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This topic contains the message specification for the Logon (tag 35-MsgType=A) message sent by CME Globex in response to Logon (tag 35-MsgType=A) message received from client system.

Tag

Name

Enumeration

Req

Description

iLink 2 Standard Header - CME Globex to Client System






35MsgTypeString(2)A=LogonYHeader tag identifying message type.

108

HeartBtlnt

Int(3)

30 - 60 inclusive

Y

Heartbeat interval in seconds. CME Globex will echo back the heartbeat interval submitted in the customer logon message.

141

ResetSeqNumFlag

Boolean(1)

Y=Yes, reset sequence numbers N=No

C

CME Globex echoes back the ResetSeqNumFlag indicator from the customer logon message.

1603ApplicationSystemNameString(30)Echoes the value sent from the client system.Y*

Identifies system generating the message.
Note: this tag is returned if in the header for the iLink 2 Logon from CME Globex to Client System message only.

1604TradingSystemVersionString(10)Echoes the value sent from the client system.Y*

Identifies system generating the message.
Note: this tag is returned if in the header for the iLink 2 Logon from CME Globex to Client System message only.

1605ApplicationSystemVendorString(10)Echoes the value sent from the client system.Y*

Identifies system generating the message.
Note: this tag is returned if in the header for the iLink 2 Logon from CME Globex to Client System message only.

9553SplitMsgInt(1)

0 – Split message 

1 – Out-of-order message 

2 – Complete message 

N

Indicates whether a message was subject to additional processing as a result of being:

  • split among multiple packets (0)
  • out-of-order (1)
  • a previously submitted split message (2)

If absent, then the message was not subject to additional processing.

iLink 2 Standard Message Trailer





End of message.

Y: Required by FIX protocol, Y*: Required by CME Globex (not by FIX protocol), N: Not Required, C: Conditionally