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9.3
FC common transport
FC common transport (CT) provides a transport for service applications such as the fabric name server. The
type of FC common transport service is identified by the command code in the third word of the payload. The
R_CTL field of the frame header identifies whether the common transport service is a request or a response to
a request. The response for a common transport service varies with the function. A description of the accept
for each request is included with the description of the request.
Table 54:
Common transport header
Bit
7
Byte
0
0
1
(MSB)
2
3
4
0
5
(MSB)
6
7
8
0
9
(MSB)
10
11
SEQ_ID
12
13
0
14
(MSB)
15
16
(MSB)
17
18
1
19
1
20
(MSB)
21
22
23
Fibre Channel Interface Manual, Rev. D
6
5
0
0
0
0
0
1
0
0
1
1
1
1
4
3
0
0
R_CTL
D_ID
0
0
Reserved
S_ID
0
0
Type
F_CTL
0
0
DF_CTL
SEQ_CNT
OX_ID
1
1
1
1
RX_ID
Parameter
2
1
0
1
(LSB)
0
0
(LSB)
0
0
(LSB)
0
0
(LSB)
(LSB)
1
1
1
1
(LSB)
0
0
0
0
0
1
1
97
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