basically used by the standard 802.1Q. It has 12 bits and allow the identification of 4096 (2^12) VLANs. Of the 4096 possible VIDs, a VID of 0 is used to identify priority frames .. "
Priority frames means 802.1p frames.
Regards.

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Nick,
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Very Urgent treat this has high priority!
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Thanks for the suggestion.
To test:
1. I created an information field called 'docURL'.
2. Added a rule called 'docDisplayURL'.
3. Selected global rule with Priority 1 and use rule activation condition.
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Message was edited by:
snarasim
Message was edited by:
snarasim
Message was edited by:
snarasim
Message was edited by:
snarasim

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How to control the number of fields in the Advanced mode in <af:query>?
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Unfortunately you still have a little bit more work to do... but not much.
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Hi,
I am working on an in terface for upload of data in journal ledger(FB50)
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a function module was created as suggested in note 487722 earlier but now we require to validate that field(transaction type) as i am using this BAPI in an interface for journal ledger posting FB50 for data validation of the file data.
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(( BAPI_ACC_DOCUMENT_CHECK)
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could anybody suggest if we need to do it in include ZXACCU15 .
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Hello Jy
The following coding shows how to evaluate the existence of the transaction type in table T856 and how to create the corresponding BAPI message (using function module <b>BALW_BAPIRETURN_GET2</b>):
*& Report ZUS_SDN_BAPIRETURN_GET2
REPORT zus_sdn_bapireturn_get2.
START-OF-SELECTION.
" Call BTE function within BAPI (actually OPEN_FI_PERFORM_RWBAPI01_P
" calls the z-function module)
** CALL FUNCTION 'Z_FI_INTERFACE_RWBAPI01'
**    TABLES
**      c_accit           =
**      c_acccr           =
**      c_return          =
**      c_extension       =
**      c_accwt           =
**    changing
**      c_acchd           =
" Coding within your BTE function module:
DATA:
    ls_return    TYPE bapiret2.
* transaction type
READ TABLE it_accit INTO ls_accit
       WITH KEY posnr = ld_posnr.
CHECK ( sy-subrc EQ 0 ).
ld_tabix = sy-tabix.
ls_accit-posnr = ld_posnr.
ls_accit-rmvct = ls_bapi_extension-field3.
MODIFY it_accit FROM ls_accit INDEX ld_tabix.
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if ( syst-subrc ne 0 ).
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    "         use is to ensure that the Where-Used-List for message 014(GC)
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    if 1 = 2. MESSAGE e014(gc) WITH ls_accit-rmvct. endif.
*   Transaction type & is not defined
    clear: ls_return.
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      EXPORTING
        type             = 'E'
        cl               = 'GC'
        number           = '814'
        PAR1             = ls_return-message_v1
*       PAR2             = ' '
*       PAR3             = ' '
*       PAR4             = ' '
*       LOG_NO           = ' '
*       LOG_MSG_NO       = ' '
*       PARAMETER        = ' '
*       ROW              = 0      " ld_tabix
*       FIELD            = ' '    " RMVCT
      IMPORTING
        RETURN           = ls_return.
    APPEND ls_return TO c_return.
ENDIF.
END-OF-SELECTION.
The advantage of using the function module over directly filling the BAPIRET2 message variable is that the function module generated the message text (field BAPIRET2-message = 'Transaction type '<type>' is not defined').
Regards
Uwe

3-bit priority field in the 802.1P or 802.1Q frame

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